cheat sheets.

$ command line ruby cheat sheets
" searching
/joe/e                      : cursor set to End of match
3/joe/e+1                   : find 3rd joe cursor set to End of match plus 1 
/joe/s-2                    : cursor set to Start of match minus 2
/joe/+3                     : find joe move cursor 3 lines down
/^joe.*fred.*bill/          : find joe AND fred AND Bill (Joe at start of line)
/^[A-J]/                    : search for lines beginning with one or more A-J
/begin\_.*end               : search over possible multiple lines
/fred\_s*joe/               : any whitespace including newline 
/fred\|joe                  : Search for FRED OR JOE
/.*fred\&.*joe              : Search for FRED AND JOE in any ORDER!
/\<fred\>/                  : search for fred but not alfred or frederick 
/\<\d\d\d\d\>               : Search for exactly 4 digit numbers
/\D\d\d\d\d\D               : Search for exactly 4 digit numbers
/\<\d\{4}\>                 : same thing
/\([^0-9]\|^\)%.*%          : Search for absence of a digit or beginning of line

" finding empty lines
/^\n\{3}                    : find 3 empty lines
/^str.*\nstr                : find 2 successive lines starting with str
/\(^str.*\n\)\{2}           : find 2 successive lines starting with str

" using rexexp memory in a search
/\(fred\).*\(joe\).*\2.*\1

" Repeating the Regexp (rather than what the Regexp finds)
/^\([^,]*,\)\{8}

" visual searching
:vmap // y/<C-R>"<CR>       : search for visually highlighted text
:vmap <silent> //    y/<C-R>=escape(@", '\\/.*$^~[]')<CR><CR> : with spec chars

" \zs and \ze regex delimiters :h /\zs
/<\zs[^>]*\ze>              : search for tag contents, ignoring chevrons

" zero-width :h /\@=
/<\@<=[^>]*>\@=             : search for tag contents, ignoring chevrons
/<\@<=\_[^>]*>\@=           : search for tags across possible multiple lines

" searching over multiple lines \_ means including newline
/<!--\_p\{-}-->                   : search for multiple line comments
/fred\_s*joe/                     : any whitespace including newline 
/bugs\(\_.\)*bunny                : bugs followed by bunny anywhere in file
:h \_                             : help

" search for declaration of subroutine/function under cursor
:nmap gx yiw/^\(sub\<bar>function\)\s\+<C-R>"<CR>

" multiple file search
:bufdo /searchstr/                : use :rewind to recommence search

" multiple file search better but cheating
:bufdo %s/searchstr/&/gic   : say n and then a to stop

" How to search for a URL without backslashing
?http://www.vim.org/        : (first) search BACKWARDS!!! clever huh!

" Specify what you are NOT searching for (vowels)
/\c\v([^aeiou]&\a){4}       : search for 4 consecutive consonants
/\%>20l\%<30lgoat           : Search for goat between lines 20 and 30 
/^.\{-}home.\{-}\zshome/e   : match only the 2nd occurence in a line of "home" 
:%s/home.\{-}\zshome/alone  : Substitute only the occurrence of home in any line 

" find str but not on lines containing tongue
^\(.*tongue.*\)\@!.*nose.*$
\v^((tongue)@!.)*nose((tongue)@!.)*$
.*nose.*\&^\%(\%(tongue\)\@!.\)*$ 
:v/tongue/s/nose/&/gic

"----------------------------------------

"substitution
:%s/fred/joe/igc            : general substitute command
:%s//joe/igc                : Substitute what you last searched for 
:%s/~/sue/igc               : Substitute your last replacement string 
:%s/\r//g                   : Delete DOS returns ^M

" Is your Text File jumbled onto one line? use following
:%s/\r/\r/g                 : Turn DOS returns ^M into real returns
:%s=  *$==                  : delete end of line blanks
:%s= \+$==                  : Same thing
:%s#\s*\r\?$##              : Clean both trailing spaces AND DOS returns
:%s#\s*\r*$##               : same thing

" deleting empty lines
:%s/^\n\{3}//               : delete blocks of 3 empty lines
:%s/^\n\+/\r/               : compressing empty lines
:%s#<[^>]\+>##g             : delete html tags, leave text (non-greedy)
:%s#<\_.\{-1,}>##g          : delete html tags possibly multi-line (non-greedy)
:%s#.*\(\d\+hours\).*#\1#   : Delete all but memorised string (\1) 
%s#><\([^/]\)#>\r<\1#g      : split jumbled up XML file into one tag per line 

" VIM Power Substitute
:'a,'bg/fred/s/dick/joe/igc : VERY USEFUL

" duplicating columns
:%s= [^ ]\+$=&&=            : duplicate end column
:%s= \f\+$=&&=              : same thing
:%s= \S\+$=&&               : usually the same

" memory
%s#.*\(tbl_\w\+\).*#\1#     : produce a list of all strings tbl_*   
:s/\(.*\):\(.*\)/\2 : \1/   : reverse fields separated by :
:%s/^\(.*\)\n\1$/\1/        : delete duplicate lines

" non-greedy matching \{-}
:%s/^.\{-}pdf/new.pdf/      : delete to 1st occurence of pdf only (non-greedy)

" use of optional atom \?
:%s#\<[zy]\?tbl_[a-z_]\+\>#\L&#gc : lowercase with optional leading characters

" over possibly many lines
:%s/<!--\_.\{-}-->//        : delete possibly multi-line comments
:help /\{-}                 : help non-greedy

" substitute using a register
:s/fred/<c-r>a/g            : sub "fred" with contents of register "a"
:s/fred/<c-r>asome_text<c-r>s/g  
:s/fred/\=@a/g              : better alternative as register not displayed

" multiple commands on one line
:%s/\f\+\.gif\>/\r&\r/g | v/\.gif$/d | %s/gif/jpg/
:%s/a/but/gie|:update|:next : then use @: to repeat

" ORing
:%s/goat\|cow/sheep/gc      : ORing (must break pipe)
:'a,'bs#\[\|\]##g           : remove [] from lines between markers a and b 
:%s/\v(.*\n){5}/&\r         : insert a blank line every 5 lines 

" Calling a VIM function
:s/__date__/\=strftime("%c")/ : insert datestring

" Working with Columns sub any str1 in col3
:%s:\(\(\w\+\s\+\)\{2}\)str1:\1str2:

" Swapping first & last column (4 columns)
:%s:\(\w\+\)\(.*\s\+\)\(\w\+\)$:\3\2\1:

" format a mysql query 
:%s#\<from\>\|\<where\>\|\<left join\>\|\<\inner join\>#\r&#g

" filter all form elements into paste register
:redir @*|sil exec 'g#<\(input\|select\|textarea\|/\=form\)\>#p'|redir END
:nmap ,z :redir @*<Bar>sil exec 'g@<\(input\<Bar>select\<Bar>textarea\<Bar>/\=form\)\>@p'<Bar>redir END<CR>

" substitute string in column 30 
:%s/^\(.\{30\}\)xx/\1yy/

" decrement numbers by 3
:%s/\d\+/\=(submatch(0)-3)/

" increment numbers by 6 on certain lines only
:g/loc\|function/s/\d/\=submatch(0)+6/

" better
:%s#txtdev\zs\d#\=submatch(0)+1#g
:h /\zs

" increment only numbers gg\d\d  by 6 (another way)
:%s/\(gg\)\@<=\d\+/\=submatch(0)+6/
:h zero-width

" rename a string with an incrementing number
:let i=10 | 'a,'bg/Abc/s/yy/\=i/ |let i=i+1 # convert yy to 10,11,12 etc

" as above but more precise
:let i=10 | 'a,'bg/Abc/s/xx\zsyy\ze/\=i/ |let i=i+1 # convert xxyy to xx11,xx12,xx13

" find replacement text, put in memory, then use \zs to simplify substitute
:%s/"\([^.]\+\).*\zsxx/\1/

" Pull word under cursor into LHS of a substitute
:nmap <leader>z :%s#\<<c-r>=expand("<cword>")<cr>\>#

" Pull Visually Highlighted text into LHS of a substitute
:vmap <leader>z :<C-U>%s/\<<c-r>*\>/

" substitute singular or plural
:'a,'bs/bucket\(s\)*/bowl\1/gic   
----------------------------------------

" all following performing similar task, substitute within substitution

" Multiple single character substitution in a portion of line only
:%s,\(all/.*\)\@<=/,_,g     : replace all / with _ AFTER "all/"

" Same thing
:s#all/\zs.*#\=substitute(submatch(0), '/', '_', 'g')#

" Substitute by splitting line, then re-joining
:s#all/#&^M#|s#/#_#g|-j!

" Substitute inside substitute
:%s/.*/\='cp '.submatch(0).' all/'.substitute(submatch(0),'/','_','g')/
----------------------------------------

" global command display 
:g/gladiolli/#              : display with line numbers (YOU WANT THIS!)
:g/fred.*joe.*dick/         : display all lines fred,joe & dick
:g/\<fred\>/                : display all lines fred but not freddy
:g/^\s*$/d                  : delete all blank lines
:g!/^dd/d                   : delete lines not containing string
:v/^dd/d                    : delete lines not containing string
:g/joe/,/fred/d             : not line based (very powerfull)
:g/fred/,/joe/j             : Join Lines 
:g/-------/.-10,.d          : Delete string & 10 previous lines
:g/{/ ,/}/- s/\n\+/\r/g     : Delete empty lines but only between {...}
:v/\S/d                     : Delete empty lines (and blank lines ie whitespace)
:v/./,/./-j                 : compress empty lines
:g/^$/,/./-j                : compress empty lines
:g/<input\|<form/p          : ORing
:g/^/put_                   : double space file (pu = put)
:g/^/m0                     : Reverse file (m = move)
:g/^/m$                     : No effect! 
:'a,'bg/^/m'b               : Reverse a section a to b
:g/^/t.                     : duplicate every line
:g/fred/t$                  : copy(transfer) lines matching fred to EOF
:g/stage/t'a                : copy (transfer) lines matching stage to marker a (cannot use .) 
:g/^Chapter/t.|s/./-/g      : Automatically underline selecting headings 
:g/\(^I[^^I]*\)\{80}/d      : delete all lines containing at least 80 tabs

" perform a substitute on every other line
:g/^/ if line('.')%2|s/^/zz / 

" match all lines containing "somestr" between markers a & b

" copy after line containing "otherstr"
:'a,'bg/somestr/co/otherstr/ : co(py) or mo(ve)

" as above but also do a substitution
:'a,'bg/str1/s/str1/&&&/|mo/str2/
:%norm jdd                  : delete every other line

" incrementing numbers (type <c-a> as 5 characters)
:.,$g/^\d/exe "norm! \<c-a>": increment numbers
:'a,'bg/\d\+/norm! ^A       : increment numbers

" storing glob results (note must use APPEND) you need to empty reg a first with qaq. 

"save results to a register/paste buffer
:g/fred/y A                 : append all lines fred to register a
:g/fred/y A | :let @*=@a    : put into paste buffer
:let @a=''|g/Barratt/y A |:let @*=@a

" filter lines to a file (file must already exist)
:'a,'bg/^Error/ . w >> errors.txt

" duplicate every line in a file wrap a print '' around each duplicate
:g/./yank|put|-1s/'/"/g|s/.*/Print '&'/

" replace string with contents of a file, -d deletes the "mark"
:g/^MARK$/r tmp.txt | -d

" display prettily
:g/<pattern>/z#.5           : display with context
:g/<pattern>/z#.5|echo "=========="  : display beautifully

" Combining g// with normal mode commands
:g/|/norm 2f|r*                      : replace 2nd | with a star

"send output of previous global command to a new window
:nmap <F3>  :redir @a<CR>:g//<CR>:redir END<CR>:new<CR>:put! a<CR><CR>

"----------------------------------------

" Global combined with substitute (power editing)
:'a,'bg/fred/s/joe/susan/gic :  can use memory to extend matching
:/fred/,/joe/s/fred/joe/gic :  non-line based (ultra)
:/biz/,/any/g/article/s/wheel/bucket/gic:  non-line based 
----------------------------------------

" Find fred before beginning search for joe
:/fred/;/joe/-2,/sid/+3s/sally/alley/gIC

"----------------------------------------

" create a new file for each line of file eg 1.txt,2.txt,3,txt etc
:g/^/exe ".w ".line(".").".txt"

"----------------------------------------

" chain an external command
:.g/^/ exe ".!sed 's/N/X/'" | s/I/Q/    

"----------------------------------------

" Operate until string found 
d/fred/                                :delete until fred
y/fred/                                :yank until fred
c/fred/e                               :change until fred end

"----------------------------------------

" Summary of editing repeats 
.      last edit (magic dot)
:&     last substitute
:%&    last substitute every line
:%&gic last substitute every line confirm
g%     normal mode repeat last substitute
g&     last substitute on all lines
@@     last recording
@:     last command-mode command
:!!    last :! command
:~     last substitute
:help repeating
----------------------------------------

" Summary of repeated searches
;      last f, t, F or T
,      last f, t, F or T in opposite direction
n      last / or ? search
N      last / or ? search in opposite direction
----------------------------------------

" Absolutely essential
----------------------------------------
* # g* g#           : find word under cursor (<cword>) (forwards/backwards)
%                   : match brackets {}[]()
.                   : repeat last modification 
@:                  : repeat last : command (then @@)
matchit.vim         : % now matches tags <tr><td><script> <?php etc
<C-N><C-P>          : word completion in insert mode
<C-X><C-L>          : Line complete SUPER USEFUL
/<C-R><C-W>         : Pull <cword> onto search/command line
/<C-R><C-A>         : Pull <CWORD> onto search/command line
:set ignorecase     : you nearly always want this
:set smartcase      : overrides ignorecase if uppercase used in search string (cool)
:syntax on          : colour syntax in Perl,HTML,PHP etc
:set syntax=perl    : force syntax (usually taken from file extension)
:h regexp<C-D>      : type control-D and get a list all help topics containing
                      regexp (plus use TAB to Step thru list)
----------------------------------------

" MAKE IT EASY TO UPDATE/RELOAD _vimrc
:nmap ,s :source $VIM/_vimrc
:nmap ,v :e $VIM/_vimrc
:e $MYVIMRC         : edits your _vimrc whereever it might be  

" How to have a variant in your .vimrc for different PCs 
if $COMPUTERNAME == "NEWPC"
ab mypc vista
else
ab mypc dell25
endif
----------------------------------------

" splitting windows
:vsplit other.php       # vertically split current file with other.php 
----------------------------------------

"VISUAL MODE (easy to add other HTML Tags)
:vmap sb "zdi<b><C-R>z</b><ESC>  : wrap <b></b> around VISUALLY selected Text
:vmap st "zdi<?= <C-R>z ?><ESC>  : wrap <?=   ?> around VISUALLY selected Text
----------------------------------------

"vim 7 tabs
vim -p fred.php joe.php             : open files in tabs
:tabe fred.php                      : open fred.php in a new tab
:tab ball                           : tab open files

" vim 7 forcing use of tabs from .vimrc
:nnoremap gf <C-W>gf
:cab      e  tabe
:tab sball                           : retab all files in buffer (repair) 
----------------------------------------

" Exploring
:e .                            : file explorer
:Exp(lore)                      : file explorer note capital Ex
:Sex(plore)                     : file explorer in split window
:browse e                       : windows style browser
:ls                             : list of buffers
:cd ..                          : move to parent directory
:args                           : list of files
:args *.php                     : open list of files (you need this!)
:lcd %:p:h                      : change to directory of current file
:autocmd BufEnter * lcd %:p:h   : change to directory of current file automatically (put in _vimrc)
----------------------------------------

" Changing Case
guu                             : lowercase line
gUU                             : uppercase line
Vu                              : lowercase line
VU                              : uppercase line
g~~                             : flip case line
vEU                             : Upper Case Word
vE~                             : Flip Case Word
ggguG                           : lowercase entire file

" Titlise Visually Selected Text (map for .vimrc)
vmap ,c :s/\<\(.\)\(\k*\)\>/\u\1\L\2/g<CR>

" titlise a line
nmap ,t :s/.*/\L&/<bar>:s/\<./\u&/g<cr>  

" Uppercase first letter of sentences
:%s/[.!?]\_s\+\a/\U&\E/g
----------------------------------------
gf                              : open file name under cursor (SUPER)
:nnoremap gF :view <cfile><cr>  : open file under cursor, create if necessary
ga                              : display hex,ascii value of char under cursor
ggVGg?                          : rot13 whole file
ggg?G                           : rot13 whole file (quicker for large file)
:8 | normal VGg?                : rot13 from line 8
:normal 10GVGg?                 : rot13 from line 8
<C-A>,<C-X>                     : increment,decrement number under cursor
                                  win32 users must remap CNTRL-A
<C-R>=5*5                       : insert 25 into text (mini-calculator)
----------------------------------------

" Make all other tips superfluous
:h 42            : also http://www.google.com/search?q=42
:h holy-grail
:h!
----------------------------------------

" disguise text (watch out) 
ggVGg?                          : rot13 whole file (toggles)
:set rl!                        : reverse lines right to left (toggles)
:g/^/m0                         : reverse lines top to bottom (toggles)
----------------------------------------

" Markers & moving about
'.               : jump to last modification line (SUPER)
`.               : jump to exact spot in last modification line
g;               : cycle thru recent changes (oldest first)
g,               : reverse direction 
:changes
:h changelist    : help for above
<C-O>            : retrace your movements in file (starting from most recent)
<C-I>            : retrace your movements in file (reverse direction)
:ju(mps)         : list of your movements
:help jump-motions
:history         : list of all your commands
:his c           : commandline history
:his s           : search history
q/               : Search history Window (puts you in full edit mode) (exit CTRL-C)
q:               : commandline history Window (puts you in full edit mode) (exit CTRL-C)
:<C-F>           : history Window (exit CTRL-C)
----------------------------------------

" Abbreviations & Maps

" Following 4 maps enable text transfer between VIM sessions
:map   <f7>   :'a,'bw! c:/aaa/x       : save text to file x
:map   <f8>   :r c:/aaa/x             : retrieve text 
:map   <f11>  :.w! c:/aaa/xr<CR>      : store current line
:map   <f12>  :r c:/aaa/xr<CR>        : retrieve current line
:ab php          : list of abbreviations beginning php
:map ,           : list of maps beginning ,

" allow use of F10 for mapping (win32)
set wak=no       : :h winaltkeys

" For use in Maps
<CR>             : carriage Return for maps
<ESC>            : Escape
<LEADER>         : normally \
<BAR>            : | pipe
<BACKSPACE>      : backspace
<SILENT>         : No hanging shell window
#display RGB colour under the cursor eg #445588
:nmap <leader>c :hi Normal guibg=#<c-r>=expand("<cword>")<cr><cr>
map <f2> /price only\\|versus/ :in a map need to backslash the \
# type table,,, to get <table></table>       ### Cool ###
imap ,,, <esc>bdwa<<esc>pa><cr></<esc>pa><esc>kA
----------------------------------------

" Simple PHP debugging display all variables yanked into register a
iab phpdb exit("<hr>Debug <C-R>a  ");
----------------------------------------

" Using a register as a map (preload registers in .vimrc)
:let @m=":'a,'bs/"
:let @s=":%!sort -u"
----------------------------------------

" Useful tricks

"ayy@a           : execute "Vim command" in a text file
yy@"             : same thing using unnamed register
u@.              : execute command JUST typed in

"ddw             : store what you delete in register d 

"ccaw            : store what you change in register c 
----------------------------------------

" Get output from other commands (requires external programs)
:r!ls -R         : reads in output of ls
:put=glob('**')  : same as above                 
:r !grep "^ebay" file.txt  : grepping in content   
:20,25 !rot13    : rot13 lines 20 to 25   
!!date           : same thing (but replaces/filters current line)

" Sorting with external sort
:%!sort -u       : use an external program to filter content
:'a,'b!sort -u   : use an external program to filter content
!1} sort -u      : sorts paragraph (note normal mode!!)
:g/^$/;,/^$/-1!sort : Sort each block (note the crucial ;)

" Sorting with internal sort
:sort /.*\%2v/   : sort all lines on second column 

" number lines 
:new | r!nl #                  
----------------------------------------

" Multiple Files Management (Essential)
:bn              : goto next buffer
:bp              : goto previous buffer
:wn              : save file and move to next (super)
:wp              : save file and move to previous
:bd              : remove file from buffer list (super)
:bun             : Buffer unload (remove window but not from list)
:badd file.c     : file from buffer list
:b3              : go to buffer 3 
:b main          : go to buffer with main in name eg main.c (ultra)
:sav php.html    : Save current file as php.html and "move" to php.html
:sav! %<.bak     : Save Current file to alternative extension (old way)
:sav! %:r.cfm    : Save Current file to alternative extension
:sav %:s/fred/joe/           : do a substitute on file name
:sav %:s/fred/joe/:r.bak2    : do a substitute on file name & ext.
:!mv % %:r.bak   : rename current file (DOS use Rename or DEL)
:help filename-modifiers
:e!              : return to unmodified file
:w c:/aaa/%      : save file elsewhere
:e #             : edit alternative file (also cntrl-^)
:rew             : return to beginning of edited files list (:args)
:brew            : buffer rewind
:sp fred.txt     : open fred.txt into a split
:sball,:sb       : Split all buffers (super)
:scrollbind      : in each split window
:map   <F5> :ls<CR>:e # : Pressing F5 lists all buffer, just type number
:set hidden      : Allows to change buffer w/o saving current buffer
----------------------------------------

" Quick jumping between splits
map <C-J> <C-W>j<C-W>_
map <C-K> <C-W>k<C-W>_
----------------------------------------

" Recording (BEST TIP of ALL)
qq  # record to q
your complex series of commands
q   # end recording
@q to execute
@@ to Repeat
5@@ to Repeat 5 times
qQ@qq                             : Make an existing recording q recursive 

" editing a register/recording

"qp                               :display contents of register q (normal mode)
<ctrl-R>q                         :display contents of register q (insert mode)

" you can now see recording contents, edit as required

"qdd                              :put changed contacts back into q
@q                                :execute recording/register q

" Operating a Recording on a Visual BLOCK
1) define recording/register
qq:s/ to/ from/g^Mq
2) Define Visual BLOCK
V}
3) hit : and the following appears
:'<,'>
4)Complete as follows
:'<,'>norm @q
----------------------------------------

"combining a recording with a map (to end up in command mode)
:nnoremap ] @q:update<bar>bd
----------------------------------------

" Visual is the newest and usually the most intuitive editing mode

" Visual basics
v                               : enter visual mode
V                               : visual mode whole line
<C-V>                           : enter VISUAL BLOCK mode
gv                              : reselect last visual area (ultra)
o                               : navigate visual area

"*y or "+y                      : yank visual area into paste buffer  
V%                              : visualise what you match
V}J                             : Join Visual block (great)
V}gJ                            : Join Visual block w/o adding spaces
`[v`]                           : Highlight last insert
:%s/\%Vold/new/g                : Do a substitute on last visual area 
----------------------------------------

" Delete first 2 characters of 10 successive lines
0<c-v>10j2ld  (use Control Q on win32) 
----------------------------------------

" how to copy a set of columns using VISUAL BLOCK

" visual block (AKA columnwise selection) (NOT BY ordinary v command)
<C-V> then select "column(s)" with motion commands (win32 <C-Q>)
then c,d,y,r etc
----------------------------------------

" how to overwrite a visual-block of text with another such block 

" move with hjkl etc
Pick the first block: ctrl-v move y
Pick the second block: ctrl-v move P <esc>
----------------------------------------

" text objects :h text-objects                                     
daW                                   : delete contiguous non whitespace
di<   yi<  ci<                        : Delete/Yank/Change HTML tag contents
da<   ya<  ca<                        : Delete/Yank/Change whole HTML tag
dat   dit                             : Delete HTML tag pair
diB   daB                             : Empty a function {}
das                                   : delete a sentence
----------------------------------------

" _vimrc essentials
:set incsearch : jumps to search word as you type (annoying but excellent)
:set wildignore=*.o,*.obj,*.bak,*.exe : tab complete now ignores these
:set shiftwidth=3                     : for shift/tabbing
:set vb t_vb=".                       : set silent (no beep)
:set browsedir=buffer                 : Maki GUI File Open use current directory
----------------------------------------

" launching Win IE
:nmap ,f :update<CR>:silent !start c:\progra~1\intern~1\iexplore.exe file://%:p<CR>
:nmap ,i :update<CR>: !start c:\progra~1\intern~1\iexplore.exe <cWORD><CR>
----------------------------------------

" FTPing from VIM
cmap ,r  :Nread ftp://209.51.134.122/public_html/index.html
cmap ,w  :Nwrite ftp://209.51.134.122/public_html/index.html
gvim ftp://www.somedomain.com/index.html # uses netrw.vim
----------------------------------------

" appending to registers (use CAPITAL)

" yank 5 lines into "a" then add a further 5

"a5yy
10j

"A5yy
----------------------------------------
[I     : show lines matching word under cursor <cword> (super)
----------------------------------------

" Conventional Shifting/Indenting
:'a,'b>>

" visual shifting (builtin-repeat)
:vnoremap < <gv
:vnoremap > >gv

" Block shifting (magic)
>i{
>a{

" also
>% and <%
----------------------------------------

" Redirection & Paste register *
:redir @*                    : redirect commands to paste buffer
:redir END                   : end redirect
:redir >> out.txt            : redirect to a file

" Working with Paste buffer

"*yy                         : yank curent line to paste

"*p                          : insert from paste buffer

" yank to paste buffer (ex mode)
:'a,'by*                     : Yank range into paste
:%y*                         : Yank whole buffer into paste
:.y*                         : Yank Current line to paster

" filter non-printable characters from the paste buffer

" useful when pasting from some gui application
:nmap <leader>p :let @* = substitute(@*,'[^[:print:]]','','g')<cr>"*p
----------------------------------------

" Re-Formatting text
gq}                          : Format a paragraph
gqap                         : Format a paragraph
ggVGgq                       : Reformat entire file
Vgq                          : current line

" break lines at 70 chars, if possible after a ;
:s/.\{,69\};\s*\|.\{,69\}\s\+/&\r/g
----------------------------------------

" Operate command over multiple files
:argdo %s/foo/bar/e          : operate on all files in :args
:bufdo %s/foo/bar/e
:windo %s/foo/bar/e
:argdo exe '%!sort'|w!       : include an external command
:bufdo exe "normal @q" | w   : perform a recording on open files
:silent bufdo !zip proj.zip %:p   : zip all current files
----------------------------------------

" Command line tricks
gvim -h                    : help
ls | gvim -                : edit a stream!!
cat xx | gvim - -c "v/^\d\d\|^[3-9]/d " : filter a stream
gvim -o file1 file2        : open into a split

" execute one command after opening file
gvim.exe -c "/main" joe.c  : Open joe.c & jump to "main"

" execute multiple command on a single file
vim -c "%s/ABC/DEF/ge | update" file1.c

" execute multiple command on a group of files
vim -c "argdo %s/ABC/DEF/ge | update" *.c

" remove blocks of text from a series of files
vim -c "argdo /begin/+1,/end/-1g/^/d | update" *.c

" Automate editing of a file (Ex commands in convert.vim)
vim -s "convert.vim" file.c
#load VIM without .vimrc and plugins (clean VIM)
gvim -u NONE -U NONE -N

" Access paste buffer contents (put in a script/batch file)
gvim -c 'normal ggdG"*p' c:/aaa/xp

" print paste contents to default printer
gvim -c 's/^/\=@*/|hardcopy!|q!'

" gvim's use of external grep (win32 or *nix)
:!grep somestring *.php     : creates a list of all matching files 

" use :cn(ext) :cp(rev) to navigate list
:h grep

" Using vimgrep with copen                              
:vimgrep /keywords/ *.php
:copen
----------------------------------------

" GVIM Difference Function (Brilliant)
gvim -d file1 file2        : vimdiff (compare differences)
dp                         : "put" difference under cursor to other file
do                         : "get" difference under cursor from other file

" complex diff parts of same file 
:1,2yank a | 7,8yank b
:tabedit | put a | vnew | put b
:windo diffthis 
----------------------------------------

" Vim traps
In regular expressions you must backslash + (match 1 or more)
In regular expressions you must backslash | (or)
In regular expressions you must backslash ( (group)
In regular expressions you must backslash { (count)
/fred\+/                   : matches fred/freddy but not free
/\(fred\)\{2,3}/           : note what you have to break
----------------------------------------

" \v or very magic (usually) reduces backslashing
/codes\(\n\|\s\)*where  : normal regexp
/\vcodes(\n|\s)*where   : very magic
----------------------------------------

" pulling objects onto command/search line (SUPER)
<C-R><C-W> : pull word under the cursor into a command line or search
<C-R><C-A> : pull WORD under the cursor into a command line or search
<C-R>-                  : pull small register (also insert mode)
<C-R>[0-9a-z]           : pull named registers (also insert mode)
<C-R>%                  : pull file name (also #) (also insert mode)
<C-R>=somevar           : pull contents of a variable (eg :let sray="ray[0-9]")
----------------------------------------

" List your Registers
:reg             : display contents of all registers
:reg a           : display content of register a
:reg 12a         : display content of registers 1,2 & a 

"5p              : retrieve 5th "ring" 

"1p....          : retrieve numeric registers one by one
:let @y='yy@"'   : pre-loading registers (put in .vimrc)
qqq              : empty register "q"
qaq              : empty register "a"
:reg .-/%:*"     : the seven special registers 
:reg 0           : what you last yanked, not affected by a delete 

"_dd             : Delete to blackhole register "_ , don't affect any register 
----------------------------------------

" manipulating registers
:let @a=@_              : clear register a
:let @a=""              : clear register a
:let @a=@"              : Save unnamed register 
:let @*=@a              : copy register a to paste buffer
:let @*=@:              : copy last command to paste buffer
:let @*=@/              : copy last search to paste buffer
:let @*=@%              : copy current filename to paste buffer
----------------------------------------

" help for help (USE TAB)
:h quickref             : VIM Quick Reference Sheet (ultra)
:h tips                 : Vim's own Tips Help
:h visual<C-D><tab>     : obtain  list of all visual help topics
                        : Then use tab to step thru them
:h ctrl<C-D>            : list help of all control keys
:helpg uganda           : grep HELP Files use :cn, :cp to find next
:helpgrep edit.*director: grep help using regexp
:h :r                   : help for :ex command
:h CTRL-R               : normal mode
:h /\r                  : what's \r in a regexp (matches a <CR>)
:h \\zs                 : double up backslash to find \zs in help
:h i_CTRL-R             : help for say <C-R> in insert mode
:h c_CTRL-R             : help for say <C-R> in command mode
:h v_CTRL-V             : visual mode
:h tutor                : VIM Tutor
<C-[>, <C-T>            : Move back & Forth in HELP History
gvim -h                 : VIM Command Line Help
:cabbrev h tab h        : open help in a tab 
----------------------------------------

" where was an option set
:scriptnames            : list all plugins, _vimrcs loaded (super)
:verbose set history?   : reveals value of history and where set
:function               : list functions
:func SearchCompl       : List particular function
----------------------------------------

" making your own VIM help
:helptags /vim/vim64/doc  : rebuild all *.txt help files in /doc
:help add-local-help
----------------------------------------

" running file thru an external program (eg php)
map   <f9>   :w<CR>:!c:/php/php.exe %<CR>
map   <f2>   :w<CR>:!perl -c %<CR>
----------------------------------------

" capturing output of current script in a separate buffer
:new | r!perl #                   : opens new buffer,read other buffer
:new! x.out | r!perl #            : same with named file
:new+read!ls
----------------------------------------

" create a new buffer, paste a register "q" into it, then sort new buffer
:new +put q|%!sort
----------------------------------------

" Inserting DOS Carriage Returns
:%s/$/\<C-V><C-M>&/g          :  that's what you type
:%s/$/\<C-Q><C-M>&/g          :  for Win32
:%s/$/\^M&/g                  :  what you'll see where ^M is ONE character
----------------------------------------

" automatically delete trailing Dos-returns,whitespace
autocmd BufRead * silent! %s/[\r \t]\+$//
autocmd BufEnter *.php :%s/[ \t\r]\+$//e
----------------------------------------

" perform an action on a particular file or file type
autocmd VimEnter c:/intranet/note011.txt normal! ggVGg?
autocmd FileType *.pl exec('set fileformats=unix')
----------------------------------------

" Retrieving last command line command for copy & pasting into text
i<c-r>:

" Retrieving last Search Command for copy & pasting into text
i<c-r>/
----------------------------------------

" more completions
<C-X><C-F>                        :insert name of a file in current directory
----------------------------------------

" Substituting a Visual area

" select visual area as usual (:h visual) then type :s/Emacs/Vim/ etc
:'<,'>s/Emacs/Vim/g               : REMEMBER you dont type the '<.'>
gv                                : Re-select the previous visual area (ULTRA)
----------------------------------------

" inserting line number into file
:g/^/exec "s/^/".strpart(line(".")."    ", 0, 4)
:%s/^/\=strpart(line(".")."     ", 0, 5)
:%s/^/\=line('.'). ' '
----------------------------------------
#numbering lines VIM way
:set number                       : show line numbers
:map <F12> :set number!<CR>       : Show linenumbers flip-flop
:%s/^/\=strpart(line('.')."        ",0,&ts)
#numbering lines (need Perl on PC) starting from arbitrary number
:'a,'b!perl -pne 'BEGIN{$a=223} substr($_,2,0)=$a++'
#Produce a list of numbers
#Type in number on line say 223 in an empty file
qqmnYP`n^Aq                       : in recording q repeat with @q

" increment existing numbers to end of file (type <c-a> as 5 characters)
:.,$g/^\d/exe "normal! \<c-a>"

" advanced incrementing
http://vim.sourceforge.net/tip_view.php?tip_id=150
----------------------------------------

" advanced incrementing (really useful)

" put following in _vimrc
let g:I=0
function! INC(increment)
let g:I =g:I + a:increment
return g:I
endfunction

" eg create list starting from 223 incrementing by 5 between markers a,b
:let I=223
:'a,'bs/^/\=INC(5)/

" create a map for INC
cab viminc :let I=223 \| 'a,'bs/$/\=INC(5)/
----------------------------------------

" generate a list of numbers  23-64
o23<ESC>qqYp<C-A>q40@q
----------------------------------------

" editing/moving within current insert (Really useful)
<C-U>                             : delete all entered
<C-W>                             : delete last word
<HOME><END>                       : beginning/end of line
<C-LEFTARROW><C-RIGHTARROW>       : jump one word backwards/forwards
<C-X><C-E>,<C-X><C-Y>             : scroll while staying put in insert
----------------------------------------
#encryption (use with care: DON'T FORGET your KEY)
:X                                : you will be prompted for a key
:h :X
----------------------------------------

" modeline (make a file readonly etc) must be in first/last 5 lines
// vim:noai:ts=2:sw=4:readonly:

" vim:ft=html:                    : says use HTML Syntax highlighting
:h modeline
----------------------------------------

" Creating your own GUI Toolbar entry
amenu  Modeline.Insert\ a\ VIM\ modeline <Esc><Esc>ggOvim:ff=unix ts=4 ss=4<CR>vim60:fdm=marker<esc>gg
----------------------------------------

" A function to save word under cursor to a file
function! SaveWord()
   normal yiw
   exe ':!echo '.@0.' >> word.txt'
endfunction
map ,p :call SaveWord()
----------------------------------------

" function to delete duplicate lines
function! Del()
 if getline(".") == getline(line(".") - 1)
   norm dd
 endif
endfunction

:g/^/ call Del()
----------------------------------------

" Digraphs (non alpha-numerics)
:digraphs                         : display table
:h dig                            : help
i<C-K>e'                          : enters é
i<C-V>233                         : enters é (Unix)
i<C-Q>233                         : enters é (Win32)
ga                                : View hex value of any character
#Deleting non-ascii characters (some invisible)
:%s/[\x00-\x1f\x80-\xff]/ /g      : type this as you see it
:%s/[<C-V>128-<C-V>255]//gi       : where you have to type the Control-V
:%s/[€-ÿ]//gi                     : Should see a black square & a dotted y
:%s/[<C-V>128-<C-V>255<C-V>01-<C-V>31]//gi : All pesky non-asciis
:exec "norm /[\x00-\x1f\x80-\xff]/"        : same thing
#Pull a non-ascii character onto search bar
yl/<C-R>"                         :
/[^a-zA-Z0-9_[:space:][:punct:]]  : search for all non-ascii
----------------------------------------

" All file completions grouped (for example main_c.c)
:e main_<tab>                     : tab completes
gf                                : open file under cursor  (normal)
main_<C-X><C-F>                   : include NAME of file in text (insert mode)
----------------------------------------

" Complex Vim

" swap two words
:%s/\<\(on\|off\)\>/\=strpart("offon", 3 * ("off" == submatch(0)), 3)/g

" swap two words
:vnoremap <C-X> <Esc>`.``gvP``P

" Swap word with next word
nmap <silent> gw    "_yiw:s/\(\%#\w\+\)\(\_W\+\)\(\w\+\)/\3\2\1/<cr><c-o><c-l> 
----------------------------------------

" Convert Text File to HTML
:runtime! syntax/2html.vim        : convert txt to html
:h 2html
----------------------------------------

" VIM has internal grep
:grep some_keyword *.c            : get list of all c-files containing keyword
:cn                               : go to next occurrence
----------------------------------------

" Force Syntax coloring for a file that has no extension .pl
:set syntax=perl

" Remove syntax coloring (useful for all sorts of reasons)
:set syntax off

" change coloring scheme (any file in ~vim/vim??/colors)
:colorscheme blue

" Force HTML Syntax highlighting by using a modeline
# vim:ft=html:

" Force syntax automatically (for a file with non-standard extension)
au BufRead,BufNewFile */Content.IE?/* setfiletype html
----------------------------------------
:set noma (non modifiable)        : Prevents modifications
:set ro (Read Only)               : Protect a file from unintentional writes
----------------------------------------

" Sessions (Open a set of files)
gvim file1.c file2.c lib/lib.h lib/lib2.h : load files for "session"
:mksession                        : Make a Session file (default Session.vim)
:q
gvim -S Session.vim               : Reload all files
----------------------------------------
#tags (jumping to subroutines/functions)
taglist.vim                       : popular plugin
:Tlist                            : display Tags (list of functions)
<C-]>                             : jump to function under cursor
----------------------------------------

" columnise a csv file for display only as may crop wide columns
:let width = 20
:let fill=' ' | while strlen(fill) < width | let fill=fill.fill | endwhile
:%s/\([^;]*\);\=/\=strpart(submatch(1).fill, 0, width)/ge
:%s/\s\+$//ge

" Highlight a particular csv column (put in .vimrc)
function! CSVH(x)
    execute 'match Keyword /^\([^,]*,\)\{'.a:x.'}\zs[^,]*/'
    execute 'normal ^'.a:x.'f,'
endfunction
command! -nargs=1 Csv :call CSVH(<args>)

" call with
:Csv 5                             : highlight fifth column
----------------------------------------
zf1G      : fold everything before this line 

" folding : hide sections to allow easier comparisons
zf}                               : fold paragraph using motion
v}zf                              : fold paragraph using visual
zf'a                              : fold to mark
zo                                : open fold
zc                                : re-close fold
:help folding
zfG      : fold everything after this line 
----------------------------------------

" displaying "non-asciis"
:set list
:h listchars
----------------------------------------

" How to paste "normal commands" w/o entering insert mode
:norm qqy$jq
----------------------------------------

" manipulating file names
:h filename-modifiers             : help
:w %                              : write to current file name
:w %:r.cfm                        : change file extention to .cfm
:!echo %:p                        : full path & file name
:!echo %:p:h                      : full path only
:!echo %:t                        : filename only
:reg %                            : display filename
<C-R>%                            : insert filename (insert mode)

"%p                               : insert filename (normal mode)
/<C-R>%                           : Search for file name in text
----------------------------------------

" delete without destroying default buffer contents

"_d                               : what you've ALWAYS wanted

"_dw                              : eg delete word (use blackhole)
----------------------------------------

" pull full path name into paste buffer for attachment to email etc
nnoremap <F2> :let @*=expand("%:p")<cr> :unix
nnoremap <F2> :let @*=substitute(expand("%:p"), "/", "\\", "g")<cr> :win32
----------------------------------------

" Simple Shell script to rename files w/o leaving vim
$ vim
:r! ls *.c
:%s/\(.*\).c/mv & \1.bla
:w !sh
:q!
----------------------------------------

" count words/lines in a text file
g<C-G>                                 # counts words
:echo line("'b")-line("'a")            # count lines between markers a and b 
:'a,'bs/^//n                           # count lines between markers a and b
:'a,'bs/somestring//gn                 # count occurences of a string
----------------------------------------

" example of setting your own highlighting
:syn match DoubleSpace "  "
:hi def DoubleSpace guibg=#e0e0e0
----------------------------------------

" reproduce previous line word by word
imap ]  @@@<ESC>hhkyWjl?@@@<CR>P/@@@<CR>3s
nmap ] i@@@<ESC>hhkyWjl?@@@<CR>P/@@@<CR>3s

" Programming keys depending on file type
:autocmd bufenter *.tex map <F1> :!latex %<CR>
:autocmd bufenter *.tex map <F2> :!xdvi -hush %<.dvi&<CR>
----------------------------------------

" reading Ms-Word documents, requires antiword
:autocmd BufReadPre *.doc set ro
:autocmd BufReadPre *.doc set hlsearch!
:autocmd BufReadPost *.doc %!antiword "%"
----------------------------------------

" a folding method
vim: filetype=help foldmethod=marker foldmarker=<<<,>>>
A really big section closed with a tag <<< 
--- remember folds can be nested --- 
Closing tag >>> 
----------------------------------------

" Return to last edit position (You want this!) 
autocmd BufReadPost *
     \ if line("'\"") > 0 && line("'\"") <= line("$") |
     \   exe "normal! g`\"" |
     \ endif
----------------------------------------

" store text that is to be changed or deleted in register a

"act<                                 :  Change Till < 
----------------------------------------
# using gVIM with Cygwin on a Windows PC
if has('win32')
source $VIMRUNTIME/mswin.vim
behave mswin
set shell=c:\\cygwin\\bin\\bash.exe shellcmdflag=-c shellxquote=\"
endif
----------------------------------------

" Just Another Vim Hacker JAVH
vim -c ":%s%s*%Cyrnfr)fcbafbe[Oenz(Zbbyranne%|:%s)[[()])-)Ig|norm Vg?"
----------------------------------------
__END__
----------------------------------------

"Read Vimtips into a new vim buffer (needs w3m.sourceforge.net)
:tabe | :r ! w3m -dump http://zzapper.co.uk/vimtips.html    
----------------------------------------
updated version at http://www.zzapper.co.uk/vimtips.html