Emacs keyboard bindings
For OS X, open Terminal Preferences > keyboard, and check:
"Use option key as meta key"
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In Terminal
* and ** = variable user input
opt-b : back one word
opt-f : forward one word
ctrl-a : beginning of line
ctrl-e : end of line
ctrl-]* : jump forward to character *
ctrl-opt-]* : jump backward to character * (not OS X 10.4?)
opt-* : repeat the next command * times where * is an integer
ctrl-r * : reverse history search for *
ctrl-j : edit found command
!* : run last command matching *
* opt-. : find last command matching * (repeat to cycle)
*!$ : grab last command argument and execute
!#:* : grab *th argument of current line (to repeat it)
:s/*/** : search and replace * with **
^*^** : search and replace in previous command
e.g.
ls al
ls: al: No such file or directory
^al^-al
gives
ls -al
^* : delete first instance of * in previous command
e.g.
lss -al
-bash: lss: command not found
^s
gives
ls -al
Cut and paste (Kill and Yank)
ctrl -w : delete argument back to previous space
: press immediately more than once to save multiple in one go
opt-del : delete word back to previous word boundary
opt-d : delete forward one word
ctrl-k : kill to end of line
ctrl-u : kill to start of line
ctrl-y : paste
opt-y : (after ctrl-y) cycle through 'kill ring'
grab numbered argument e.g.
echo a b c d > file.txt
echo !echo:3
gives echo c
transform: grab tail end :t of last argument e.g.
wget ftp://somedomain.com/somefile.tar.gz
tar xzf !$:t
gives:
tar xzf ftp://somedomain.com/somefile.tar.gz
remove two extensions with :r
cd !$:r:r
gives
cd somefile
see:
http://teachmetocode.com/screencasts/bash-command-line-editing/
ctrl-x ctrl-v : default bash editor
