cheat sheets.

$ cheat sprintf
--- sprintf version 24	Wed Dec 26 19:45:08 +0000 2007
+++ sprintf version 25	Sat Mar 08 05:37:34 +0000 2008
@@ -1,13 +1,4 @@
-%b    => Binary integer
-%c    => Single character
-%d    => Decimal integer
-%e    => Decimal integer displayed in exponential form
-%f    => Floating point number
-%g    => Same as %e if exponent is less than -4, %f otherwise
-%o    => Octal integer
-%s    => String
-%u    => Unsigned decimal integer
-%x    => Hexadecimal integer
-%02d  => 0 padded two digits
-%.02f => round to the hundredths
+%s => string
+%d => number
+%f => float
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