Re: Undocumented usage of printf?

[Jan Schampera]

Clark J. Wang schrieb:
> I saw a printf usage from a Linux forum's post:
> 
> # printf "%d\n" "'a"
> 97
> #
> 
> It's really cool but I found no info in bash's manual. Are there any other
> undocumented interesting features? :)
> 

I "documented" it, though I don't remember where I first heard about it.
Maybe I stumbled over it in POSIX (it's specified there).

http://bash-hackers.org/wiki/doku.php/commands/builtin/printf#arguments


Jan