help with sed

[Chris F.A. Johnson]

On Sat, 16 Jun 2007, Peter P. wrote:

> Chris F.A. Johnson <cfaj at ...> writes:
>
>> lame %f `echo %f | sed 's/.wav$//'`.mp3
>
> '%f' suggests this runs under Win32 ? Or csh ? In bash:
>
>  lame "$f" "${f%%.wav}.mp3"
>
> (somehow I had expected you (CFAJ) to write this ;-)

     I didn't, because it was not clear whether it was being processed
     by a shell, and if not, sed is much more efficient than invoking a
     shell just to perform parameter expansion.

-- 
    Chris F.A. Johnson                      <http://cfaj.freeshell.org>
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    Shell Scripting Recipes: A Problem-Solution Approach (2005, Apress)
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