Re: OT: running a command on many files in many subdirectories

[Colin Watson <cjwatson@debian.org>]

On Tue, Jan 28, 2003 at 05:56:51PM -0500, Levi Waldron wrote:
> I'm sure this is simple, but maybe someone here can help me do it in a few 
> minutes instead of hours.  I have a bunch of files in a bunch of 
> directories, and I want to run the same command on each of them.  For each 
> input file, the output file should have the same name except ending in .txt, 
> and the output files should be put a common directory.  ie,
> 
> java ImageInfo dir1/pic1.jpg > commondir/pic1.txt
> 
> etc, repeated over a bunch or directories and jpg files.  The subdirectories 
> only go one deep.  

Sounds like you want:

  for x in your-list-of-files; do
    java ImageInfo "$x" > commondir/"`basename \"$x\" .jpg`".txt
  done

... or something similar. You could use either wildcards or 'find' for
the your-list-of-files part.

Cheers,

-- 
Colin Watson                                  [cjwatson@flatline.org.uk]