[LAU] No batch processing on Linux?

Hartmut Noack zettberlin at linuxuse.de
Wed Sep 22 21:36:03 UTC 2010

Am 22.09.2010 11:11, schrieb Louigi Verona:
> Hey guys!
> Yeah, I am not saying it is anyone's fault and my CLI abilities are very
> basic. Also, even when I do research such stuff, I forget it quickly. For
> instance, I remember testing a CLI command to convert photos from one size
> to another.

Image Magick?

# resize all jpg-pics in a folder

mkdir web;
mkdir web/thumbs;

for img in `ls *.jpg`
  convert -resize 620x470  -quality 70 $img  web/$img


> It was very fast and efficient and I was really convinced that
> it is much faster than firing up a GUI program. However, when I had to do a
> similar task some months later, at that moment I had no access to the
> Internet and I could not remember what command that was and how to use it.
> So eventually I had to give up.
> Same with file encoding. It does not come up very often, when it does - will
> I remember the command?
> I will try Gnome SoundConverter, thanks for this GUI suggestion. CLI
> suggestions are also very welcome, I will try them anyway, of course.
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