shell scripting style question
Jason Stephenson
jason at sigio.com
Thu Dec 5 09:30:40 EST 2002
There are several differences. I'd actually do the following:
find /yourdir -iname *.bmp -exec convert {} {}.jpg \;
Of course, if all the images are in a single subdirectory then a for
loop would be better because you can do more variable substitution inside.
Something like this:
for file in /dir/*.bmp /dir/*.BMP
do
bname=${file%.}
convert ${file} ${bname}.jpg
done
That's in a sh-oriented syntax. Switching to csh is pretty simple.
Price, Erik wrote:
>
>>-----Original Message-----
>>From: Kevin D. Clark [mailto:kclark at cetaceannetworks.com]
>>Sent: Wednesday, December 04, 2002 5:31 PM
>>To: Charles Farinella
>>Cc: gnhlug-discuss at mail.gnhlug.org
>>Subject: Re: convert large number of graphics
>>
>
> [...]
>
>>
>>for A in `find /yourdir \( -name \*.bmp -o -name \*.BMP \)
>>-print` ; do
>> bmptoppm $A | ppmtojpeg >`echo $A | sed 's/\.bmp/.jpg/i'`
>>done
>
>
> Just out of curiosity, is the only difference between using
> "find" and "ls -R" (in this particular case) that you can
> use more than one glob argument?
>
>
> Erik
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