Re: using convert to batch convert

[Miguel Griffa <mgriffa@technisys.com.ar>]

At 01:30 p.m. 30/07/01 -0700, Aaron Brashears wrote:
> I have many, many images that I want to scale down using imagemagick's
> convert utility. The convert utility doesn't seem to work correctly
> unless you give it an output name per input filename, but the man page
> doesn't make it clear how to do this, and I'm stumped as to how to
> generate a new name for each input file name.
>
> The command I would expect to work:
>
> convert -sample 50% *
>
> only converts the last file in the directory, and converts it twice
> (!) to a filename with '.0' and '.0.0' appended. Any way I can use
> convert in some kind of batch mode?

I don't know about convert but if this works
convert -samle 50% original.ext new_file.ext
you can easilyu do that with bash
for i in `ls *`; do convert -sample 50% $i `echo $i |sed -e"s/.*/new_&/"`; done

bash rocks :)