You can use convert from the Imagemagick package. Like this: convert -colorspace gray input.jpg output.jpg.

Or use the Image::Magick module if you can get it to compile.

Joost.

-- 
#!/usr/bin/perl -w
use strict;$;=
";Jtunsitr pa;ngo;t1h\$e;r. )p.e(r;ls ;h;a;c.k^e;rs 
";$_=$;;do{$..=chop}while(chop);$_=$;;eval$.;
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