Converting images

[Jonathan Hudson]

On Sat, 3 Oct 2009 16:21:41 +0100, R Kimber wrote:

>I'm trying to resize some images in a directory to have a height of 700.  I
>thought the imagemagick 'convert' would do it, so I did:
>
>for files in *.jpg; do convert -resize x700 $files; done
>
>but I got:
>convert: missing an image filename `img_1385.jpg' @
>wand/convert.c/ConvertImageCommand/2710
>
>for each image.
>
>What am I doing wrong? Is there another tool that might do it?

convert requires an output file, mogrify works "in place".

so 
mogrify -resize x700 $files
or 
convert -resize x700 $files new_$files

-jh