#!/bin/sh for jpgfile in *jpg do medfn=${jpgfile}"_med.jpg" smlfn=${jpgfile}"_sml.jpg" #echo $1 #echo $medfn #echo $smlfn cp "$jpgfile" "$medfn" cp "$jpgfile" "$smlfn" mogrify -resize 300 $medfn mogrify -resize 150 $smlfn echo $1" has been converted into "$medfn" and "$smlfn done exit 0