Convert all PSD files in a directory to JPG

psdtojpeg.sh

#! /bin/sh

#############################################
# Convert all PSD files in a directory to JPG
#
# Author: Martin Rio
# Version: 0.1 (3/23/2011)
# Dependencies:
#    - ImageMagick's convert utility
#############################################

CONVERT=/opt/local/bin/convert

if [ $# != 1 ]; then
    usage
    exit 1;
fi

if [ ! -d $1 ]; then
    echo "Could not read directory $1"
    usage
    exit 1;
fi


if [ ! -d $1/jpg ]; then
    mkdir $1/jpg
    echo "Created $1/jpg"
fi

(
IFS=$'\n'
for path in `find $1 -name '*.psd'`
do
    psd=`basename $path`
    name=`basename -s .psd $path`
    echo "Converting $psd"
    $CONVERT $path[0] $1/jpg/$name.jpg
done
)

exit 0

usage()
{
    echo "Usage: psdtojpeg.sh [directory name]"
}

Feedback welcome!