#!/bin/sh

# usage: resizejpg infile outfile xsize ysize exifout quality

INFILE=$1
OUTFILE=$2
XSIZE=$3
YSIZE=$4
EXIF=$5
QUAL=$6

# do stuff
jpegtopnm $INFILE | pnmscale -xysize $XSIZE $YSIZE | cjpeg -quality $QUAL > $OUTFILE

# grab original EXIF data
exif.py $INFILE >$EXIF

# prevent accidental overwriting
chmod 444 $OUTFILE $EXIF
