#!/bin/sh

# Script 
# Software dependencies: imagemagick
# Usage: ./rotate.sh imgs-dir-name pdf-filename

DIR=""
DEG=""
#echo ${#1}

if [ ${#1} -gt 0 ] # check arguments given
then
    DIR=$1
    echo "Images from $DIR directory are being rotated" 

    if [ ${#2} -gt 0 ]
    then
	DEG=$2
	for IMG in $DIR* # rotate each $IMG in $DIR n $DEGs
	do mogrify -rotate $DEG $IMG
	done
    else
	echo "You forgot to provide the roation value (in degrees) as the second argument"
    fi
else
    echo "You forgot to provide the images directory as the first argument"
fi