ryoakg
1/6/2016 - 12:50 PM

rotate-image.sh

#! /bin/sh
if [ $# -lt 2 ] ;then
  echo "usage: $0 <degree> <files...>"
  exit 1
fi

deg=$1
if [ $deg -lt 0 ] ;then
  echo "usage: $0 <degree> <files...>"
  echo "degree must be greater than 0"
  exit 2
fi
shift


echo mogrify -rotate $deg $@