Code:
#!/bin/bash
# FILE : bbrotate
# Function: Rotate all .jpg images in a directory. Specify clockwise rotation.
# Copyright (C) 2006-2009 Dave Crouse <crouse@usalug.net>
# ------------------------------------------------------------------------ #
if [[ $1 = "--help" || $1 = "-h" || $1 = "help" ]]; then
echo " Function: Rotate all .jpg images in a directory. Specify clockwise rotation.";
echo " Usage: $0 rotationindegrees";
echo " Requires: Imagemagick";
echo " EXAMPLE: $0 90";
echo " This would rotate images 90 degrees clockwise.";
echo " Note: rotation variable MUST be numeric ! ";
echo " ";
echo " Comments/Suggestions/Bugfixes to <crouse@usalug.net>";
echo " USA Linux Users Group - http://usalug.org";
echo " ";
exit 0
fi
if [[ -z $( type -p convert ) ]]; then echo -e "ImageMagick -- NOT INSTALLED !";exit ;fi
if [[ -z "$1" || $1 = *[^0-9]* ]] ; then
echo " ";
echo " ######### COMMAND FAILED ########## ";
echo " USAGE: $0 rotationindegrees";
echo " EXAMPLE: $0 90";
echo " This would rotate images 90 degrees clockwise.";
echo " Note: rotation variable MUST be numeric ! ";
echo " ######### COMMAND FAILED ########## ";echo " ";
else
export IFS=$'\n';
for i in $(find . -maxdepth 1 -type f -iname "*.jpg");
do
echo "Rotating ${i:2} $1 degrees." ;convert -rotate $1 ${i:2} new_${i:2}; mv new_${i:2} ${i:2} ;
done
fi
exit 0
