########################
# resize.sh
# This is Free Software
#
# ######################
# This software use `ImageMagick`
#
# If you are using Ubuntu / Debian
# type
#
# $ sudo apt-get install imagemagick
#
# to install `ImageMagick`
#
########################
# Usage
#
# sh resize.sh SRC-DIRECTORY GEOMETORY [TYPE] [DIST-DIRECTORY]
#
# eg1.
# sh resize.sh ~/Picture 500x500
#
# This makes DIRECTORY `resize` in ~/Picture , and then make resized image as 500x500
# in ~/Picture/resize/ , geometry is not changed.
#
# If you want to change geometry run resize.sh like
#
# sh resize.sh ~/Picture 500x500!
#
# eg2.
# sh resize.sh filename.jpg 500x500
#
# This resize filename.jpg as 500x500.
#
# eg3.
# sh resize.sh filename.jpg 500x500 newfile.jpg
#
# This copy filename.jpg to newfile.jpg resized as 500x500.