Bash Image Optimization for web

README.md

imgoptim

This script is use to optimize image for web

• This script only optimize jpg and png image
• Currently this script only support debian
• jpg strip-all
• -o9
• Current folder

./imgoptim

imgotim.sh

##
# @author freakie guy <[email protected]>
# @package Batch Optimize Image for web performance
# @requirement jpegoptim, optipng
##

#
# Folder path
#
FOLDER=get_abs_path

#
# OS check
#
DEBIAN="/etc/debian_version"

#
# check jpeg cmd if not install
#
jpegoptimize() {
    if type -P jpegoptim &>/dev/null ; then
       for f in *.jpg
       do
        jpegoptim --strip-all "$f"
       done
    else
        apt-get install jpegoptim
        jpegoptimize
    fi
}

#
# check jpeg cmd if not install
#
pngoptimize() {
    if type -P optipng &>/dev/null ; then
    for f in *.png
    do
        optipng -o9 -preserve "$f"
    done
    else
        apt-get install optipng
        pngoptimize
    fi
}

get_abs_path() {
  # $1 : relative filename
  echo "$(cd "$(dirname "$1")" && pwd)/$(basename "$1")"
}


if [ -f "$DEBIAN" ]
then
    cd $FOLDER
    echo "jpeg Optimization start ...."
    jpegoptimize
    echo -e "jpeg Done.\n"
    echo "png Optimization start ...."
    pngoptimize
    echo "png Done."
    cd -
else
    echo "Non Supported OS"
fi 

jpepgoptim-pngoptim for current folder

The MIT License (MIT)

Copyright (c) 2013 wackoen

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.