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minify.sh
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#!/bin/sh
# Copyright 2013 Daniel Blair
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# 2021 Modified by Sosthèn Gaillard : output to same file, using temporary file
#You must supply atleast 1 arguement to the script
#this arguement MUST be the CSS or JS file to minify
if test $# -lt 1; then echo Usage $0 CSS-or-JS-file; exit 1; fi
#If the arguement is given with -raw in the file name than it will be removed and saved as the file name with out the raw.
outfile="${1}.tmp"
#This command removes comments from CSS and Javascript files using sed.
#Read the supplied README.txt for additional information
cat $1 | sed -e "s|/\*\(\\\\\)\?\*/|/~\1~/|g" -e "s|/\*[^*]*\*\+\([^/][^*]*\*\+\)*/||g" -e "s|\([^:/]\)//.*$|\1|" -e "s|^//.*$||" | tr '\n' ' ' | sed -e "s|/\*[^*]*\*\+\([^/][^*]*\*\+\)*/||g" -e "s|/\~\(\\\\\)\?\~/|/*\1*/|g" -e "s|\s\+| |g" -e "s| \([{;:,]\)|\1|g" -e "s|\([{;:,]\) |\1|g" > $outfile
cat $outfile > $1
rm $outfile