├── LICENSE
├── PNGCompress
├── README.md
├── pngquant
└── pngquantWrapper


/LICENSE:
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 1 | The MIT License (MIT)
 2 | 
 3 | Copyright (c) 2016 Asha
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 | 


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/PNGCompress:
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 1 | #!/bin/bash
 2 | if [ -z "$1" ]; then
 3 | 	echo usage: compressimg [directory or file]
 4 | 	exit
 5 | fi
 6 | 
 7 | # apply the compressimg script to every image file within the given directory
 8 | # if the input is a single file, execute the script on it
 9 | OLDSIZE=`du -sk $1 | awk '{ print $1}'`
10 | # echo 'OLDSIZE'
11 | # echo $OLDSIZE
12 | INPUTTYPE="Directory"
13 | 
14 | # execute compression
15 | DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
16 | if [ -d $1 ]; then
17 | 	find $1 -type f \( -name "*.png" \) -exec $DIR/pngquantWrapper '{}' \;
18 | else
19 | 	INPUTTYPE="File"
20 | 	$DIR/pngquantWrapper $1
21 | fi
22 | 
23 | NEWSIZE=`du -sk $1 | awk '{ print $1}'`
24 | let RESULT=100-$NEWSIZE*100/$OLDSIZE
25 | echo ''
26 | echo $1 Finished.
27 | echo 'NEWSIZE/OLDSIZE' $NEWSIZE'/'$OLDSIZE 
28 | echo 'TOTAL:'$RESULT'% COMPRESSED.'
29 | echo ''
30 | 


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/README.md:
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 1 | # PNGCompressForMac
 2 | Simple shell script to compress png file. It will compress all png file include in given directory.
 3 | 
 4 | ## USAGE
 5 | ```
 6 | sh PNGCompress PATH/TO/YOUR/RES
 7 | ```
 8 | 
 9 | ## NOTICE
10 | MacOS **only**
11 | 
12 | ## Reference
13 | * [pngquant](https://pngquant.org/)
14 | * [Optimize-Images GitHub](https://github.com/johnellmore/Optimize-Images)
15 | 


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/pngquant:
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https://raw.githubusercontent.com/ashqal/PNGCompressForMac/2038bf576ebea8f1922b547c4c3a2bfbd1853e0b/pngquant


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/pngquantWrapper:
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 1 | #!/bin/bash
 2 | if [ -z "$1" ]; then
 3 |         echo usage: compressimg [file]
 4 |         echo This tool will apply common image optimization techniques to the given file.
 5 |         exit
 6 | fi
 7 | OLDSIZE=`ls -l $1 | awk '{ print $5}'`
 8 | 
 9 | ./pngquant --force --skip-if-larger $1 --output $1.tmp
10 | 
11 | if [ -f $1.tmp ]; then 
12 | mv $1.tmp $1
13 | fi 
14 | 
15 | NEWSIZE=`ls -l $1 | awk '{ print $5}'`
16 | 
17 | # show final stats
18 | let RESULT=100-$NEWSIZE*100/$OLDSIZE
19 | echo $1 $NEWSIZE'/'$OLDSIZE ' - ['$RESULT'% COMPRESSED]'
20 | 


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