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August 29, 2015 14:23
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画像ファイルの最適化ワンライナーいろいろ
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| #jpegtranとgifsicleではワイルドカードが使えないのでrubyでファイル名を繰り返し渡してやる。 | |
| #JPEG | |
| ruby -e 'ARGV.each{|file| `jpegtran -copy none -optimize -outfile #{file} #{file}`}' *.jpg | |
| #GIF | |
| ruby -e 'ARGV.each{|file| `gifsicle -O2 -o #{file} #{file}`}' *.gif | |
| #PNG | |
| optipng *.png |
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