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#!/bin/bash
for filename in $(find $1 -type f); do
kind="$(file -b "$filename" | cut -d, -f1)"
case "$kind" in
JPEG*)
jpegtran -optimize -progressive -copy none -outfile "$filename" "$filename"
;;
PNG*)
optipng -o7 "$filename"
;;
SVG*)
sed -e '/^<?xml/d' "$filename" | sed -E -e 's/^\s+//' | sed -e ':a;N;$!ba;s/\n//g' > "$filename.tmp"
mv "$filename.tmp" "$filename"
;;
*)
echo "Unknown: $filename"
;;
esac
done
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