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#!/bin/sh
#
# Written in 2016 by Sergei Eremenko <https://github.com/SmartFinn>
#
# To the extent possible under law, the author(s) have dedicated all copyright
# and related and neighboring rights to this software to the public domain
# worldwide. This software is distributed without any warranty.
#
# You should have received a copy of the CC0 Public Domain Dedication along
# with this software. If not, see
# <http://creativecommons.org/publicdomain/zero/1.0/>.
#
# Description:
# This script removes unused attributes and removes attributes with default
# values from elements.
# More details https://www.w3.org/TR/SVG/attindex.html
#
# Usage:
# _clean_attrs.sh FILE...
set -e
for i in "$@"; do
if [ -f "$i" ] && [ ! -L "$i" ]; then
# is a file and is not a symlink
# continue if an extension is svg
[ "${i##*.}" = "svg" ] || continue
scour \
--quiet \
--disable-simplify-colors \
--disable-style-to-xml \
--enable-id-stripping \
--remove-metadata \
--renderer-workaround \
--strip-xml-prolog \
--set-precision=8 \
--strip-xml-space \
-i "$i" -o "$i".tmp
# rename
mv -f "$i".tmp "$i"
else
continue
fi
done
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