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#!/bin/bash
# configure cwebp location if not in PATH
CWEBP=cwebp
# configure flags
CWEBP_FLAGS="-m 6"
set -e
cd $(dirname $0)/www/dump
iencode() {
EXT="$1"
QUAL="$2"
export EXT QUAL CWEBP CWEBP_FLAGS
set -x
find . -name \*."${EXT}" -print0 | xargs -0 -P ${THREADS} -n 1 bash -c '
IN="$0"
OUT="${IN%.${EXT}}.webp"
[[ -f ${OUT} ]] || ${CWEBP} -q "${QUAL}" ${CWEBP_FLAGS} ${IN} -o ${OUT}
'
}
iencode jpg 90
iencode png 99
if hash zopflipng; then
find . -name \*.png -print0 | xargs -0 -I '{}' -P ${THREADS} zopflipng -m -y '{}' '{}'
else
echo >&2 "Install zopfli (https://code.google.com/p/zopfli/) to improve PNG compression."
echo >&2 "KS 1.1 .png files reduce by ~2.6M (~1.6%) with -m, taking several hours."
fi
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