42 lines
943 B
Bash
Executable file
42 lines
943 B
Bash
Executable file
#!/bin/sh
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SRC=../www/img
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SIZE=500
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# transform path to /img/*/.thumb/
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pathtrans() {
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filename=$(basename "${1%.*}")
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pathname="${1%/*}"
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if [ ! -d ${pathname}/.thumb ]; then
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mkdir ${pathname}/.thumb/
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fi
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echo "${pathname}/.thumb/${filename}.png"
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}
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# generate thumbnails in /img/*/.thumb/
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resize() {
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output=$(pathtrans $1)
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if echo $1 | grep -e .gif -e .zip > /dev/null; then
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return
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fi
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if [ ! -f ${output} ]; then
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echo "Stripping metadata from $1"
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convert "$1" -strip "$1"
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echo "Generating thumbnail for $1"
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convert "$1" -strip -auto-orient -resize ${SIZE} -dither FloydSteinberg -colors 16 ${output}
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fi
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}
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if [ -z "$1" ]; then
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echo "usage: $0 [build|clean]"
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else
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case $1 in
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"build")
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echo "Updating thumbnails cache"
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for x in $(find ${SRC}/*/*); do resize "$x"; done;;
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"clean")
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echo "Cleaning thumbnails cache"
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rm -rf ${SRC}/*/.thumb
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echo "Cleaned";;
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esac
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fi
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