45 lines
1 KiB
Bash
Executable file
45 lines
1 KiB
Bash
Executable file
#!/bin/sh
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ROOT=../www
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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=$(echo $1 | awk -F/ '{print $NF}')
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filename=$(echo ${filename} | awk 'BEGIN{FS=OFS="."}{NF--; print $0}')
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transform=$(echo $1 | awk 'BEGIN{FS=OFS="/"}{NF--; print $0}')
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if [ ! -d ${transform}/.thumb ]; then
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mkdir ${transform}/.thumb/
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fi
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transform=${transform}/.thumb/${filename}.png
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echo ${transform}
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}
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# generate thumbnails in /img/*/.thumb/
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resize() {
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output=$(pathtrans $1)
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if echo $1 | grep .gif > /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 "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 "creating new thumbnails"
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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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