35 lines
847 B
Bash
35 lines
847 B
Bash
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#!/bin/sh
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set -e
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STATIC_DIR=../static/samples/
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THUMB_WIDTH=200
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THUMB_HEIGHT=10000 # height: auto;
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thumbnail() {
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echo "convert \"$1\" -thumbnail ${THUMB_WIDTH}x${THUMB_HEIGHT} \"${1%.*}-thumb.jpg\""
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convert "$1" -thumbnail ${THUMB_WIDTH}x${THUMB_HEIGHT} "${1%.*}-thumb.jpg"
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}
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[ ! -f "$STATIC_DIR"samples.sha256 ] && touch "$STATIC_DIR"samples.sha256
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find "$STATIC_DIR" -name '*.jpg' ! -name '*-thumb.jpg' -type f | while read -r f
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do
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f_=$(echo "$f" | sed -E -e 's@([/.])@\\\1@g')
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checksum=$(grep "$f_" "$STATIC_DIR"samples.sha256 || /bin/true)
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if [ -n "$checksum" ]
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then
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echo "$checksum" | sha256sum -c --status || {
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echo "File $f changed"
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sed -i "/$f_/ c\\
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$(sha256sum "$f")
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" "$STATIC_DIR"samples.sha256
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thumbnail "$f"
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}
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else
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echo "New file $f"
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sha256sum "$f" >> "$STATIC_DIR"samples.sha256
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thumbnail "$f"
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fi
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done
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