mirror of
https://github.com/tanrax/bash-folders.git
synced 2025-10-10 18:25:50 +02:00
69 lines
1.5 KiB
Bash
Executable File
69 lines
1.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -e
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usage() {
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[[ -n "${*}" ]] && printf '%s\n' "Error: ${*}" >&2
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cat << EOF
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USAGE: ${0##*/} [OPTION] --folder PATH
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Watches when new image (PNG or JPEG) are added and transform to WebP format
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OPTIONS:
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--help Display this usage message and exit
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--folder PATH PATH to be monitored
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EOF
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exit 1
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}
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start() {
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inotifywait -m -e create,moved_to --format '%f' "$FOLDER_ORIGIN" | while read -r filename; do
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extension="${filename##*.}"
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for ext in "${EXTENSIONS_TO_WATCH[@]}"; do
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if [[ "$ext" == "$extension" ]]; then
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filename_output="${filename%.*}.webp"
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touch "$FOLDER_ORIGIN/$MESSAGE_WAITING"
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cwebp -q "$QUALITY" "$FOLDER_ORIGIN/$filename" -o "$FOLDER_ORIGIN/$filename_output"
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rm "$FOLDER_ORIGIN/$MESSAGE_WAITING"
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fi
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done
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done
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}
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while [[ $# -gt 0 ]]
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do
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key="$1"
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case $key in
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--folder)
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FOLDER_ORIGIN="$2"
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shift 2
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;;
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--quality)
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QUALITY="$2"
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shift 2
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;;
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*)
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usage "Unknown option: $1"
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;;
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esac
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done
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QUALITY="90"
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MESSAGE_WAITING="converting_please_wait"
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EXTENSIONS_TO_WATCH=("jpg" "jpeg" "png")
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if ! command -v cwebp > /dev/null; then
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printf '%s\n' "Error: You must install WebP tooling" >&2
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exit 1
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fi
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# Check if the required --folder flag is provided
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if [[ -z "$FOLDER_ORIGIN" ]]; then
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printf '%s\n' "Error: The --folder flag is required" >&2
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exit 1
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fi
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start
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