96 lines
2 KiB
Bash
96 lines
2 KiB
Bash
# Convert between different formats.
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# Usage: convert <FORMAT> [FILES]
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convert()
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{
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local targets=("${@:2}")
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local format="${1}"
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local total=${#targets[@]}
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local count=0
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local failed=0
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# Report no format.
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if [[ "${format}" = "" ]]; then
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echo -e "${color_bred}No format specified.${color_default}"
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echo "Usage: convert <FORMAT> [FILES]"
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return 2
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fi
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# All files by default.
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if [[ "${targets}" = "" ]]; then
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targets=($(ls --classify | grep -v /$))
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total=${#targets[@]}
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fi
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# Process.
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for target in "${targets[@]}"; do
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# Increment counter.
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((count++))
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# Define context names and status.
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local from="${target##*.}"
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local to="${format}"
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local status="[${count}/${total}] ${target} -> ${target%.*}.${to}"
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# Show status.
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echo -e "${status}"
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# Support multiple inputs.
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[[ "${to}" = "mp3" ]] && from=""
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# Send convert.
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case "${from}-${to}" in
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"gz-xz"|"tgz-txz")
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_convert_gz-xz "${target}"
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;;
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"xz-gz"|"txz-tgz")
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_convert_xz-gz "${target}"
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;;
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"-mp3")
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_convert_mp3 "${target}"
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;;
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*)
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echo -e "${color_yellow}Conversion ${from}-${to} not supported.${color_default}"
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false
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;;
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esac
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# Increment failed on error.
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if [[ $? != 0 ]]; then
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_convert_error "${target}"
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((failed++))
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fi
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done
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# Report result.
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if [[ ${count} -gt 1 ]] || [[ "${*}" = "" ]]; then
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if [[ ${failed} = 0 ]]; then
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echo -e "${color_green}All successful.${color_default}"
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else
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echo -e "${color_bred}Items failed to convert: ${failed}.${color_default}"
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fi
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fi
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}
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_convert_error()
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{
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echo -e "${color_bred}${1}: failed.${color_default}"
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}
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_convert_gz-xz()
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{
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pv "${1}" | gzip -d | xz -9e > "${1%.gz}.xz"
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}
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_convert_xz-gz()
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{
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pv "${1}" | xz -d | gzip -1 > "${1.xz}.gz"
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}
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_convert_mp3()
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{
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ffmpeg -i "${1}" -c:a libmp3lame -b:a 320k -f mp3 "${1%.*}.mp3"
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}
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# Export.
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export -f convert _convert_gz-xz _convert_xz-gz
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