forked from extern/ohmyzsh
71 lines
2.2 KiB
Bash
71 lines
2.2 KiB
Bash
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function ua() {
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local usage=\
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"Archive files and directories using a given compression algorithm.
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Usage: $0 <format> <files>
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Example: $0 tbz PKGBUILD
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Supported archive formats are:
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7z, bz2, gz, lzma, lzo, rar, tar, tbz (tar.bz2), tgz (tar.gz),
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tlz (tar.lzma), txz (tar.xz), tZ (tar.Z), xz, Z, zip, and zst."
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if [[ $# -lt 2 ]]; then
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echo >&2 "$usage"
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return 1
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fi
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local ext="$1"
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local input="$(realpath "$2")"
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shift
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if [[ ! -e "$input" ]]; then
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echo >&2 "$input not found"
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return 1
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fi
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# generate output file name
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local output
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if [[ $# -gt 1 ]]; then
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output="$(basename "${input%/*}")"
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elif [[ -f "$input" ]]; then
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output="$(basename "${input%.[^.]*}")"
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elif [[ -d "$input" ]]; then
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output="$(basename "${input}")"
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fi
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# if output file exists, generate a random name
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if [[ -f "${output}.${ext}" ]]; then
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output=$(mktemp "${output}_XXX") && rm "$output" || return 1
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fi
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# add extension
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output="${output}.${ext}"
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# safety check
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if [[ -f "$output" ]]; then
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echo >&2 "output file '$output' already exists. Aborting"
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return 1
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fi
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case "$ext" in
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7z) 7z u "${output}" "${@}" ;;
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bz2) bzip2 -vcf "${@}" > "${output}" ;;
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gz) gzip -vcf "${@}" > "${output}" ;;
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lzma) lzma -vc -T0 "${@}" > "${output}" ;;
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lzo) lzop -vc "${@}" > "${output}" ;;
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rar) rar a "${output}" "${@}" ;;
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tar) tar -cvf "${output}" "${@}" ;;
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tbz|tar.bz2) tar -cvjf "${output}" "${@}" ;;
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tgz|tar.gz) tar -cvzf "${output}" "${@}" ;;
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tlz|tar.lzma) XZ_OPT=-T0 tar --lzma -cvf "${output}" "${@}" ;;
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txz|tar.xz) XZ_OPT=-T0 tar -cvJf "${output}" "${@}" ;;
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tZ|tar.Z) tar -cvZf "${output}" "${@}" ;;
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xz) xz -vc -T0 "${@}" > "${output}" ;;
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Z) compress -vcf "${@}" > "${output}" ;;
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zip) zip -rull "${output}" "${@}" ;;
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zst) zstd -c -T0 "${@}" > "${output}" ;;
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*) echo >&2 "$usage"; return 1 ;;
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esac
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}
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