[archive] Support archive of multiple files
not just one directory. Also use shorter versions of the `tar` parameters, since we were using a mixture of the short and long ones among `archive` and `unarchive`. About not using `$` inside `(( ))`, this is what the the section ARITHMETIC EVALUATION in zshmisc(1) says: > Named parameters and subscripted arrays can be referenced by name > within an arithmetic expression without using the parameter expansion > syntax. And according to http://www.bash2zsh.com/zsh_refcard/refcard.pdf: > `var` (does not require `$` in front unless some substitution e.g. > `${#var}` is needed, `$` is error if `var` is to be modified) Closes #308
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@ -2,37 +2,30 @@
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# Creates archive files
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# Creates archive files
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#
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#
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if (( ${#} != 2 )); then
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if (( # < 2 )); then
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print "usage: ${0} [archive_name.ext] [/path/to/include/in/archive]" >&2
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print "usage: ${0} [archive_name.ext] [file]..." >&2
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return 1
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return 1
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fi
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fi
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# we are quitting (above) if there are not exactly 2 vars,
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# we are quitting (above) if there are less than 2 vars,
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# so we don't need any argc check here.
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# so we don't need any argc check here.
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# strip the path, just in case one is provided for some reason
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# strip the path, just in case one is provided for some reason
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local archive_name="${1:t}"
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local archive_name="${1:t}"
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# use absolute paths, and follow symlinks
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shift
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local dir_to_archive="${2}"
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# if the directory doesn't exist, quit. Nothing to archive
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if [[ ! -e "${dir_to_archive}" ]]; then
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print "${0}: file or directory not valid: ${dir_to_archive}" >&2
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return 1
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fi
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# pigz and pbzip2 are aliased in the init.zsh file. This provides a significant speedup, resulting in a
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# pigz and pbzip2 are aliased in the init.zsh file. This provides a significant speedup, resulting in a
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# near-liner decrease in compression time based on on the number of available cores.
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# near-liner decrease in compression time based on on the number of available cores.
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case "${archive_name}" in
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case "${archive_name}" in
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(*.tar.gz|*.tgz) tar -cvf "${archive_name}" --use-compress-program=gzip "${dir_to_archive}" ;;
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(*.tar.gz|*.tgz) tar -cvzf "${archive_name}" "${@}" ;;
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(*.tar.bz|*.tar.bz2|*.tbz|*.tbz2) tar -cvf "${archive_name}" --use-compress-program=bzip2 "${dir_to_archive}" ;;
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(*.tar.bz|*.tar.bz2|*.tbz|*.tbz2) tar -cvjf "${archive_name}" "${@}" ;;
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(*.tar.xz|*.txz) tar --xz --help &>/dev/null && tar -cvJf "${archive_name}" "${dir_to_archive}" ;;
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(*.tar.xz|*.txz) tar -J --help &>/dev/null && tar -cvJf "${archive_name}" "${@}" ;;
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(*.tar.lzma|*.tlz) tar --lzma --help &>/dev/null && tar -cvf "${archive_name}" --lzma "${dir_to_archive}" ;;
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(*.tar.lzma|*.tlz) tar --lzma --help &>/dev/null && tar --lzma -cvf "${archive_name}" "${@}" ;;
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(*.tar) tar -cvf "${archive_name}" "${dir_to_archive}" ;;
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(*.tar) tar -cvf "${archive_name}" "${@}" ;;
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(*.zip) zip -r "${archive_name}" "${dir_to_archive}" ;;
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(*.zip) zip -r "${archive_name}" "${@}" ;;
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(*.rar) rar a "${archive_name}" "${dir_to_archive}" ;;
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(*.rar) rar a "${archive_name}" "${@}" ;;
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(*.7z) 7za a "${archive_name}" "${dir_to_archive}" ;;
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(*.7z) 7za a "${archive_name}" "${@}" ;;
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(*.gz) print "${0}: .gz is only useful for single files, and does not capture permissions. Use .tar.gz" ;;
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(*.gz) print "${0}: .gz is only useful for single files, and does not capture permissions. Use .tar.gz" ;;
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(*.bz|*.bz2) print "${0}: .bzip2 is only useful for single files, and does not capture permissions. Use .tar.bz2" ;;
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(*.bz|*.bz2) print "${0}: .bzip2 is only useful for single files, and does not capture permissions. Use .tar.bz2" ;;
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(*.xz) print "${0}: .xz is only useful for single files, and does not capture permissions. Use .tar.xz" ;;
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(*.xz) print "${0}: .xz is only useful for single files, and does not capture permissions. Use .tar.xz" ;;
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@ -2,7 +2,7 @@
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# Unarchives files
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# Unarchives files
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#
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#
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if (( ${#} != 1 )); then
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if (( # != 1 )); then
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print "usage: ${0} [archive.ext]" >&2
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print "usage: ${0} [archive.ext]" >&2
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return 1
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return 1
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fi
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fi
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@ -21,7 +21,7 @@ local archive_name="${1:t}"
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case "${archive_name}" in
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case "${archive_name}" in
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(*.tar.gz|*.tgz) tar -xvzf "${archive_name}" ;;
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(*.tar.gz|*.tgz) tar -xvzf "${archive_name}" ;;
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(*.tar.bz|*.tar.bz2|*.tbz|*.tbz2) tar -xvjf "${archive_name}" ;;
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(*.tar.bz|*.tar.bz2|*.tbz|*.tbz2) tar -xvjf "${archive_name}" ;;
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(*.tar.xz|*.txz) tar --xz --help &>/dev/null && tar --xz -xvf "${archive_name}" \
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(*.tar.xz|*.txz) tar -J --help &>/dev/null && tar -xvJf "${archive_name}" \
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|| xzcat "${archive_name}" | tar xvf - ;;
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|| xzcat "${archive_name}" | tar xvf - ;;
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(*.tar.lzma|*.tlz) tar --lzma --help &>/dev/null && tar --lzma -xvf "${archive_name}" \
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(*.tar.lzma|*.tlz) tar --lzma --help &>/dev/null && tar --lzma -xvf "${archive_name}" \
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|| lzcat "${archive_name}" | tar xvf - ;;
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|| lzcat "${archive_name}" | tar xvf - ;;
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