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zim/modules/archive/functions/unarchive

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#
# Unarchives files
#
local archive_name
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if (( ${#} != 1 )); then
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cat >&2 <<EOF
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usage: ${0} [archive.zip]
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EOF
return 1
fi
if [[ ! -s ${1} ]]; then
print "archive \"${1}\" was not found or has size 0." >&2
return 1
fi
# strip the path, just in case one is provided for some reason
archive_name="${1:t}"
# using unpigz/pbunzip2 provides little to decompression time; the benefit is mainly in compression time.
# setting it as an alias in the init.zsh file should be sufficient here.
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case "${archive_name}" in
(*.tar.gz|*.tgz) tar -xvzf "${archive_name}" ;;
(*.tar.bz2|*.tbz|*.tbz2) tar -xvjf "${archive_name}" ;;
(*.tar.xz|*.txz) tar --xz --help &> /dev/null && tar --xz -xvf "${archive_name}" \
|| xzcat "${archive_name}" | tar xvf - ;;
(*.tar.zma|*.tlz) tar --lzma --help &> /dev/null && tar --lzma -xvf "${archive_name}" \
|| lzcat "${archive_name}" | tar xvf - ;;
(*.tar) tar xvf "${archive_name}" ;;
(*.gz) gunzip "${archive_name}" ;;
(*.bz2) bunzip2 "${archive_name}" ;;
(*.xz) unxz "${archive_name}" ;;
(*.lzma) unlzma "${archive_name}" ;;
(*.Z) uncompress "${archive_name}" ;;
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(*.zip) unzip "${archive_name}";;
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(*.rar) unrar &> /dev/null \
&& unrar x -ad "${archive_name}" \
|| rar x -ad "${archive_name}" ;;
(*.7z) 7za x "${archive_name}" ;;
(*) print "${0}: unknown archive type: ${archive_name}" ;;
esac