by junkblocker | 2025-10-24 03:39:30+00:00
I had found a zsh version somewhere which I've updated a few times over the years though I don't get a chance to use it much. :'D

un () { unsetopt extendedglob local old_dirs current_dirs lower do_cd if [ -z "$1" ] then print "Must supply an archive argument." return 1 fi if [ -d "$1" ] then print "Can't do much with directory arguments." return 1 fi if [ ! -e "$1" -a ! -h "$1" ] then print "$1 does not exist." return 1 fi if [ ! -r "$1" ] then print "$1 is not readable." return 1 fi do_cd=1 lower="${(L)1}" old_dirs=(*(N/)) undone=false if which unar > /dev/null 2>&1 && unar "$1" then undone=true fi if ! $undone then INFO="$(file "$1")" INFO="${INFO##*: }" if command grep -a --line-buffered --color=auto -E "Zstandard compressed data" > /dev/null <<< "$INFO" then zstd -T0 -d "$1" elif command grep -a --line-buffered --color=auto -E "bzip2 compressed" > /dev/null <<< "$INFO" then bunzip2 -kv "$1" elif command grep -a --line-buffered --color=auto -E "Zip archive" > /dev/null <<< "$INFO" then unzip "$1" elif echo "$INFO" | command grep -a --line-buffered --color=auto -E "RAR archive" > /dev/null then unrar e "$1" elif echo "$INFO" | command grep -a --line-buffered --color=auto -E 'xar archive' > /dev/null then xar -xvf "$1" elif echo "$INFO" | command grep -a --line-buffered --color=auto -E -i "tar archive" > /dev/null then if which gtar > /dev/null 2>&1 then gtar xvf "$1" else tar xvf "$1" fi elif echo "$INFO" | command grep -a --line-buffered --color=auto -E -i "LHa" > /dev/null then lha e "$1" elif echo "$INFO" | command grep -a --line-buffered --color=auto -E -i "LHa" > /dev/null then lha e "$1" elif echo "$INFO" | command grep -a --line-buffered --color=auto -E "compress'd" > /dev/null then uncompress -c "$1" elif echo "$INFO" | command grep -a --line-buffered --color=auto -E "xz compressed" > /dev/null then unxz -k "$1" do_cd=0 elif echo "$INFO" | command grep -a --line-buffered --color=auto -E "7-zip" > /dev/null then 7z x "$1" elif echo "$INFO" | command grep -a --line-buffered --color=auto -E "RPM " > /dev/null then if [ "$osname" = "Darwin" ] then rpm2cpio "$1" | cpio -i -d --quiet else rpm2cpio "$1" | cpio -i --no-absolute-filenames -d --quiet fi elif echo "$INFO" | command grep -a --line-buffered --color=auto -E "cpio archive" > /dev/null then cpio -i --no-absolute-filenames -d --quiet < "$1" elif echo "$INFO" | command grep -a --line-buffered --color=auto -E "Debian .* package" > /dev/null then dpkg-deb -x "$1" . elif echo "$INFO" | command grep -a --line-buffered --color=auto -E -i " ar archive" > /dev/null then ar x "$1" elif echo "$INFO" | command grep -a --line-buffered --color=auto -E -i "ACE archive" > /dev/null then unace e "$1" elif echo "$INFO" | command grep -a --line-buffered --color=auto -E -i "ARJ archive" > /dev/null then arj e "$1" elif echo "$INFO" | command grep -a --line-buffered --color=auto -E -i "xar archive" > /dev/null then xar -xvf "$1" elif echo "$INFO" | command grep -a --line-buffered --color=auto -E -i "ZOO archive" > /dev/null then zoo x "$1" elif echo "$INFO" | command grep -a --line-buffered --color=auto -E -Ei "(tnef|Transport Neutral Encapsulation Format)" > /dev/null then tnef "$1" elif echo "$INFO" | command grep -a --line-buffered --color=auto -E -i "InstallShield CAB" > /dev/null then unshield x "$1" elif echo "$INFO" | command grep -a --line-buffered --color=auto -E -Ei "(mail|news)" > /dev/null then formail -s munpack < "$1" elif echo "$INFO" | command grep -a --line-buffered --color=auto -E -i "uuencode" > /dev/null then uudecode "$1" elif echo "$INFO" | command grep -a --line-buffered --color=auto -E -i "cab" > /dev/null then cabextract "$1" elif echo "$INFO" | command grep -a --line-buffered --color=auto -E -i "PPMD archive" > /dev/null then ln -s "$1" . && ppmd d "$1" && rm `basename "$1"` elif [[ $lower == *.zst ]] then zstd -T0 -d "$1" elif [[ $lower == *.bz2 ]] then bunzip2 -kv "$1" elif [[ $lower == *.zip ]] then unzip "$1" elif [[ $lower == *.jar ]] then unzip "$1" elif [[ $lower == *.xpi ]] then unzip "$1" elif [[ $lower == *.rar ]] then unrar e "$1" elif [[ $lower == *.xar ]] then xar -xvf "$1" elif [[ $lower == *.pkg ]] then xar -xvf "$1" elif [[ $lower == *.tar ]] then if which gtar > /dev/null 2>&1 then gtar xvf "$1" else tar xvf "$1" fi elif [[ $lower == *.tar.zst || $lower == *.tzst ]] then which gtar > /dev/null 2>&1 if [[ $? == 0 ]] then gtar -xv -I 'zstd -T0 -v' -f "$1" elif [[ ${OSTYPE:l} == linux* ]] then tar -xv -I 'zstd -T0 -v' -f "$1" else zstd -d -v -T0 -c "$1" | tar xvf - fi elif [[ $lower == *.tar.gz || $lower == *.tgz ]] then which gtar > /dev/null 2>&1 if [[ $? == 0 ]] then gtar zxfv "$1" elif [[ ${OSTYPE:l} == linux* ]] then tar zxfv "$1" else gunzip -c "$1" | tar xvf - fi elif [[ $lower == *.tar.z ]] then uncompress -c "$1" | tar xvf - elif [[ $lower == *.tar.xz || $lower == *.txz ]] then which gtar > /dev/null 2>&1 if [[ $? == 0 ]] then xzcat "$1" | gtar xvf - else xzcat "$1" | tar xvf - fi elif echo "$INFO" | command grep -a --line-buffered --color=auto -E 'gzip compressed' > /dev/null || [[ $lower == *.gz ]] then if [[ $lower == *.gz ]] then gzcat -d "$1" > "${1%.gz}" else cat "$1" | gunzip - fi do_cd=0 elif [[ $lower == *.tar.bz2 || $lower == *.tbz ]] then bunzip2 -kc "$1" | tar xfv - elif [[ $lower == *.tar.lz4 ]] then local mytar if [[ -n "$(command -v gtar)" ]] then mytar=gtar else mytar=tar fi if [[ -n "$(command -v lz4)" ]] then $mytar -xv -I lz4 -f "$1" elif [[ -n "$(command -v lz4cat)" ]] then lz4cat -kd "$1" | $mytar xfv - else print "Unknown archive type: $1" return 1 fi elif [[ $lower == *.lz4 ]] then lz4 -d "$1" elif [[ $lower == *.epub ]] then unzip "$1" elif [[ $lower == *.lha ]] then lha e "$1" elif which aunpack > /dev/null 2>&1 then aunpack "$@" return $? else print "Unknown archive type: $1" return 1 fi fi if [[ $do_cd == 1 ]] then current_dirs=(*(N/)) for i in {1..${#current_dirs}} do if [[ $current_dirs[$i] != "$old_dirs[$i]" ]] then cd "$current_dirs[$i]" ls break fi done fi }