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- alias x=extract
- extract() {
- setopt localoptions noautopushd
- if (( $# == 0 )); then
- cat >&2 <<'EOF'
- Usage: extract [-option] [file ...]
- Options:
- -r, --remove Remove archive after unpacking.
- EOF
- fi
- local remove_archive=1
- if [[ "$1" == "-r" ]] || [[ "$1" == "--remove" ]]; then
- remove_archive=0
- shift
- fi
- local pwd="$PWD"
- while (( $# > 0 )); do
- if [[ ! -f "$1" ]]; then
- echo "extract: '$1' is not a valid file" >&2
- shift
- continue
- fi
- local success=0
- local file="$1" full_path="${1:A}"
- local extract_dir="${1:t:r}"
- # If there's a file or directory with the same name as the archive
- # add a random string to the end of the extract directory
- if [[ -e "$extract_dir" ]]; then
- local rnd="${(L)"${$(( [##36]$RANDOM*$RANDOM ))}":1:5}"
- extract_dir="${extract_dir}-${rnd}"
- fi
- # Create an extraction directory based on the file name
- command mkdir -p "$extract_dir"
- builtin cd -q "$extract_dir"
- echo "extract: extracting to $extract_dir" >&2
- case "${file:l}" in
- (*.tar.gz|*.tgz)
- (( $+commands[pigz] )) && { tar -I pigz -xvf "$full_path" } || tar zxvf "$full_path" ;;
- (*.tar.bz2|*.tbz|*.tbz2)
- (( $+commands[pbzip2] )) && { tar -I pbzip2 -xvf "$full_path" } || tar xvjf "$full_path" ;;
- (*.tar.xz|*.txz)
- (( $+commands[pixz] )) && { tar -I pixz -xvf "$full_path" } || {
- tar --xz --help &> /dev/null \
- && tar --xz -xvf "$full_path" \
- || xzcat "$full_path" | tar xvf - } ;;
- (*.tar.zma|*.tlz)
- tar --lzma --help &> /dev/null \
- && tar --lzma -xvf "$full_path" \
- || lzcat "$full_path" | tar xvf - ;;
- (*.tar.zst|*.tzst)
- tar --zstd --help &> /dev/null \
- && tar --zstd -xvf "$full_path" \
- || zstdcat "$full_path" | tar xvf - ;;
- (*.tar) tar xvf "$full_path" ;;
- (*.tar.lz) (( $+commands[lzip] )) && tar xvf "$full_path" ;;
- (*.tar.lz4) lz4 -c -d "$full_path" | tar xvf - ;;
- (*.tar.lrz) (( $+commands[lrzuntar] )) && lrzuntar "$full_path" ;;
- (*.gz) (( $+commands[pigz] )) && pigz -dk "$full_path" || gunzip -k "$full_path" ;;
- (*.bz2) bunzip2 "$full_path" ;;
- (*.xz) unxz "$full_path" ;;
- (*.lrz) (( $+commands[lrunzip] )) && lrunzip "$full_path" ;;
- (*.lz4) lz4 -d "$full_path" ;;
- (*.lzma) unlzma "$full_path" ;;
- (*.z) uncompress "$full_path" ;;
- (*.zip|*.war|*.jar|*.ear|*.sublime-package|*.ipa|*.ipsw|*.xpi|*.apk|*.aar|*.whl) unzip "$full_path" ;;
- (*.rar) unrar x -ad "$full_path" ;;
- (*.rpm)
- rpm2cpio "$full_path" | cpio --quiet -id ;;
- (*.7z) 7za x "$full_path" ;;
- (*.deb)
- command mkdir -p "control" "data"
- ar vx "$full_path" > /dev/null
- builtin cd -q control; extract ../control.tar.*
- builtin cd -q ../data; extract ../data.tar.*
- builtin cd -q ..; command rm *.tar.* debian-binary ;;
- (*.zst) unzstd "$full_path" ;;
- (*.cab|*.exe) cabextract "$full_path" ;;
- (*.cpio|*.obscpio) cpio -idmvF "$full_path" ;;
- (*.zpaq) zpaq x "$full_path" ;;
- (*.zlib) zlib-flate -uncompress < "$full_path" > "${file:r}" ;;
- (*)
- echo "extract: '$file' cannot be extracted" >&2
- success=1 ;;
- esac
- (( success = success > 0 ? success : $? ))
- (( success == 0 && remove_archive == 0 )) && command rm "$full_path"
- shift
- # Go back to original working directory
- builtin cd -q "$pwd"
- # If content of extract dir is a single directory, move its contents up
- # Glob flags:
- # - D: include files starting with .
- # - N: no error if directory is empty
- # - Y2: at most give 2 files
- local -a content
- content=("${extract_dir}"/*(DNY2))
- if [[ ${#content} -eq 1 && -d "${content[1]}" ]]; then
- # The extracted folder (${content[1]}) may have the same name as $extract_dir
- # If so, we need to rename it to avoid conflicts in a 3-step process
- #
- # 1. Move and rename the extracted folder to a temporary random name
- # 2. Delete the empty folder
- # 3. Rename the extracted folder to the original name
- if [[ "${content[1]:t}" == "$extract_dir" ]]; then
- # =(:) gives /tmp/zsh<random>, with :t it gives zsh<random>
- local tmp_dir==(:); tmp_dir="${tmp_dir:t}"
- command mv "${content[1]}" "$tmp_dir" \
- && command rmdir "$extract_dir" \
- && command mv "$tmp_dir" "$extract_dir"
- # Otherwise, if the extracted folder name already exists in the current
- # directory (because of a previous file / folder), keep the extract_dir
- elif [[ ! -e "${content[1]:t}" ]]; then
- command mv "${content[1]}" . \
- && command rmdir "$extract_dir"
- fi
- elif [[ ${#content} -eq 0 ]]; then
- command rmdir "$extract_dir"
- fi
- done
- }
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