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#
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# Extracts the contents of archives.
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#
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# Authors:
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# Sorin Ionescu <sorin.ionescu@gmail.com>
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#
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local remove_archive
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local success
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local file_name
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local extract_dir
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if (( $# == 0 )); then
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cat >&2 <<EOF
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usage: $0 [-option] [file ...]
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options:
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-r, --remove remove archive
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Report bugs to <sorin.ionescu@gmail.com>.
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EOF
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fi
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remove_archive=1
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if [[ "$1" == "-r" || "$1" == "--remove" ]]; then
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remove_archive=0
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shift
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fi
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while (( $# > 0 )); do
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if [[ ! -s "$1" ]]; then
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print "$0: file not valid: $1" >&2
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shift
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continue
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fi
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success=0
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file_name="${1:t}"
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extract_dir="${file_name:r}"
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case "$1:l" in
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(*.tar.gz|*.tgz) tar xvzf "$1" ;;
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(*.tar.bz2|*.tbz|*.tbz2) tar xvjf "$1" ;;
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(*.tar.xz|*.txz) tar --xz --help &> /dev/null \
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&& tar --xz -xvf "$1" \
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|| xzcat "$1" | tar xvf - ;;
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(*.tar.zma|*.tlz) tar --lzma --help &> /dev/null \
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&& tar --lzma -xvf "$1" \
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|| lzcat "$1" | tar xvf - ;;
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(*.tar) tar xvf "$1" ;;
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(*.gz) gunzip "$1" ;;
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(*.bz2) bunzip2 "$1" ;;
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(*.xz) unxz "$1" ;;
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(*.lzma) unlzma "$1" ;;
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(*.Z) uncompress "$1" ;;
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(*.zip) unzip "$1" -d $extract_dir ;;
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(*.rar) unrar &> /dev/null \
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&& unrar x -ad "$1" \
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|| rar x -ad "$1" ;;
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(*.7z) 7za x "$1" ;;
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(*.deb)
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mkdir -p "$extract_dir/control"
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mkdir -p "$extract_dir/data"
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cd "$extract_dir"; ar vx "../${1}" > /dev/null
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cd control; tar xzvf ../control.tar.gz
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cd ../data; tar xzvf ../data.tar.gz
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cd ..; rm *.tar.gz debian-binary
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cd ..
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;;
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(*)
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print "$0: cannot extract: $1" >&2
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success=1
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;;
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esac
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(( success = $success > 0 ? $success : $? ))
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(( $success == 0 )) && (( $remove_archive == 0 )) && rm "$1"
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shift
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done
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