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prezto/modules/archive/functions/ls-archive

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#
# Lists the contents of popular archive formats.
#
# Authors:
# Sorin Ionescu <sorin.ionescu@gmail.com>
#
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local verbose
if (( $# == 0 )); then
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cat >&2 <<EOF
usage: $0 [-option] [file ...]
options:
-v, --verbose verbose archive listing
Report bugs to <sorin.ionescu@gmail.com>.
EOF
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fi
if [[ "$1" == "-v" || "$1" == "--verbose" ]]; then
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verbose=0
shift
fi
while (( $# > 0 )); do
if [[ ! -s "$1" ]]; then
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print "$0: file not valid: $1" >&2
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shift
continue
fi
case "$1" in
(*.tar.gz|*.tgz) tar t${verbose:+v}vzf "$1" ;;
(*.tar.bz2|*.tbz|*.tbz2) tar t${verbose:+v}jf "$1" ;;
(*.tar.xz|*.txz) tar --xz --help &> /dev/null \
&& tar --xz -t${verbose:+v}f "$1" \
|| xzcat "$1" | tar t${verbose:+v}f - ;;
(*.tar.zma|*.tlz) tar --lzma --help &> /dev/null \
&& tar --lzma -t${verbose:+v}f "$1" \
|| lzcat "$1" | tar x${verbose:+v}f - ;;
(*.tar) tar t${verbose:+v}f "$1" ;;
(*.zip) unzip -l${verbose:+v} "$1" ;;
(*.rar) unrar ${${verbose:+v}:-l} "$1" ;;
(*.7z) 7za l "$1" ;;
(*)
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print "$0: cannot list: $1" >&2
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success=1
;;
esac
shift
done