123 lines
3.2 KiB
Bash
Executable File
123 lines
3.2 KiB
Bash
Executable File
#!/bin/sh
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#
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# To use this filter with less, define LESSOPEN:
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# export LESSOPEN="|/usr/bin/lesspipe.sh %s"
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#
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# The script should return zero if the output was valid and non-zero
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# otherwise, so less could detect even a valid empty output
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# (for example while uncompressing gzipped empty file).
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# For backward-compatibility, this is not required by default. To turn
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# this functionality there should be another vertical bar (|) straight
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# after the first one in the LESSOPEN environment variable:
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# export LESSOPEN="||/usr/bin/lesspipe.sh %s"
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if [ ! -e "$1" ] ; then
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exit 1
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fi
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if [ -d "$1" ] ; then
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ls -alF -- "$1"
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exit $?
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fi
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exec 2>/dev/null
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# Allow for user defined filters
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if [ -x ~/.lessfilter ]; then
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~/.lessfilter "$1"
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if [ $? -eq 0 ]; then
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exit 0
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fi
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fi
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manfilter ()
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{
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if test -x /usr/bin/man ; then
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# See rhbz#1241543 for more info. Well, actually we firstly
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# used 'man -l', then we switched to groff, and then we again
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# switched back to 'man -l'.
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/usr/bin/man -P /usr/bin/cat -l "$1"
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elif test -x /usr/bin/groff; then
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# This is from pre-rhbz#1241543-time.
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groff -Tascii -mandoc "$1" | cat -s
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else
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echo "WARNING:"
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echo "WARNING: to better show manual pages, install 'man-db' package"
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echo "WARNING:"
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cat "$1"
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fi
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}
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export MAN_KEEP_FORMATTING=1
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case "$1" in
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*.[1-9n].bz2|*.[1-9]x.bz2|*.man.bz2|*.[1-9n].[glx]z|*.[1-9]x.[glx]z|*.man.[glx]z|*.[1-9n].lzma|*.[1-9]x.lzma|*.man.lzma)
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case "$1" in
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*.gz) DECOMPRESSOR="gzip -dc" ;;
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*.bz2) DECOMPRESSOR="bzip2 -dc" ;;
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*.lz) DECOMPRESSOR="lzip -dc" ;;
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*.xz|*.lzma) DECOMPRESSOR="xz -dc" ;;
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esac
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if [ -n "$DECOMPRESSOR" ] && $DECOMPRESSOR -- "$1" | file - | grep -q troff; then
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$DECOMPRESSOR -- "$1" | manfilter -
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exit $?
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fi ;;&
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*.[1-9n]|*.[1-9]x|*.man)
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if file "$1" | grep -q troff; then
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manfilter "$1"
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exit $?
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fi ;;&
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*.tar) tar tvvf "$1"; exit $? ;;
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*.tgz|*.tar.gz|*.tar.[zZ]) tar tzvvf "$1"; exit $? ;;
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*.tar.xz) tar Jtvvf "$1"; exit $? ;;
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*.xz|*.lzma) xz -dc -- "$1"; exit $? ;;
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*.tar.lz) tar --lzip -tvvf "$1"; exit $? ;;
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*.lz) lzip -dc -- "$1"; exit $? ;;
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*.tar.bz2|*.tbz2) bzip2 -dc -- "$1" | tar tvvf -; exit $? ;;
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*.[zZ]|*.gz) gzip -dc -- "$1"; exit $? ;;
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*.bz2) bzip2 -dc -- "$1"; exit $? ;;
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*.zip|*.jar|*.nbm) zipinfo -- "$1"; exit $? ;;
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# --nomanifest -> rhbz#1450277
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*.rpm) rpm -qpivl --changelog --nomanifest -- "$1"; exit $? ;;
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*.cpi|*.cpio) cpio -itv < "$1"; exit $? ;;
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*.gpg)
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if [ -x /usr/bin/gpg2 ]; then
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gpg2 -d "$1"
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exit $?
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elif [ -x /usr/bin/gpg ]; then
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gpg -d "$1"
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exit $?
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else
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echo "No GnuPG available."
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echo "Install gnupg2 or gnupg to show encrypted files."
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exit 1
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fi ;;
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*.gif|*.jpeg|*.jpg|*.pcd|*.png|*.tga|*.tiff|*.tif)
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if [ -x /usr/bin/identify ]; then
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identify "$1"
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exit $?
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elif [ -x /usr/bin/gm ]; then
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gm identify "$1"
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exit $?
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else
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echo "No identify available"
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echo "Install ImageMagick or GraphicsMagick to browse images"
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exit 1
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fi ;;
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*)
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if [ -x /usr/bin/file ] && [ -x /usr/bin/iconv ] && [ -x /usr/bin/cut ]; then
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case `file -b "$1"` in
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*UTF-16*) conv='UTF-16' ;;
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*UTF-32*) conv='UTF-32' ;;
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esac
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if [ -n "$conv" ]; then
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env=`echo $LANG | cut -d. -f2`
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if [ -n "$env" -a "$conv" != "$env" ]; then
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iconv -f $conv -t $env "$1"
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exit $?
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fi
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fi
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fi
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exit 1
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esac
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