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#!/bin/sh
# man - a simple man program for ASCII pages
# Copyright (c) 2008 Matthew Hiles
#
# Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
## requires: find, head, sort, tr, cat, and grep/egrep
## optional: zcat, bzcat, less
if [ -z "$MANPATH" ]; then
echo "Warning: MANPATH is not set, assuming /usr/share/man." >&2
MANPATH=/usr/share/man
fi
case $# in
1)
pagearg=$1 ;;
2)
section=man$1
pagearg=$2 ;;
*)
echo "Usage: man [section] <manpage>"
exit
esac
paths=`echo "$MANPATH" | tr ":" " "`
pagefile=`find $paths | grep "/$section" | grep "/$pagearg\." | sort | head -n1`
if [ -z "$pagefile" ]; then
echo -n No manual entry for $pagearg
[ $section ] && echo -n " in section $1 of the manual."
echo
exit
fi
[ "$PAGER" ] || PAGER=less
tty -s <&1 || PAGER=cat
MANWIDTH=${MANWIDTH:-78}
if [ $MANWIDTH = 0 ]; then
MANWIDTH=$(($(stty size | awk '{print $2}') - 2))
fi
case "$pagefile" in
*.bz2)
exec bzcat "$pagefile" | mandoc -Tutf8 -Owidth=$MANWIDTH | "$PAGER" ;;
*.gz)
exec zcat "$pagefile" | mandoc -Tutf8 -Owidth=$MANWIDTH | "$PAGER" ;;
*)
exec mandoc -Tutf8 -Owidth=$MANWIDTH "$pagefile" | "$PAGER" ;;
esac
paths=
pagefile=
pagearg=
section=
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