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#! /bin/sh
#
# Copyright (C) 2001, 2003 Free Software Foundation, Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# This program creates a program's manual from the .x skeleton and its --help
# output.
update=
while true; do
case "$1" in
--update) update=yes; shift;;
*) break;;
esac
done
if test $# != 5; then
echo "Usage: x-to-1 [OPTIONS] PERL HELP2MAN executable program.x program.1" 1>&2
exit 1
fi
PERL="$1"
HELP2MAN="$2"
executable="$3"
aux="$4"
output="$5"
progname=`basename $aux .x`
case "$PERL" in *"/missing perl") perlok=no;; *) perlok=yes;; esac
if test @CROSS_COMPILING@ = no && test -f $executable && test $perlok = yes; then
echo "Updating man page $output"
echo "$HELP2MAN --include=$aux $executable > $output"
rm -f t-$progname.1
$HELP2MAN --include=$aux $executable > t-$progname.1 || exit 1
if test -n "$update"; then
# In --update mode, don't overwrite the output if nothing would change.
if cmp t-$progname.1 $output >/dev/null 2>&1; then
rm -f t-$progname.1
else
mv t-$progname.1 $output
fi
else
mv t-$progname.1 $output
fi
else
echo "WARNING: The man page $output cannot be updated yet."
fi
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