gmdiff


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#!/bin/sh
# Copyright (c) 2013 Ingo Schwarze <schwarze@openbsd.org>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

if [ `id -u` -eq 0 ]; then
  echo "$0: do not run me as root"
  exit 1
fi

if [ $# -eq 0 ]; then
  echo "usage: $0 manual_source_file ..."
  exit 1
fi

while [ -n "$1" ]; do
  file=$1
  shift
  echo " ========== $file ========== "
  tbl $file | groff -mandoc -Tascii -P -c 2>&1 > /tmp/groff.out
  mandoc -Ios='OpenBSD ports' -Werror $file 2>&1 > /tmp/mandoc.out
  diff -au /tmp/groff.out /tmp/mandoc.out 2>&1
done

exit 0