#!/bin/sh
#                          B R L M A N
# BRL-CAD
#
# Copyright (c) 1991-2006 United States Government as represented by
# the U.S. Army Research Laboratory.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
#
# 3. The name of the author may not be used to endorse or promote
# products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
# GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
###
#
#  A substitute for the "man" command for those systems that do not
#  have NROFF.  Henry Spencer's "nroff -man" replacement called AWF
#  is used instead.
#
#  Michael John Muuss, BRL, 23-June-1991.
#
#  @(#) $Header: /cvsroot/brlcad/brlcad/src/brlman/brlman.in,v 1.4 2006/01/18 06:46:12 brlcad Exp $ (BRL)
path_to_this="`dirname $0`"

if test $# -lt 1 ; then
	echo "Usage: $0 command"
	echo "  To obtain help about that command"
	exit 1
fi

PATH=$path_to_this:/usr/solariscad/bin:/bin:/usr/bin:/usr/brlcad/bin ; export PATH

# Use MANPAGER, else use PAGER, else use "more" command.
MORE="more -s -f"
if test "$PAGER" != "" ; then
	MORE="${PAGER}"
fi
if test "${MANPAGER}" != "" ; then
	MORE="${MANPAGER}"
fi

# Ensure that MANPATH is set and has BRL-CAD materials man dirs listed first.

if test -d "/usr/solariscad/share/brlcad/7.8.4/man" ; then
    MANPATH="/usr/solariscad/share/brlcad/7.8.4/man:$MANPATH"
fi
if test -d "${path_to_this}/../share/brlcad/7.8.4/man" ; then
    MANPATH="${path_to_this}/../share/brlcad/7.8.4/man:$MANPATH"
fi
if test -d "${path_to_this}/../man" ; then
    MANPATH="${path_to_this}/../man:$MANPATH"
fi
if test -d "${datarootdir}/man" ; then
    MANPATH="${datarootdir}/man:$MANPATH"
fi
if test -d "/usr/solariscad/man" ; then
    MANPATH="/usr/solariscad/man:$MANPATH"
fi

PATH_ELEMENTS=`echo ${MANPATH} | sed 's/^://
				s/:://g
				s/:$//
				s/:\\.:/:/g
				s/:/ /g'`

for PLACE in ${PATH_ELEMENTS} ; do
	PATTERN="${PLACE}/man?/$1.?"
	TRY=`eval echo ${PATTERN}`
	if test "${TRY}" != "${PATTERN}" ; then
		# Found something(s), format it/them
		echo ${TRY}
		awf -man ${TRY} | ${MORE}
		if test "x$?" = "x0" ; then
		    break
		fi
	fi
done

exit 0