########################################################################
#                                                                      #
#               This software is part of the ast package               #
#          Copyright (c) 1989-2011 AT&T Intellectual Property          #
#                      and is licensed under the                       #
#                 Eclipse Public License, Version 1.0                  #
#                    by AT&T Intellectual Property                     #
#                                                                      #
#                A copy of the License is available at                 #
#          http://www.eclipse.org/org/documents/epl-v10.html           #
#         (with md5 checksum b35adb5213ca9657e911e9befb180842)         #
#                                                                      #
#              Information and Software Systems Research               #
#                            AT&T Research                             #
#                           Florham Park NJ                            #
#                                                                      #
#                 Glenn Fowler <gsf@research.att.com>                  #
#                                                                      #
########################################################################
: gnu locate wrapper for tw

COMMAND=locate
case `(getopts '[-][123:xyz]' opt --xyz; echo 0$opt) 2>/dev/null` in
0123)	ARGV0="-a $COMMAND"
	USAGE=$'
[-?
@(#)$Id: locate (AT&T Labs Research) 1999-01-23 $
]
'$USAGE_LICENSE$'
[+NAME?locate - locate files in pathname database]
[+DESCRIPTION?\blocate\b matches file patterns in a pathname database
	that is updated daily by \bupdatedb\b(1).]
[d:database?File database path.]:[path]
[i:ignorecase?Ignore case in all pattern match expressions.]
[n:show?Show underlying \btw\b(1) command but do not execute.]

pattern ...

[+OPERANDS]{
	[+pattern?One or more file patterns.
		/ is matched by pattern metacharacters.]
}
[+ENVIRONMENT]{
	[+FINDCODES?Path name of locate database.]
	[+LOCATE_PATH?Alternate path name of locate database.]
}
[+FILES]{
	[+lib/find/codes?Default locate database.]
}
[+SEE ALSO?\bupdatedb\b(1), \btw\b(1)]
'
	;;
*)	ARGV0=""
	USAGE="nd:[path] pattern ..."
	;;
esac

usage()
{
	OPTIND=0
	getopts $ARGV0 "$USAGE" OPT '-?'
	exit 2
}

db=
opts=
show=
while	getopts $ARGV0 "$USAGE" OPT
do	case $OPT in
	d)	db="$db:$OPTARG"
		;;
	i)	opts="$opts -I"
		;;
	n)	show="print --"
		;;
	*)	usage
		;;
	esac
done
case $db in
'')	db=${LOCATE_PATH} ;;
esac
case $db in
?*)	db="-F${db#:}" ;;
esac
shift $OPTIND-1
case $# in
0)	usage
	;;
1)	;;
*)	pat=$1
	while	:
	do	shift
		case $# in
		0)	break ;;
		esac
		pat="$pat|$1"
	done
	set -- "$pat"
	;;
esac
$show tw -d / $opts $db -f "$@"