#!/bin/sh
#
############################################################################
#
# MODULE:	g.mlist
# AUTHOR(S):	Huidae Cho - grass4u@gmail.com
# PURPOSE:	applied regular expression and wildcard to g.list
# COPYRIGHT:	(C) 2000 by the GRASS Development Team
#
#		This program is free software under the GNU General Public
#		License (>=v2). Read the file COPYING that comes with GRASS
#		for details.
#
#############################################################################

#%Module
#%  description: Apply regular expressions and wildcards to g.list
#%  keywords: general, map management 
#%End
#%flag
#%  key: r
#%  description: use regular expression instead of wildcard
#%end
#%flag
#%  key: m
#%  description: print mapset name
#%end
#%option
#% key: type
#% type: string
#% description: data type
#% answer: rast
#% options: rast,rast3d,oldvect,vect,asciivect,icon,labels,sites,region,region3d,group,3dview
#% required : yes
#%end
#%option
#% key: mapset
#% type: string
#% multiple : yes
#% description: mapset(s) to list (default: current mapset search path)
#% required : no
#%end
#%option
#% key: sep
#% type: string
#% description: output separator (default: newline)
#% required : no
#%end
#%option
#% key: pattern
#% type: string
#% description: map name search pattern, must be 'quoted'. (default: all)
#% answer: *
#% required : no
#%end

do_list() {
    list=""
    for i in `g.list type=$type mapset=$mapset | grep -v '^-\+$' | grep -v "files available" | grep -vi "mapset"`
    do
        if [ ! "$search" ] ; then
    	list="$list $i"
        else
    	list="$list `echo $i | grep \"$search\"`"
        fi
    done

    if [ ! "$list" ] ; then
	return
    fi

    sorted_list=`echo "$list" | tr ' ' '\n' | sort | tr '\n' ' '`

    if [ $GIS_FLAG_M -eq 1 ] ; then
	MAPSET="@$mapset"
    else
	MAPSET=""
    fi
    i=""
    for i in $sorted_list
    do
        if [ "$start" ] ; then
    	if [ ! "$sep" ] ; then
    	    printf "\n"
    	else
    	    printf "%s" "$sep"
    	fi
        fi
        start=1
        printf "%s" "$i$MAPSET"
    done
}


if test "$GISBASE" = ""; then
    echo "You must be in GRASS GIS to run this program." >&2
    exit 1
fi

if [ "$1" != "@ARGS_PARSED@" ] ; then
    exec g.parser "$0" "$@"
fi

#echo "Note:"
#echo "  Do not forget to enclose expression with '...' to avoid being expanded"
#echo "  by the shell first."

type="$GIS_OPT_TYPE"
mapset="$GIS_OPT_MAPSET"
sep="$GIS_OPT_SEP"
search="$GIS_OPT_PATTERN"

if [ -z "$sep" ] ; then
#    echo using "\n" as separator
    sep=""
fi


if [ $GIS_FLAG_R -ne 1 ] ; then
#    echo wildcard
    search="^`echo \"$search\" | sed 's/\./\\\\./g; s/?/./g; s/*/.*/g; s/|/$|^/g'`$"
#else
#    echo regex, as is
fi

start=""
if [ -z "$mapset" ] ; then
#    echo using current mapset
    mapsets=`g.mapsets -p`
else
    mapsets=`echo $mapset | sed 's/,/ /g'`
fi

for mapset in $mapsets
do
    do_list
done

if [ "$start" ] ; then
    echo ""
fi

exit 0