#!/bin/sh
#
#
# Author:      Bernhard Kuehl
#              Universitaet Osnabrueck
#              Mon Jun 23 14:27:30 MET DST 1997
# File:        getGroupId
# Description:
#

PATH=/usr/local/gnu/bin:/usr/bin:/bin
export PATH

fatal() # message
{	echo >&2 `basename $0`: "$@"
	exit 1
}

case $#
in	0)	fatal "`basename $0`: `basename $0` groupname [groupname ...]"
esac

ypcat group > /dev/null
[ $? != 0 ] && fatal "problems with ypcat group"

ypcat group | gawk -F: '
	BEGIN	{	n=ARGC
				for ( i = 1; i < ARGC; i ++ )	{
					group[i]=ARGV[i]
					number[i]=0
					ARGV[i] = ""
				}
			}
			{	for ( i = 1; i < n; i ++ )
					if ( group[i] == $1 )
						number[i]=$3
			}
	END		{	
				found=0
				for ( i = 1; i < n; i ++ )
					if(number[i]!=0) {
						printf "GID_%s=%d; ",group[i],number[i]
						found=1
					}
					else
						print group[i],"is not a correct groupname" | "cat 1>&2"
				if(found)
					print ""
			}
' ${1+"$@"}