addvar()
{
#
# SPD Sep 97
# Add a path to a shell *PATH variable only if it isn't already there
#
	if [ "_" == "_"`eval "echo \\${${1}:-}"` ]
	then
		eval "$1=$2"

	else
		expr `eval "echo :\\$${1}"` : \
		"\([^:]*:\)\{0,\}\($2\)\(:[^:]*\)\{0,\}" >/dev/null 2>&1 ||\
		eval "$1=\$${1}:$2"
	fi
}


#addvar PATH /usr/java/bin
#addvar PATH /usr/local/orbeline/bin