yearistype.sh revision 2744 
1#! /bin/sh
2
3: '@(#)yearistype.sh	7.2'
4
5case $#-$2 in
6	2-odd)	case $1 in
7			*[13579])	exit 0 ;;
8			*)		exit 1 ;;
9		esac ;;
10	2-even)	case $1 in
11			*[24680])	exit 0 ;;
12			*)		exit 1 ;;
13		esac ;;
14	2-*)	echo "$0: wild type - $2" >&2
15		exit 1 ;;
16	*)	echo "$0: usage is $0 year type" >&2
17		exit 1 ;;
18esac
19