minix/share/zoneinfo/yearistype.sh

42 lines
745 B
Bash
Raw Normal View History

#! /bin/sh
2012-01-16 12:03:25 +01:00
#
# $NetBSD: yearistype.sh,v 1.7 2012/07/22 10:40:29 apb Exp $
2012-01-16 12:03:25 +01:00
#
: 'This file is in the public domain, so clarified as of'
: '2006-07-17 by Arthur David Olson.'
case $#-$1 in
2-|2-0*|2-*[!0-9]*)
echo "$0: wild year - $1" >&2
exit 1 ;;
esac
case $#-$2 in
2-even)
case $1 in
*[24680]) exit 0 ;;
*) exit 1 ;;
esac ;;
2-nonpres|2-nonuspres)
case $1 in
*[02468][048]|*[13579][26]) exit 1 ;;
*) exit 0 ;;
esac ;;
2-odd)
case $1 in
*[13579]) exit 0 ;;
*) exit 1 ;;
esac ;;
2-uspres)
case $1 in
*[02468][048]|*[13579][26]) exit 0 ;;
*) exit 1 ;;
esac ;;
2-*)
echo "$0: wild type - $2" >&2 ;;
esac
echo "$0: usage is $0 year even|odd|uspres|nonpres|nonuspres" >&2
exit 1