NetBSD/share/zoneinfo/yearistype.sh

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#! /bin/sh
#
# $NetBSD: yearistype.sh,v 1.3 2000/08/11 12:03:21 kleink Exp $
#
: '@(#)yearistype.sh 7.6'
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