NetBSD/share/zoneinfo/yearistype.sh

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#! /bin/sh
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#
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# $NetBSD: yearistype.sh,v 1.4 2000/11/03 11:08:22 kleink Exp $
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#
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: '@(#)yearistype.sh 7.7'
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case $#-$1 in
2-|2-0*|2-*[!0-9]*)
echo "$0: wild year - $1" >&2
exit 1 ;;
esac
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case $#-$2 in
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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 ;;
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esac
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echo "$0: usage is $0 year even|odd|uspres|nonpres|nonuspres" >&2
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exit 1