27 lines
509 B
Bash
27 lines
509 B
Bash
#! /bin/sh
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: '@(#)yearistype.sh 7.4'
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case $#-$2 in
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2-even) case $1 in
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*[24680]) exit 0 ;;
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*) exit 1 ;;
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esac ;;
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2-nonpres) case $1 in
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*[02468][048]|*[13579][26]) exit 1 ;;
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*) exit 0 ;;
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esac ;;
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2-odd) case $1 in
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*[13579]) exit 0 ;;
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*) exit 1 ;;
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esac ;;
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2-uspres) case $1 in
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*[02468][048]|*[13579][26]) exit 0 ;;
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*) exit 1 ;;
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esac ;;
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2-*) echo "$0: wild type - $2" >&2
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exit 1 ;;
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*) echo "$0: usage is $0 year type" >&2
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exit 1 ;;
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esac
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