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