c0dbee2000-08-01Mirar (Pontus Hagland) #! /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