share/zoneinfo/yearistype.sh

   1 #! /bin/sh
   2
   3 # $FreeBSD: src/share/zoneinfo/yearistype.sh,v 1.1.2.3.8.1 2000/10/25 19:44:09 wollman Exp $
   4
   5 : '@(#)yearistype.sh    7.7'
   6
   7 case $#-$1 in
   8         2-|2-0*|2-*[!0-9]*)
   9                 echo "$0: wild year - $1" >&2
  10                 exit 1 ;;
  11 esac
  12
  13 case $#-$2 in
  14         2-even)
  15                 case $1 in
  16                         *[24680])                       exit 0 ;;
  17                         *)                              exit 1 ;;
  18                 esac ;;
  19         2-nonpres|2-nonuspres)
  20                 case $1 in
  21                         *[02468][048]|*[13579][26])     exit 1 ;;
  22                         *)                              exit 0 ;;
  23                 esac ;;
  24         2-odd)
  25                 case $1 in
  26                         *[13579])                       exit 0 ;;
  27                         *)                              exit 1 ;;
  28                 esac ;;
  29         2-uspres)
  30                 case $1 in
  31                         *[02468][048]|*[13579][26])     exit 0 ;;
  32                         *)                              exit 1 ;;
  33                 esac ;;
  34         2-*)
  35                 echo "$0: wild type - $2" >&2 ;;
  36 esac
  37
  38 echo "$0: usage is $0 year even|odd|uspres|nonpres|nonuspres" >&2
  39 exit 1