diff options
Diffstat (limited to 'examples/axes-time-zones/tz/yearistype.sh')
| -rw-r--r-- | examples/axes-time-zones/tz/yearistype.sh | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/examples/axes-time-zones/tz/yearistype.sh b/examples/axes-time-zones/tz/yearistype.sh new file mode 100644 index 0000000..bdc6e58 --- /dev/null +++ b/examples/axes-time-zones/tz/yearistype.sh @@ -0,0 +1,38 @@ +#! /bin/sh + +: 'This file is in the public domain, so clarified as of' +: '2006-07-17 by Arthur David Olson.' + +case $#-$1 in + 2-|2-0*|2-*[!0-9]*) + echo "$0: wild year - $1" >&2 + exit 1 ;; +esac + +case $#-$2 in + 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 ;; +esac + +echo "$0: usage is $0 year even|odd|uspres|nonpres|nonuspres" >&2 +exit 1 |