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Diffstat (limited to 'yearistype.sh')
| -rw-r--r-- | yearistype.sh | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/yearistype.sh b/yearistype.sh deleted file mode 100644 index d674175..0000000 --- a/yearistype.sh +++ /dev/null @@ -1,39 +0,0 @@ -#! /bin/sh -: 'Determine whether year is of appropriate type (this file is obsolete).' - -: '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 |