[src/trunk]: src/games/wtf Don't skip the superfluous "is" argument if it's n...

[pgoyette <pgoyette%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/accf0a92ebb8
branches:  trunk
changeset: 829107:accf0a92ebb8
user:      pgoyette <pgoyette%NetBSD.org@localhost>
date:      Wed Jan 17 03:03:59 2018 +0000

description:
Don't skip the superfluous "is" argument if it's not superfluous!

This allows us to use `wtf is` and get information for the acronym "is"
and produces the same output as `wtf is is` withough requiring the extra
typing by the user.

diffstat:

 games/wtf/wtf |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (22 lines):

diff -r e21382296ca5 -r accf0a92ebb8 games/wtf/wtf
--- a/games/wtf/wtf     Wed Jan 17 02:45:38 2018 +0000
+++ b/games/wtf/wtf     Wed Jan 17 03:03:59 2018 +0000
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-#      $NetBSD: wtf,v 1.21 2015/04/21 23:56:30 christos Exp $
+#      $NetBSD: wtf,v 1.22 2018/01/17 03:03:59 pgoyette Exp $
 #
 # Public domain
 #
@@ -30,7 +30,9 @@
 shift "$(expr "$OPTIND" - 1)"
 
 if [ "$1" = "is" ]; then
-       shift
+       if [ $# -gt 1 ] ; then
+               shift
+       fi
 fi
 
 if [ -z "$1" ]; then