F18, F19 webalizer problem?

[Cameron Simpson]

On 27Apr2013 16:41, Mike Wright <mike.wright at mailinator.com> wrote:
| 04/27/2013 03:49 PM, Cameron Simpson wrote:
| >On 26Apr2013 09:12, Patrick O'Callaghan <pocallaghan at gmail.com> wrote:
| >| On Fri, 2013-04-26 at 15:36 +0300, Cristian Sava wrote:
| >| > [ "z$WEBALIZER_CRON" != "zyes" ] && exit 0
[...]
| >| The "z$Foo" != "zbar" style is idiomatic in Shell scripts. I think it's
| >| to ensure portability between Shells with slightly different expression
| >| rules.
| >
| >In particular it avoids issues where $WEBALIZER_CRON looks like a test
| >operator such as "-z" or something unfortunate.
| 
| Also there may be situations where $SOME_VAR evaluates to null.
| Then a test looks like [ != "something" ] which is guaranteed to
| break.

It's quoted. That will stop it vanishing.
-- 
Cameron Simpson <cs at zip.com.au>

rap on ...
http://slashdot.org/comments.pl?sid=10504&cid=439201