On 26Apr2013 09:12, Patrick O'Callaghan <pocallag...@gmail.com> wrote: | On Fri, 2013-04-26 at 15:36 +0300, Cristian Sava wrote: | > Webalizer is enabled via /etc/sysconfig/webalizer but I don't understand | > why /etc/cron.daily/00webalizer has this line: | > | > [ "z$WEBALIZER_CRON" != "zyes" ] && exit 0 | > | > that I think it should be (and it is working this way) | > | > [ "$WEBALIZER_CRON" != "yes" ] && exit 0 | > | > What is the mistery? | | 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. -- Cameron Simpson <c...@zip.com.au> Please send me text instead of PDF. http://www.complang.tuwien.ac.at/anton/why-not-pdf.html -- users mailing list users@lists.fedoraproject.org To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org
