>>>>> "CN" == Chris Nehren <c.nehren/beginn...@shadowcat.co.uk> writes:
CN> On Wed, Jun 01, 2011 at 12:00:36 -0400 , Uri Guttman wrote: >> also the use of // for defined or is relatively recent in perl. be >> careful when using it as it may not work in the version you have >> installed or in production. CN> Relatively recent meaning 3.5 years old, and released in a version of CN> perl that has been officially EOLd by the perl5 porters (giving way to CN> 5.12 and 5.14). It's only an issue if you're on an old, not-updated CN> RedHat, an ancient Debian (old-old stable, maybe older still), or an old CN> Solaris. Maybe some other rather older systems. and i was doing a project this past year (aug 2010 - mar 2011) where i used // in my code since it was fine on my machine. i had to remove it since the production server was running 5.8 and the boss wouldn't upgrade it. not much i could do about that. // is cool but is a minor improvement you can work around very easily. and || is usually fine for that if you design your var not to have 0 or '' for a possible value. so the need for // is minimal but it is still cool to have. uri -- Uri Guttman ------ u...@stemsystems.com -------- http://www.sysarch.com -- ----- Perl Code Review , Architecture, Development, Training, Support ------ --------- Gourmet Hot Cocoa Mix ---- http://bestfriendscocoa.com --------- -- To unsubscribe, e-mail: beginners-unsubscr...@perl.org For additional commands, e-mail: beginners-h...@perl.org http://learn.perl.org/
