Thank you for the explanation and insight! Straight from the mouth of the Badger no less! One of the loveliest things about the Perl community is that the luminaries are willing to take the time to help a knucklehead like me out!
Much obliged! David Martin NolaFlash.com Web Design, Programming and Hosting 4600 S Tonti St NO LA 70125 504.583.3755 > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:templates- > [EMAIL PROTECTED] On Behalf Of Andy Wardley > Sent: Thursday, January 10, 2008 12:05 PM > To: [EMAIL PROTECTED] > Cc: [email protected] > Subject: Re: [Templates] Findng Errors in Template files > > David Martin wrote: > > I have a template with an error in it that I just can't seem to track > > down. > > Hi David, > > I see from the replies that you've already got the solution so this is > really just to fill in some of the details for anyone who's interested. > > TT2 doesn't throw errors as exceptions (well, it does internally, but > the process() method hides that from you). So you have to check the > return value from process() and call error() if it's not true to find > out what went wrong. > > With the benefit of 10+ years hindsight, I now know that this is a > mistake. Using return values to indicate errors is almost always a Bad > Thing[tm] because people inevitably forget (or don't know) to check them > (among other reasons). So the process() method in TT3 will instead throw > errors (by default) which will hit you square in the face. Unpleasant as > it is to be walloped in the mush by an unexpected error message, it's > generally better than being left out in the cold wondering what went wrong > (or worse still, not realising that something went wrong at all). > > > I seem to recall from years ago that there is a way to tell the > > TT compiler to compile the template file and in that way discover the > > line number where it breaks? > > Yes, that all happens automagically. When TT compiles the template down > to Perl code it adds #line markers that define the name and line of the > source template from whence it came. Like this: > > #line 22 your/template/name > > Then if an error occurs when the template code is run, Perl will report > the error happening at, for example, line 22 of your/template/name. > > Cheers > A > > _______________________________________________ > templates mailing list > [email protected] > http://mail.template-toolkit.org/mailman/listinfo/templates _______________________________________________ templates mailing list [email protected] http://mail.template-toolkit.org/mailman/listinfo/templates
