On Wed, Jun 12, 2013 at 04:57:38PM -0500, Ryan Schmidt wrote: > > I would guess that most programmers who wrote "==" in Tcl didn't realize it > was a numeric comparison operator. It certainly wasn't clear to me, since it > works correctly on most strings. That kind of thing trips me up in bash > scripting as well. In addition to base, most Portfiles get this wrong too. > It's even all over our recommended code snippets in the PortfileRecipes wiki > page. >
To be precise, "==" is an all-purpose comparison operator which prefers numeric comparisons. To improve code quality, I think the best policy, rather than emphasizing the superficial similarities between Tcl and sh or C syntax, is to highlight the uniquely elegant features and idioms of Tcl syntax. I've mastered some of the deepest darkest corners of bash syntax (got some creds in ABS), and it's one of my ongoing regrets. If only I could get those years back and put them into Tcl instead! Bash never became fun, but coding in Tcl only gets more satisfying. -- Yorick _______________________________________________ macports-dev mailing list macports-dev@lists.macosforge.org https://lists.macosforge.org/mailman/listinfo/macports-dev
