NOTE: use Perl; is on undef hiatus. You can read content, but you can't post it. More info will be forthcoming forthcomingly.
All the Perl that's Practical to Extract and Report
--Larry Wall in perl.c from the perl source code
Stories, comments, journals, and other submissions on use Perl; are Copyright 1998-2006, their respective owners.
Notation Hungarian Reverse Perl and (Score:2)
At the heart of it all, Perl has only five types that matter: scalars, arrays, hashes, filehandles and coderefs. (Yes, I skipped two. If you know what they are, you know why I skipped them. ;-) Yes, there are tied variables, but what matters about them is not how their internals differ, but how they automagically hide those internals. And objects are another kettle of fish, but
Re:Notation Hungarian Reverse Perl and (Score:2)
The sigil is only half the battle. Joel's article has a great example of pulling in unsafe data from a Web form. Perl's taint mode aside, we can't always know when it's safe to use a variable. When I was coding CGI apps, I did something like this:
my $_name = $cgi->param('name'); my ($name) = $_name =~ /($untainting_regex)/;
In this case, the sigil tells me nothing about whether or not it's safe to use that variable. If everything untaints, I can shove that data in the database. If it doesn't, I h
Re:Notation Hungarian Reverse Perl and (Score:2)
Crud, I hit 'Submit' instead of 'Preview'. Damn. Someone needs to read The Design of Everyday Things [mit.edu]. (Including me, to be fair.)
Reply to This
Parent