Hi harangzsolt33,

The only reason I like to keep my scripts compatible with Perl 5.004 is because that way they work on the earliest Perl interpreter I have in my possession. ... And having a script that can run on anything is great. It's one less thing to worry about.

Okay, but that just begs the question: why do you want to support legacy versions of the perl interpreter? Upgrading to shiny new1 versions gives you at least three benefits:

With a few minor exceptions,2 your old scripts should still run fine on the more modern perl interpreters.

I have played around a lot with string variables and I noticed that if I have a very large string in a sub, exiting the sub will not destroy the big string in memory! ... and doing undef $VARIABLE causes Perl to free up that memory.

Are you sure you were using lexical variables when you observed this?

The super long sub is actually an experiment. I wrote a short one, and I noticed that there are a lot of variables, and passing them around to sub routines is no fun. ... So, I've tried to break up this sub into 5-6 smaller sub-routines, and the result is not nice. The code didn't look pretty. So, I don't know what to do...

That’s a pretty good indication that an object oriented approach is called for.

1Well, new-ish. The latest poll made me realise that my version of Strawberry Perl (the newest they offer) is now two years out of date. :-(
2For example, on newer versions (5.26 and later) the current directory . is no longer included in @INC by default. This is actually a Good Thing.

Cheers,

Athanasius <°(((>< contra mundum סתם עוד האקר של פרל,

In reply to Re^3: Convert BMP to HTML by Athanasius
in thread Convert BMP to HTML by harangzsolt33

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