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Perl portability is a bigger subject than your meditation gives credit for. Although to my mind you have just scratched the surface, I fully approve of your meditation, and any call to arms on portability.

I have spoken about this subject at several YAPC conferences, workshops and perlmonger tech talks, see You're welcome to use any material from these slides, suitably acknowledged. You can quote the URL as I have no plans to move it. Also, if you have any feedback or corrections, please let me know.

Some specific comments

Section 1.2 is not correct - it's not just a case of the direction of your slashes, but whether your filename is using native syntax or POSIX syntax. Have a look at VMS filenames for a bizarre native syntax.

When it comes to running perl scripts and one-liners on Windows, pl2bat is worth a mention, as is PAR. Also, on Windows I nearly always turn off the file association between .pl and perl, as usually when browsing directories and websites, I don't want to run a .pl, I want to look at it.


Oh Lord, won’t you burn me a Knoppix CD ?
My friends all rate Windows, I must disagree.
Your powers of persuasion will set them all free,
So oh Lord, won’t you burn me a Knoppix CD ?
(Missquoting Janis Joplin)

In reply to Re: RFC: A Primer on Writing Portable Perl Programs by rinceWind
in thread RFC: A Primer on Writing Portable Perl Programs by yumpy

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