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> I can run THE SAME CODE on DOS, BeOS, Amiga, Atari ST, any of the BSDs, Linux distros, macOS, OS X, Windows, HP/UX, SunOS, Solaris, IRIX, OSF/1, Tru64, z/OS, Android, classic Mac, and more.

No, you really can't. Not anything significant anyway. There are too many deviations between some of those systems to all you to run the same code.

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Honestly, the main difference I run into is just file paths, and that’s easy to sidestep ( https://perldoc.perl.org/File::Spec ).

There are differences, but they’re usually esoteric ( https://perldoc.perl.org/perlport#PLATFORMS ).

Yes, I really can, and with the same number or fewer OS-specific checks than the equivalent C program.

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