in reply to alter $/ - but why?

To make your code even more portable, you should replace every "\n" by "\012" (except those "\n" that are printed).

If you don't, your code would not run properly on Mac systems.

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Re^2: alter $/ - but why?
by bart (Canon) on Aug 03, 2005 at 20:38 UTC
    Well, yes and no... actually the tests for bare "\n" and "\r" would work, but the test for "\r\n" would fail (at least, in MacPerl on MacOS Classic). It is advisable to replace "\r\n" and /\r\n/ with "\015\012" and /\015\012/, respectively.
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