Managing very large files

Steve Bertrand iaccounts at
Thu Oct 4 13:16:29 PDT 2007

>> man 1 split
>> (esp. -l)
> That's probably the best option for a one-shot deal like this.  On the
> other hand, Perl itself provides the ability to go through a file one
> line at a time, so you could just read a line, operate, write a line (to
> a new file) as needed, over and over, until you get through the whole
> file.
> The real problem would be reading the whole file into a variable (or even
> multiple variables) at once.

This is what I am afraid of. Just out of curiosity, if I did try to read
the entire file into a Perl variable all at once, would the box panic,
or as the saying goes 'what could possibly go wrong'?


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