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undef $/ means the rest of the file will be slurped in memory which for a 50 GB file is probably not a good idea, and probably won't be much more efficient than say using $/ = \32768 and a loop.

Stéphane Chazelas
– Stéphane Chazelas

2013-03-03 20:33:00 +00:00
Commented Mar 3, 2013 at 20:33
Run perl with the -i flag and it will do it in situ for you!

alexis
– alexis

2013-03-04 17:59:42 +00:00
Commented Mar 4, 2013 at 17:59
@alexis: not sure how that would go.

Joseph R.
– Joseph R.

2013-03-04 18:03:25 +00:00
Commented Mar 4, 2013 at 18:03
1

See my answer for an example.

alexis
– alexis

2013-03-04 18:10:08 +00:00
Commented Mar 4, 2013 at 18:10

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