Depends, have a look at seek and tell

Or maybe you want to read in larger chunks...

?

Cheers Rolf

PS: Je suis Charlie!

PS:

> Does while has to parse through all the lines it has already read to go to the next unread line or something like that?

Not if you open the file just once!


In reply to Re: How does the while works in case of Filehandle when reading a gigantic file in Perl by LanX
in thread How does the while works in case of Filehandle when reading a gigantic file in Perl by raj4489

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