Reading the file line-by-line is not going to be the most efficient way, esp. if the file is large. Instead you could read the file in blocks and count the newline characters 

local $/=\102400;
while(<FILE>) { $count += tr/\n// }

[download]

This example reads in chunks of 100K.

In reply to Re: Re: Looking for a better way to get the number of lines in a file... by gbarr
in thread Looking for a better way to get the number of lines in a file... by coec

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