I didn't think of that one, thanks! What version of Perl are you using? Unfortunately on my machine with v5.24.1, the filehandle method is still slightly slower than split:

5.024001
             Rate      regex      index filehandle      split
regex      9.65/s         --        -7%       -34%       -39%
index      10.4/s         8%         --       -29%       -34%
filehandle 14.6/s        51%        40%         --        -7%
split      15.7/s        63%        51%         8%         --

[download]

I haven't yet gotten around to experimenting with other versions of Perl.

In reply to Re^2: Is foreach split Optimized? by haukex
in thread Is foreach split Optimized? (Update: No.) by haukex

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