Re: Performance question with a string concat
Simon von Janowsky <mail@xxxxxxxxxx> wrote:
> Hello,
> I want to let grow a string variable within a loop.
> A non-interpolated string '' is said to be faster than the usual ""
> string. Disadvantage of the non-interpolated string is that \n is not
> recognized.
>
> Now, what would be faster?
>
> a.)
> my $out;
> for (my $c = 0; c < 100; c++)
> {
> $out .= "variable=\"value\" \n";
> }
>
> oder b.)
> my $out;
> for (my $c = 0; c < 100; c++)
> {
> $out .= 'variable="value"' . "\n";
> }
Those seem to compile down to the same thing (except that one has
a space before the \n and the other doesn't) so they should have the same
speed.
>
> And what if interpolation is needed?
Try it and see.
Xho
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