[Chicago-talk] Removing "." from a string?

[Eric Ellington]

>    subst:  0 wallclock secs ( 0.91 usr +  0.00 sys =  0.91 CPU) @
>10989010.99/s (n=10000000)
>
>       tr:  1 wallclock secs ( 1.51 usr +  0.00 sys =  1.51 CPU) @
>6622516.56/s (n=10000000)
>
>   'subst' => "\$dotted_quad    =~ s/\D//g;",
>

I am confused. Didn't Andy Bach show that s/// was the quickest in this case?
In what case would tr be quicker?

Eric

On Jan 31, 2008 5:09 PM, Randal L. Schwartz <merlyn at stonehenge.com> wrote:
> >>>>> "John" == John Kristoff <jtk at depaul.edu> writes:
>
> John> Other than saving one keystroke, is there anything specifically more
> John> correct or better to using tr/// there than using perl's re?
>
> Speed.
>
> --
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-- 
Eric Ellington
e.ellington at gmail.com