Yenya's World

Thu, 17 Aug 2006

Perl: The next level

We have ran into a problem that Data::Dumper module escapes the UTF-8 characters as \x{codepoint}. This is probably intended, as the result is then usable regardless of whether the "use utf8" pragma is active or not. But it is not much readable when the data contains lots of Czech text.

I have solved it by filtering the Data::Dumper output through the following substitution:


This has moved me to the next level of my Perl proficiency, as probably for the first time I have used the "/ee" in a real-world code.

Section: /computers (RSS feed) | Permanent link | 4 writebacks

4 replies for this story:

oozy wrote:

Very nice.

Adelton wrote:

Why the "xms"?

Yenya wrote: xms

Perl Best Practices - Chapter 12: Regular Expressions: "Always use /xms". I think Damian Conway is right with this one. Well, it is not suitable for the Perl Golf, but as a programming habit it is actually good.

Adelton wrote:

Benchmark: timing 10000000 iterations of normal, xms... normal: 6 wallclock secs ( 6.79 usr + 0.03 sys = 6.82 CPU) @ 1466275.66/s (n=10000000) xms: 8 wallclock secs ( 7.52 usr + 0.01 sys = 7.53 CPU) @ 1328021.25/s (n=10000000)

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