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Re^2: Using filepath method to identify an .html page

by Anonymous Monk
on Jan 23, 2013 at 11:00 UTC ( #1014877=note: print w/replies, xml ) Need Help??


in reply to Re: Using filepath method to identify an .html page
in thread Using filepath method to identify an .html page

The OP seems a bit unwilling to listen, but if you truncate the hash, you meet his spec.

use Digest::MD5 qw/ md5_hex /; my $digest=md5_hex("http://www.berghold.net"); printf "%d\n", hex(substr($digest, -4)) % 10_000;

So the one-liner he's looking for would be hex(substr(md5_hex($someurl), -4)) % 10_000. I'm betting that is somewhat collision resistant. The OP still should consider enlarging his int2 column to int4 or int8 or even char(4)

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[choroba]: Algorithm::Loops
[Corion]: choroba: I'm using that to generate the permutations, but I don't know how the user can pass the intended values to my function in a sane way
[Corion]: I have a prototype that permutes the get_parameters, but the values used for the get parameters should be different from the values used for the headers and potentially for parts of the URL
[Corion]: But yes, in general, my approach will be "split the URL into another set of parameters, generate an array of allowed values for each parameter and then NestedLoops() over the set"
[choroba]: hmm... so you need something like bag from Test::Deep, but not for checking, but for generation
[Corion]: This has the dual use of easily requesting sequential URLs and also being suitable for testing
[Corion]: For testing, I want to skip all tests with the same value(s) once one test fails to cut down on the number of failing tests
[Corion]: choroba: Yes, in a way I
[Corion]: ... I'm treating the incoming value sets as bags... Maybe I'll just put the burden on the user, at least in the first attempt at a full API. generate( headers => [{ 'Content-Type' => 'text/plain' }, {'Content-Type' => 'text/json' ] ), even ...
[Corion]: ... if that is cumbersome for the caller to specify. On the other hand, maybe there isn't that big a need for permuting the header values

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