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    Always have a testable version that's no more than a dozen lines different from the one you're working on. Then you'll know your error is always within the last dozen lines of code you wrote.

I read this and I think "shell script". Do you have a set of tools you use when youre programming? For example, the above procedure could easily be accomplished by something like this:

#!/usr/local/bin/bash [ perl -c "$1" ] && cp "$1" "`echo $1| sed 's:.pl::g'`.bak.pl" && vim "$1"
(forgive the shellness of the example, and I havent tested it either) -- but this would ensure that you have a working copy saved, that it is good, and you can continue to develop on the new copy. If you train yourself to pause every 12 lines, or (where i usually break) every new sub, you could save yourself a lot of time. I have a lot of scripts like this, I'm curious if you use anything like that.

And yeah, you did recently post something on debugging, and I remember upvoting it. After looking in the Secret Search I see:

I'm sure i'm missing stuff.

brother dep.

--
Laziness, Impatience, Hubris, and Generosity.


In reply to Re: Re: Are debugging skills atrophying? by deprecated
in thread Are debugging skills atrophying? by dws

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    [choroba]: On the other hand, lots of options to receive the requests :-)
    [Corion]: ... values to be used. For example, I think for headers, one would want to have various kinds of Content-Encoding headers, but for the get_parameters one would have various kinds of Bobby Tables
    [choroba]: What about [metadoc:// Algorithm::Loops]?
    [Corion]: choroba: Yeah, but handing off the request to Dancer,Plack, Mojolicious,LWP is easy once I have the data filled into some structure ;))
    [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

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