My response has less to do with mantras and more to do with the idea of wasting space.

I have a perl pet peeve that I know everyone will jump on me about, but I do it because of the need to save time during debugging.

I hate the one line conditional. You know the little villian:

$foo = "bar" if (blah eq "blue");
[download]

Funny how it takes no longer to compile or run in a multi-line statement, yet everyone wants to do it in one line to look cool. Let's say I need to add a second statement to that conditional or need to put a print statement in there to debug it. Cut and paste, cut and paste, and then cut and paste to put it back.

Okay, so maybe that is my mantra: "avoid cut and paste, avoid cut and paste..." :)

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I admit it, I am Paco.