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Re^5: I want you to convince me to learn Perl

by BrowserUk (Pope)
on Sep 25, 2013 at 19:09 UTC ( #1055729=note: print w/ replies, xml ) Need Help??


in reply to Re^4: I want you to convince me to learn Perl
in thread I want you to convince me to learn Perl

I hear this way too often and I honestly donít understand it.

If you already indent correctly (go one unit deeper in a sub-block, one unit shallower when the block ends ó and unit is whatever, be it a tab or several spaces, as long as itís consistent), you wonít even notice the language relies on indentation.

Look around at my code here and you'll see that I am very consistent -- almost anal -- about indentation in my code be it Perl, C whatever. But when I wrote python, it was just to damn easy to end up with:

	stuff here
 	more stuff here

Looks consistent, but is invisibly different. And that is puerile, pathetic and it f'ing annoys me. Frequently.

And quite frankly I don't give a flying fig whether you "hear this way too often". If you don't wanna "hear" it, don't read it.


With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.


Comment on Re^5: I want you to convince me to learn Perl
Re^6: I want you to convince me to learn Perl
by Ralesk (Pilgrim) on Sep 25, 2013 at 19:38 UTC

    Gosh, chill... didnít mean to direct it at you in particular, but thereís simply been plenty of times Iíve heard it and I felt Iíd say something about it.

    Iím almost exclusively a Perl user, but Iíve spent a few years doing KDE3 stuff in Python, and I guess I just feel weird when people find the white-space thing odd while it felt pretty much natural for me simply because itís merely about making proper indentation a rule. (Heh, now that I think of it, that even fits in the Zen of Python, ďthere should be one ó and preferably only one ó obvious way to do itĒ)

      itís merely about making proper indentation a rule.

      Proper indentation is a visual thing.

      A tab on one line, an errant space preceding a tab on the next; four spaces on the next; doesn't matter, everything lines up.

      'cepting for one language.

      Sure, its easy to be consistent when you first type code -- I have my editor set to convert tabs to 4 spaces on input for pretty much every programming language I use. But its when you pick up a piece of someone else's code who used a different convention; or you cut and paste between files; or grab a snippet off the 'net; or just move a bit of code from one level to another...

      The only reliable method is to squelch every line and re-indent. Life's too damn short for such pointless, affected, self-inflicted make-work.

      And maybe the reason you hear it so often, is cos its true.


      With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
      Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
      "Science is about questioning the status quo. Questioning authority".
      In the absence of evidence, opinion is indistinguishable from prejudice.
        You can always write a short one-liner in Perl to replace all tabs to spaces ... ;)

        CountZero

        A program should be light and agile, its subroutines connected like a string of pearls. The spirit and intent of the program should be retained throughout. There should be neither too little or too much, neither needless loops nor useless variables, neither lack of structure nor overwhelming rigidity." - The Tao of Programming, 4.1 - Geoffrey James

        My blog: Imperial Deltronics

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