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Re: Which Book

by Your Mother (Bishop)
on Sep 01, 2007 at 23:19 UTC ( #636551=note: print w/replies, xml ) Need Help??


in reply to Which Book

Depends on what you're after but you don't have to stop with one. Most of them have been in print so long you can pick up used copies inexpensively. Also, Perl Black Book is underrated (under-known?) and to some degree represents a cross between the Ram and the Camel. It presents each part/function/issue, more or less, as stories which is a great XP technique for approaching problems, even the problem of learning.

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[ovedpo15]: another question about regex. if I have a string like this: "a/b/,c/d/e,5" I would like to remove the string after the last comma so the output will be "a/b/,c/d/e" how to do so?
[Corion]: ovedpo15: You could split on comma, and then join everything together, except the last part. Or you could match and make sure that the last part has no comma, like qr!,[^,]+$!, or you could use rindex.
[ovedpo15]: But I don't know the length of the string. will it still work?
[ovedpo15]: The only thing I know is that there is a comma at the end and a value after that
[hippo]: Try it and see. Your computer won't explode.
[Corion]: length will tell you the length of a string.
[Corion]: But if you are parsing CSV, again, let me point to Text::CSV_XS, which you should use instead
[hippo]: +1 for Text::CSV_XS
[ovedpo15]: Im not allowed to use additional modules, so I can't use it. looking for a simple regex to do this task though..

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