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Message from discussion The map function
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Jürgen Exner  
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 More options Apr 23 2008, 7:08 am
Newsgroups: comp.lang.perl.misc
From: Jürgen Exner <jurge...@hotmail.com>
Date: Wed, 23 Apr 2008 11:08:46 GMT
Local: Wed, Apr 23 2008 7:08 am
Subject: Re: The map function
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Uri Guttman <u...@stemsystems.com> wrote:
>>>>>> "JC" == Jim Cochrane <allergic-to-s...@no-spam-allowed.org> writes:

>  >> do you know which braces need a semicolon after?

>  JC> If I remember correctly, line 18 (from your error message) was either
>  JC> the offending line with the close curly brace missing the ';' or the
>  JC> line (print ...) below it.  So you know where to look because of the
>  JC> line # in the error message.  Of course, now that you know that 'do {}'
>  JC> blocks need a semicolon after them (right?), you know to look for that

>actually do blocks are just expressions and the statement they might be
>in will need a ; (and of course in perl ; is a statement separator and
>not a terminator). in this case the do block was the end of the
>statement and needed a ; before the print. an if block (or other flow
>control block isn't a statement so they don't need ; after them.

Another reason to avoid do{} blocks that are dozens of lines long. At
the end of such a block you surely have forgotten, if it is a flow
controll block or an expression.

jue


 
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