From: Andrew Timberlake <andrew@...>
Date: 2009-01-13T04:33:13+09:00
Subject: Re: Data stream variables

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On Mon, Jan 12, 2009 at 9:14 PM, Robert Klemme
<shortcutter@googlemail.com>wrote:

> On 12.01.2009 14:21, Alain Helfenstein wrote:
>
>> I want to print all lines wihtch contains the string "Open" from a bunch
>> of 'xml' files. Additionally I want to print the filename and the line
>> number of the match.
>>
>> The problem with the following snippet is, that the variable '$.' does
>> not reset the line number at the beginning of a new file.
>>
>> That menas, the printed file numbers are not correct except for the
>> first file of '*.xml'
>>
>> ruby -n -e 'puts ($FILENAME + " " + $..to_s + "" + $_) if /Open/' *.xml
>>
>> Does anybody have a idea, on how to print the correct line number?
>>
>> Thanks a lot for your answer, Alain.
>>
>
> I'm not Alain, but... :-)  Just kidding.
>
> Here's how to do it:
>
> ruby -ne 'puts "#$FILENAME #$. #$_" if /Open/; $.=0 if ARGF.eof?' *.xml
>
> Cheers
>
>        robert
>
> --
> remember.guy do |as, often| as.you_can - without end
>
>
I was wondering if you could reset the line counter but didn't think of just
setting $. = 0
Sometimes ruby is just too easy :-) I still sometimes think things need to
be more complicated.

-- 
Andrew Timberlake
http://ramblingsonrails.com
http://www.linkedin.com/in/andrewtimberlake

"I have never let my schooling interfere with my education" - Mark Twain

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