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Re: Problem with large .txt file [message #55038]

Tue, 31 July 2007 10:15

Vince Hradil
Messages: 574
Registered: December 1999

Senior Member

On Jul 31, 11:27 am, "Haje Korth" <haje.ko...@nospam.jhuapl.edu>
wrote:
> set i ti i=0l (make it a long)
>
> H.
>
> <aleks.fra...@gmail.com> wrote in message
>
> news:1185897834.196562.301440@57g2000hsv.googlegroups.com...
>
>> Hy there!
>> I have a large txt file (6.384KB) with 65000 lines. It's very large.
>> I need to open it, read every line, replace the spaces for commas, and
>> write the result in an output.txt
>
>> The code is ok. The problem is that idl crashes on line 7208. There's
>> a memory problem there.
>
>> Is there any way to do for all the lines of the txt file?? I don't
>> know how to deal with memory problems. Sorry!
>
>> I'm doing like this
>
>> :-----------------CUT HERE--------------------
>> i=0
>> line=''
>> ; Open the text file:
>> OPENR, inunit, '60mil_equal.txt', /GET_LUN
>> ; Open the terminal as a file:
>> OPENW, outunit, 'output.txt', /GET_LUN
>> ;================================
>> WHILE ~EOF(inunit) DO BEGIN
>> READF, inunit, line
>> line = STRJOIN(STRSPLIT(line, /EXTRACT), ', ')
>> PRINTF, outunit, line
>> i =i+1
>> ENDWHILE
>
>> FREE_LUN, inunit
>> FREE_LUN, outunit
>
>> END
>> :-----------------CUT HERE--------------------
>
>> Thank you very much

Or just use sed... Right tool for the right job.

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[Message index]

		Re: Problem with large .txt file By: Vince Hradil on Tue, 31 July 2007 10:15
		Re: Problem with large .txt file By: Haje Korth on Tue, 31 July 2007 09:27
		Re: Problem with large .txt file By: Conor on Tue, 31 July 2007 10:36

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