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Re: counting rows [message #53342]

Mon, 09 April 2007 12:12

Christopher Thom
Messages: 66
Registered: October 2006

Member

Quoth David Fanning:

> shishir.czt@gmail.com writes:
>
>> i am fasing problem in reading a file . the file is a text file . i
>> know the number of columns ,but wana compute the number of rows ,
>> currently i am using EOF function to do that in a loop but some how it
>> is not working .
>> tell me what can i do to make it working.
>
> Use FILE_LINES to determine the number of rows in the file.

Since you know the number of columns, you could also use "readcol.pro" in
the idlastro library, to read your data. It will read up to 25 columns of
data of a specified data type.

http://idlastro.gsfc.nasa.gov/ftp/pro/misc/readcol.pro

cheers
chris

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		Re: counting rows By: Christopher Thom on Mon, 09 April 2007 12:12
		Re: counting rows By: David Fanning on Mon, 09 April 2007 06:45

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