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Testing if a NSPipe has available data

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Testing if a NSPipe has available data

Subject: Testing if a NSPipe has available data
From: Frédéric Testuz <email@hidden>
Date: Mon, 10 Aug 2009 10:29:47 +0200

Hi,

I'm using gnuplot to obtain graph of data. You can set gnuplot to send results in various formats and to stdout I found the way to call it and get the data with NSTask and NSPipe.

Actually, I get the image as an eps. The whole pack of data come in several packs obtain by the pair of methods -[NSFileHandle readInBackgroundAndNotify] and -[NSFileHandle availableData].

But I have to know when there is no more data to wait for. I have found a solution in : <http://www.cocoabuilder.com/archive/message/cocoa/2000/11/21/31112> which use ioctl. This solution works, but it is a very low api and the message is a little old now.

I just want to know if there is, today, another solution with a higher api perhaps ?

Thank you

Frédéric_______________________________________________

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