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000062_icon-group-sender _Fri Dec 6 20:30:10 1996.msg
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1997-01-02
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990b
Received: by cheltenham.cs.arizona.edu; Mon, 9 Dec 1996 11:16:32 MST
To: icon-group@cs.arizona.edu
Date: Fri, 6 Dec 1996 20:30:10 GMT
From: nr@viper.cs.Virginia.EDU (Norman Ramsey)
Message-Id: <589voi$58c@viper.cs.Virginia.EDU>
Organization: University of Virginia Computer Science Department
Sender: icon-group-request@cs.arizona.edu
Subject: Pipes on Unix
Errors-To: icon-group-errors@cs.arizona.edu
I'm using Icon on Unix, and I've got an Icon program in which I want
to write output to a filter and then read the results of the filter.
Ideally I'd like to do something like:
file := open("dot -Tplain", "bp")
# write a bunch of stuff to file
# close file for writing!
# read a bunch of stuff from file
# close file for reading!
The problem is, I can't close the file for writing without also losing
the ability to read from it. Plus I don't even know if mode even "bp"
works.
Suggestions?
--
Norman Ramsey
http://www.cs.virginia.edu/~nr