Gawk 2.10 getline hangs

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Article #1568

#1568

From: David MacKenzie
Date: Sun, 16 Apr 1989 04:49

20 lines
837 bytes

echo "hi there" > foo
chmod 0 foo
gawk '
BEGIN {
  if (getline < "foo" > 0)
    print
  else
    print "cannot open foo"
  exit
}'

Getline hangs if it can't open the file, instead of returning -1.
This is under System V, if that matters.

David MacKenzie
mackenzi@thor.stolaf.edu or edf@rocky2.rockefeller.edu
-- 
David MacKenzie
mackenzi@thor.stolaf.edu or edf@rocky2.rockefeller.edu

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Path: arc1-ca.pugleaf.net!utzoo!dptcdc!jarvis.csri.toronto.edu!mailrus!csd4.milw.wisc.edu!srcsip!nic.MR.NET!thor.acc.stolaf.edu!mackenzi
From: mackenzi@thor.acc.stolaf.edu (David MacKenzie)
Newsgroups: gnu.utils.bug
Subject: Gawk 2.10 getline hangs
Message-ID: <1861@thor.acc.stolaf.edu>
Date: 16 Apr 89 04:49:22 GMT
Reply-To: mackenzi@thor.stolaf.edu (David MacKenzie)
Distribution: na
Organization: Environmental Defense Fund
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