Gawk 2.10 getline hangs

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1 total messages Started by David MacKenzie Sun, 16 Apr 1989 04:49

#1568

Author: 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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