getline variables not global

[Till Halbach]

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Summary
A global variable is not overwritten when it is set by means of getline.

OS
Description:    Ubuntu 9.04

AWK
GNU Awk 3.1.6

TC1
echo -e '\n' | awk '{print "new line:"; "echo 1" | getline bar; print
bar; "echo 2" | getline bar; print bar}'
Should produce
new line:
1
2
new line:
1
2
Produces currently
new line:
1
2
new line:
2
2

TC2
echo -e '\n' | awk '{bar="should never appear"; print "new line:"; "echo
1" | getline bar; print bar; "echo 2" | getline bar; print bar}'
Should produce
new line:
1
2
new line:
1
2
Produces currently
new line:
1
2
new line:
should never appear
should never appear

Thanks,
Till

- --
http://etill.net/
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