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From: Don Bowman <don@sandvine.com>
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Date: Tue, 2 Dec 2003 13:48:22 -0500 
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Subject: awk versus gawk
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So it appears current has switched 'gawk' to 'awk'. These
aren't 100% compatible, here's a little gotcha in case
someone else runs into it:

awk '{print var}' var='a
b'

works on 'gawk' (e.g. RELENG_4), but on current, will
 awk '{print var}' var='a
b'
awk: newline in string a
b... at source line 1

FYI, in case anyone else runs into it. Not sure if this
is just gawk being more expressive.

--don