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# Date: Mon, 11 Jul 2011 11:42:07 +0200
# From: Kacper Kornet <draenog@pld-linux.org>
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# Subject: [bug-gawk] Change in behavior of gsub inside loop
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#
# Hi,
#
# I have observed the following changed behavior between gawk-3.8.1 and
# gakw-4.0.0. While in the former
#
# echo -ne ' aaa' | gawk '{for (c = 1; c <= NF; c++) {gsub("foo", "bar", $c); print}}'
#
# prints:
#
#  aaa
#
# the gawk-4.0.0 does not preserve the leading spaces and prints:
#
# aaa
#
# Best regards,
# --
#   Kacper
#
{for (c = 1; c <= NF; c++) {gsub("foo", "bar", $c); print}}