one-true-awk/testdir/p.35

*9a7741deSElliott HughesBEGIN			{ FS = OFS = "\t" }
*9a7741deSElliott Hughes$4 ~ /^North America$/	{ $4 = "NA" }
*9a7741deSElliott Hughes$4 ~ /^South America$/	{ $4 = "SA" }
*9a7741deSElliott Hughes			{ print }