one more SED/AWK question

[Patrick Hyland]

The following will do what you want if you're using Bourne shell:

sed -n -e '
	/CZECH/{
: loop
		p
		n
		/PERU/!b loop
	}
' filename

Thanks to Maarten Litmaath for posting the original
suggestion from which this is derived. 
						Patrick Hyland.