#! /bin/awk

BEGIN {
	line = ""
	NumErrors = 0
}
{
	if (($0 ~ /lynx: /) || ($0 ~ /[Ee]rror/) || (($0 ~ /[Nn]ot/) && ($0 ~ /[Ff]ound/)))
		++NumErrors

	for (ii=1; ii<=NF; ++ii)
		line = line " " $ii
}
END {
	if (NumErrors)
		printf ("ERR:%s\n", line)
	else
		printf ("OK: shopping cart looks OK.\n")
}