# print all lines except those read with getline
	{print "line #", NR, $0}

# if line begins with "b" process it specially
/^b/	{
	# use getline to read the next line into variable named hold
	getline hold

	# print value of hold
	print "skip this line:", hold

	# $0 is not affected when getline reads into a variable
	# $1 still holds previous value
	print "previous line began with:", $1
	}

	{
	print ">>>> finished processing line #", NR
	print ""
	}