Check log output for skipped lines

check_if_skipped.py

# when checking cf logs invoke with
#   awk '{print $4}' log-example.out | egrep '^[0-9]+' | sort -n | python script.py
#

import sys

def checkLineConsistency(previous, current):
	if previous[0]+1 != current[0]:
		print "Inconsistency between line %d ('%d') and %d ('%d')" % (previous[1], previous[0], current[1], current[0])

f = sys.stdin

counter = 0
previous = None

for line in f:
	if not line:
		#EOF
		break

	counter += 1
	current = (int(line), counter)

	if previous:
		checkLineConsistency(previous, current)

	# store next as previous for next run
	previous = current

print "Total lines: %d" % counter