flc:

This program provides simple statistical analysis of cipher and plain texts.

using particular options allows you to access index of coincidence, estimated period, and output frequency lists (see options below).



-s SUMMARY
-t SHOW TOTAL FREQUENCY
-o SHOW LIST ORDERED BY FREQ
-h THIS HELP\n
-i PRINT INDEX OF COINCIDENCE
-p PRINT ESTIMATED PERIOD (based upon index of co-incidence)
	

This program retrieves text from standard input.