stan

Stan is a small console application that works on all UNIX systems. It
is able to generate several types of statistical information about a
stream. A stream can be either standard input or given files. For
example, stan can be used to analyze encrypted data or to measure the
quality of a pseudo-random number generator, but there are probably
hundreds of other situations where stan comes in handy.
Stan supports three types of analysis: general statistics, pattern
statistics, and bit statistics. By choosing intelligent values for each
statistic, stan can give amazing results about a stream and is fun to
work with.

          

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License: BSD-4-Clause
URL: http://www.roqe.org/stan