Command line utility for calculating beats per minute
$ npm install bpm-calc -g
$ bpm-calc
hit space, count 10 3-beat measures, hit space again. q to quit.
$ bpm-calc -m# -b#
m
is the number of measures (default 10), b
is the number of beats per measure (default 3)
h
for help q
or ctrl-C
to quit.