Swatch Internet Time implemented as a C program.

$ beats -h
Usage: beats [-ahn] [-f | -i] [-t timestamp]
Displays the Swatch Internet Time.

-a      omit leading @-sign
-f      print full floating-point value
-h      display this help and exit
-i      integer mode (omit decimals)
-n      omit newline (\n)
-t      parse UNIX timestamp

gcc and make are required.

Standard procedure:

1. Run make to compile, or
2. make install to compile and move the binary file to the $PREFIX

Quite a few other implementations exist online, such as brneor/swatch and hyphenrf/swatch.beats.

This program was written with the UNIX Philosophy in mind: to be small, cleanly-written and flexible.