Parse arguments, read stdin process and output to stdout.
Parse arguments, read stdin process and output to stdout.
https://en.wikipedia.org/wiki/Standard_streams
Get help string.
Get help string.
https://www.gnu.org/prep/standards/html_node/_002d_002dhelp.html#g_t_002d_002dhelp
Get program version name.
Get program version name.
Read input argument (defaults to stdin).
Read input argument (defaults to stdin).
Split input Arguments from other arguments.
Split input Arguments from other arguments.
Split input Arguments from other arguments.
Split input Arguments from other arguments.
Testable interface for main program.
Testable interface for main program.
Main program.