based on https://github.com/nham/rust-base58
$ cargo install --git https://github.com/jht5945/base58
$ base58 --help
Usage:
base58 [OPTIONS] [FILE]
base58 - command line base58 convert tool.
Positional arguments:
FILE FILE
Optional arguments:
-h,--help Show this help message and exit
-d,--decode Decode data
--new-line Do output the trailing newline
-v,--version Print version
--verbose Verbose output