https://perlancar.wordpress.com/2015/03/13/pericmd-039-creating-api-friendly-cli-applications-with-parseable-outputs/ ᔥ
Outputs in various tabular formats…
% ./list-files -v
+----------------+------+------+
| name | size | type |
+----------------+------+------+
| hello | 1131 | f |
| list-files | 988 | f |
| list-files~ | 989 | f |
| mycomp | 902 | f |
| mycomp2a | 608 | f |
| mycomp2b | 686 | f |
| mycomp2b+comp | 1394 | f |
| pause | 4096 | d |
| perl-App-hello | 4096 | d |
+----------------+------+------+
…Or JSON format:
% ./list-files --json
[200,"OK",["hello","list-files","list-files~","mycomp","mycomp2a","mycomp2b","mycomp2b+comp","pause","perl-App-hello"],{}]