The first three are not proper definitions per-se but kind of an advertisement, trying to familiarize by self-comparison with a tried & true tool that has prove

The first three are not proper definitions per-se but kind of an advertisement, trying to familiarize by self-comparison with a tried & true tool that has proven its worth. You know Jimmy the famous mechanic? I'm Timmy, _his brother_ but an electrician. IMO, at least `jq` has proven itself as the indispensable tool for json-data manipulation.