ctags:tldr:0baff

The command "ctags --fields=+ne --output-format=json ${filename}" is used to generate a JSON file containing the tags (symbols) found in the specified ${filename}.

Here is a breakdown of the command:

• "ctags" is the name of the command-line program used to generate tags for source code.
• "--fields=+ne" is an option that specifies the fields to include in the tags. "+ne" means to include the 'name' and 'kind' fields.
  • 'name' represents the name of the tag (e.g., variable name, function name).
  • 'kind' represents the type of tag (e.g., variable, function).
• "--output-format=json" is another option that specifies the output format of the tags. In this case, it is set to JSON format.
• ${filename} is a placeholder that should be replaced with the name of the file for which you want to generate tags. This could be a source code file (e.g., a Java file, C file).

When you run this command, ctags processes the specified ${filename} and extracts all the tags with the specified fields. It then formats the results as a JSON file, which you can use for various purposes such as code navigation or integration into other tools.