Generate an index (or tag) file of language objects found in source files for many popular programming languages.
More information: https://ctags.io/.
- Generate tags for a single file, and output them to a file named “tags” in the current directory, overwriting the file if it exists:
ctags path/to/file
- Generate tags for all files in the current directory, and output them to a specific file, overwriting the file if it exists:
ctags -f path/to/file *
- Generate tags for all files in the current directory and all subdirectories:
ctags --recurse
- Generate tags for a single file, and output them with start line number and end line number in JSON format:
ctags --fields=+ne --output-format=json path/to/file