ctags
all
Generate an index (or tag) file of language objects found in source files for many popular programming languages.
More info →Examples (4)
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/fileGenerate 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 --recurseGenerate 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/filemade by @shridhargupta | data from tldr-pages