Module luacov.util
Utility module.
Functions
| unprefix (str, prefix) | Removes a prefix from a string if it's present. | 
| load_string (str[, env[, chunkname]]) | Loads a string. | 
| load_config (name, env) | Load a config file. | 
| file_exists (name) | Checks if a file exists. | 
Functions
- unprefix (str, prefix)
- 
    Removes a prefix from a string if it's present.
    Parameters:- str a string.
- prefix a prefix string.
 Returns:- 
        original string if does not start with prefix
 or string without prefix.
    
 
- load_string (str[, env[, chunkname]])
- 
    Loads a string.
    Parameters:- str a string.
- env environment table. (optional)
- chunkname chunk name. (optional)
 
- load_config (name, env)
- 
    Load a config file.
 Reads, loads and runs a Lua file in an environment.
    Parameters:- name file name.
- env environment table.
 Returns:- 
         true and the first return value of config on success,
 nil + error type + error message on failure, where error type
 can be "read", "load" or "run".
    
 
- file_exists (name)
- 
    Checks if a file exists.
    Parameters:- name file name.
 Returns:- 
        true if file can be opened, false otherwise.