ReadTextFile (read a text file) 
ts
function ReadTextFile(what: string): string;This function reads the what text file and returns its entire contents as a string. If the file doesn’t exist or if the operating system returns an I/O error, this function returns an empty string.
This function accepts the following parameters:
| Parameter | Type | Requirement | Explanation | 
|---|---|---|---|
| what | string | required | must be a valid and existing path to a file you wish to read | 
Return value:
| Type | Explanation | 
|---|---|
| string | the entire contents of the file as a single string (may contain weird/unpredictable characters if you attempt to read a binary file) | 
