appendString
File.appendString(filename, str)
  Parameters
| filename | Path of file to append to. | 
| str | String to append to the file. | 
Returns
NothingDescription
Appends the string given by str to the file.
File.appendString(filename, str)
  | filename | Path of file to append to. | 
| str | String to append to the file. | 
Appends the string given by str to the file.