:: append()
:: Type        = Filesystem function
:: Environment = Windows, Linux, Unix
:: What        = Append opens an existing file in append mode. 
:: About       = Opens an existing file for appending data to end of file and 
                 editing it.  If the file does not exist, one is created.
:: Note        = Assign is not required with GibPascal as the assign can happen 
                 within the append.                 
                 

Example:
program filetest;

var TextOut : text;       { pointer for text file }
var FileOutput : string;  { string to write to text file}

begin

  FileOutput := 'Write this to file. ';

  append(TextOut,'testfile.txt');

  writeln(TextOut,FileOutput,FileOutput);

  closefile(TextOut);

end.

Output:

Last line of text file testfile.txt will have

Write this to file. Write this to file.