Exist


Purpose   Indicates whether a file exists.

Decln.    Exist(Filename:string):boolean;

Returns   Boolean

Remarks   FileName is the name of the file being checked. If may contain
          wild card characters, i.e. the function will return true if any
          file is found matching the wild card template. The function will
          find any file type including readonly, directory, hidden, system,
          etc.

Example

BEGIN
    IF NOT EXIST('C:\AUTOEXEC.BAT') THEN
       BEEP;
END;