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Assign procedure

In unit System

Assign a name to a file.

Declaration

pascal
procedure Assign(out f: File; const Name: ShortString)

Description

Assign assigns a name to F, which can be any file type. This call doesn't open the file, it just assigns a name to a file variable, and marks the file as closed.

Note that the filename (including path) can be only 255 characters long.

Errors

None.

See also

Example: ex5

pascal
Program Example5;

{ Program to demonstrate the Assign function. }

Var F : text;

begin
  Assign (F,'');
  Rewrite (f);
  { The following can be put in any file by redirecting it
    from the command line.}
  Writeln (f,'This goes to standard output !');
  Close (f);
  Assign (F,'Test.txt');
  rewrite (f);
  writeln (f,'This doesn''t go to standard output !');
  close (f);
end.

An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.