Length

Declaration:
Function Length (S : String) : Integer;
Description:
Length returns the length of the string S, which is limited to 255 for shortstrings. If the strings S is empty, 0 is returned.

Note: The length of the string S is stored in S[0] for shortstrings only. The Length fuction should always be used on ansistrings and widestrings.

Errors:
None.
See also:
Pos (546)

Listing: refex/ex36.pp


Program Example36;

{ Program to demonstrate the Length function. }

Var S : String;
    I : Integer;

begin
  S:='';
  for i:=1 to 10 do
    begin
    S:=S+'*';
    Writeln (Length(S):2,' : ',s);
    end;
end.