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program Example31;
{ Program to demonstrate the Dup function. }
uses oldlinux;
var f : text;
i : longint;
begin
Assign (f,'text.txt');
Rewrite (F);
For i:=1 to 10 do writeln (F,'Line : ',i);
if not dup2 (output,f) then
Writeln ('Dup2 Failed !');
writeln ('This is written to stdout.');
writeln (f,'This is written to the dup file, and flushed');
flush(f);
writeln;
{ Remove file. Comment this if you want to check flushing.}
Unlink ('text.txt');
end.
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