uses crt;
var f,g,h:file of char;
c:char;
i:byte;
begin
clrscr;
assign(f,'file1');
rewrite(f);
assign(g,'file2');
rewrite(g);
assign(h,'file3');
rewrite(h);
writeln('Введите в файл file1 10 символв:');
for i:=1 to 10 do
begin
readln(c);
write(f,c);
end;
close(f);
writeln('Введите в файл file2 5 символв:');
for i:=1 to 5 do
begin
readln(c);
write(g,c);
end;
close(g);
reset(f);
clrscr;
writeln('Fail 1:');
while not eof(f) do
begin
read(f,c);
write(h,c);
write(c,' ');
end;
writeln;
close(f);
{close(h);}
reset(g);
writeln('Fail 2:');
while not eof(g) do
begin
read(g,c);
write(h,c);
write(c,' ');
end;
writeln;
close(g);
reset(h);
writeln('Файл 3:');
while not eof(h) do
begin
read(h,c);
write(c,' ');
end;
close(h);
readln
end.