HP SunSoft Pascal 4.0 - Manual (Page 34)

10 Pascal 4.0 User’s Guide
2
Now run the program by typing the name of the executable file. The output
follows:
An Interactive Pascal Program
In Pascal, the predefined file variable, input , is equivalent to the operating
system standard input file, stdin . Similarly, the file variable, output , is
equivalent to the standard output file, stdout .
Following is a Pascal program that copies input to output . Use an editor to
type the code on your system and store it in a file called copy.p :
hostname% temp
Fahrenheit Celsius
---------- -------
32 0.00
33 0.56
34 1.11
. .
. .
. .
program copy(input, output);
{ This program copies input to output. }
var
c: char;
begin
while not eof do begin
while not eoln do begin
read(c);
write(c)
end;
readln;
writeln
end
end. { copy }