open S, "foo" or die "Can't open foo: $!";
my $buffer;
while (read S, $buffer, 1) {
    print $buffer, "\n";
}
close S or die "Can't close foo: $!";

[download]
Though you may want to read in slightly larger increments than one character at a time, as that's relatively slow.

How large is your file? Perhaps reading in 4k bytes at a time might work out for you?

In reply to Re: Character Input by btrott
in thread Character Input by coolmichael

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