我对这段代码的结果感到困惑。
当我运行这段代码时,
my @lines;
for (my $count = 0; $count < 3; $count++) {
print "Give me input again ";
chomp (my $line = <STDIN>);
$lines[$count] = $line;
}
$" = "|";
print "@lines\n";
当我运行这段代码时,
$" = "|";
是如何起作用的?结果为One|Two|Three。代码是如何工作的,以便在每个输入之间放置“|”?