use strict;
use warnings;
use IO::File;

# Create a new filehandle, and write to 'file.txt'
my $fname = "file.txt";
{
    my $fh = new IO::File($fname, ">");
    print $fh "Here's a single line of text\n";

    # Close the file once the user types [RETURN]
    print "Type [RETURN] to close file ...\n";
    <STDIN>;
}   # When this block ends, the enclose "scope" ends, and $fh is deleted

print "Go check whether '$fname' was created (from a separate process) ...\n";

while (1) {
    sleep 3;
    print "Still here... (type ^C when finished)\n";
}

##</code><code>##


use strict;
use warnings;
use IO::File;

# Create a new filehandle, and write to 'file.txt'
my $fname = "file.txt";
my $fh = new IO::File($fname, ">");
print $fh "Here's a single line of text\n";

# Close the file once the user types [RETURN]
print "Type [RETURN] to close file ...\n";
<STDIN>;
undef $fh;        # Undefine the filehandle and it will close automatically

print "Go check whether '$fname' was created (from a separate process) ...\n";

while (1) {
    sleep 3;
    print "Still here... (type ^C when finished)\n";
}