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print(
    concat(
        'At the',
        getVar('$hop')
    )
);

$hop="\x41";
print "\x41t the $hop";

$hop='A';
print('At the'.$hop);

setVar('$hop', 'A');
print(
    concat(
...
        getVar('$hop')
    )
);

$hop="\\x41";
print "\x41t the $hop";

$hop='\x41';
print('At the'.$hop);

setVar('$hop', '\x41');
print(
    concat(
...
        getVar('$hop')
    )
);

$hop="\\x41";
print "\x41t the $hop";
s{.}{\x41};

$hop='\x41';
print('At the'.$hop);
$_ =~ s/./A/;

setVar('$hop', '\x41');
print(
    concat(
...
    lhsRe('.'),
    rhsString('A')
);

$hop="\\x41";
print "\x41t the $hop";
s{.}{\x41$hop};

$hop='\x41';
print('At the'.$hop);
$_ =~ s/./A$hop/;

setVar('$hop', '\x41');
print(
    concat(
...
        '
    )
);

$hop="\\x41";
print "\x41t the $hop";
s{.}{"\x41$hop"}e;

$hop='\x41';
print('At the'.$hop);
$_ =~ s/"./A$hop"/e;

setVar('$hop', '\x41');
print(
    concat(
...
        )
    )
);