Try an anonymous sub: 
my $variable = 3;

my $string = sub {"Variable: $variable\n"}; # Simplified from your cod
+e
print $string->();
#results in "Variable: 3"

$variable = 4;
print $string->();
# Prints: Variable: 4

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In reply to Re: Dynamic interpolation in a string with a scalar variable? by NetWallah
in thread Dynamic interpolation in a string with a scalar variable? by nysus

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