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17 lines
481 B
Perl
17 lines
481 B
Perl
5 years ago
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#To set up a reference, you use a backslash (\) character before the name of what you're referring to.
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#$reference = \$referred_to;
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#The reference is a scalar variable.
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#To access the value of the data referred to:
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#$new_var = ${ $reference };
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#You can also use a shorthand syntax like the following:
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#$new_var = $$reference;
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#!/usr/bin/perl -w
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# Reference to a scalar variable.
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$var = "Hello";
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$reference = \$var;
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print "Scalar reference = $$reference\n\n";
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