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Re^3: How can we interpolate an expression??

by Anonymous Monk
on Sep 20, 2012 at 18:10 UTC ( [id://994716]=note: print w/replies, xml ) Need Help??


in reply to Re^2: How can we interpolate an expression??
in thread How can we interpolate an expression??

 my $arrayref = [ 4200 / 100  ];
print "The answer is $arrayref \n";

[download]
The answer is ARRAY(0x3f8a94) 

 my $arrayref = [ 4200 / 100  ];
print "The answer is @$arrayref \n";

[download]
The answer is 42 

 my $arrayref = ;
print "The answer is @[ 4200 / 100  ] \n";

[download]
syntax error at - line 1, near "= ;"
Execution of - aborted due to compilation errors.

[download]

 
print "The answer is @{[ 4200 / 100  ]}\n";

[download]
The answer is 42

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