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Perl return Function
Description
This function returns EXPR at the end of a subroutine, block, or do function. EXPR may be a scalar, array, or hash value; context will be selected at execution time. If no EXPR is given, returns an empty list in list context, undef in scalar context, or nothing in a void context.
Syntax
Following is the simple syntax for this function −
return EXPR return
Return Value
This function returns in Scalar Context: List, which may be interpreted as scalar, list, or void context.
Example
Following is the example code showing its basic usage −
#!/usr/bin/perl -w $retval = Sum(5,10); print ("Return value is $retval\n" ); @retval = Sum(5,10); print ("Return value is @retval\n" ); sub Sum($$) { my($a, $b ) = @_; my $c = $a + $b; return($a, $b, $c); }
When above code is executed, it produces the following result −
Return value is 15 Return value is 5 10 15
perl_function_references.htm
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