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Perl scalar Function
Description
This function forces the evaluation of EXPR to be in scalar context, even if it would normally work in list context.
Syntax
Following is the simple syntax for this function −
scalar EXPR
Return Value
This function returns Scalar.
Example
Following is the example code showing its basic usage −
#!/usr/bin/perl -w @a = (1,2,3,4); @b = (10,20,30,40); @c = ( @a, @b ); print "1 - Final Array is @c\n"; @c = ( scalar(@a), scalar(@b) ); print "2 - Final Array is @c\n";
When above code is executed, it produces the following result −
1 - Final Array is 1 2 3 4 10 20 30 40 2 - Final Array is 4 4
perl_function_references.htm
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