On 3/16/11 Wed Mar 16, 2011 9:11 AM, "shawn wilson" <ag4ve...@gmail.com>
scribbled:
> On Mar 16, 2011 11:53 AM, <ind...@students.itb.ac.id> wrote:
>>
>>
>> if(@ARGV != 1){
>>
>
> I don't think you can look at an array like its a string like that.
> Maybe string( @ARGV ) != 1 might work. But what you probably want is:
> If( defined( $ARGV[ 0 ] ) )
Try it!
The logical operator != gives scalar context to both left and right
operands. An array in scalar context returns the number of elements in the
array. Therefore, the expression (@ARGV != 1) will return true if the number
of elements in @ARGV is not exactly one.
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