I was wondering about the "shift" inside a subroutine. I have never used it. What is the purpose of it been there?
Thanks in advance, Nestor :-) ----- Original Message ----- From: "Stephen.Hurley" <[EMAIL PROTECTED]> To: "'Bruce Ambraal'" <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> Sent: Wednesday, February 20, 2002 6:58 AM Subject: RE: What is the value of @_4_[0], and $return_me? (see below) > Well, for a start, you have a spelling mistake in there... > > my $retun_me = shift; - probably should be - my $return_me = shift; > > Secondly, what exactly are you trying to do with this code ? I don't know > too much about perl, but I think the assignment: > @_ = @arr; > ....might be a little suspicious. I normally grab the arguments passed to my > sub routine from @_ , I don't usually assign *to* it. > In the end, it seems like this subroutine should return the first value in > @arr, which is 0. > > Does any of this help ? > > -----Original Message----- > From: Bruce Ambraal [mailto:[EMAIL PROTECTED]] > Sent: 20 February 2002 14:38 > To: [EMAIL PROTECTED]; [EMAIL PROTECTED] > Subject: What is the value of @_4_[0], and $return_me? (see below) > > > Hi > > 1. (see subject) > 2. Explain lines 3 , 4 > 3.Why does'nt this coding return anything2 > > sub routine { > my @arr = (0, 'a' 1, 'b'); > @_ = @arr; > my $retun_me = shift; > return( $return_me ) > }; > > > -- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > -- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
