Yes, I think I'm clear on this; at least I hope so after banging my head against Programming Perl 3. Globals are dynamically-scoped whereis lexicals only exist in the file where they are declared with my. Page 57 says:
"Because the file is the largest possible lexical scope, a lexically-scoped variable can never be visible outside the file in which it's declared. File scopes do not nest". So what I was thinking of doing was something like: my ($a,$b); # main code ... #include "subs1.pl" ... where code in subs1.pl made reference to $a and $b. I realize that I can do this with globals. So that's what I'll do. "Michael Fowler" <[EMAIL PROTECTED]> wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > On Thu, Sep 19, 2002 at 10:33:05AM -0000, Cricker wrote: > > If I may summarize -- and please correct me if this is wrong -- there is > > indeed no way to textually include one file inside another, like #include > > in C. > > As I mentioned previously in this thread, C is able to share its variables > between include files because they are global variables. In this sense, > Perl can do the same thing with use or require as C does with include. > > > > The text file is the compilation (lexical) unit, and the only way to > > import lexical symbols is via the module (package) mechanism. > > The file is indeed a new lexical scope. However, you cannot import or > export lexically-scoped variables (symbols isn't the appropriate term in > this context). You can only import and export package globals. > > I'm sensing some confusion between lexical and global variables. Are you > certain what the differences are? > > > Michael > -- > Administrator www.shoebox.net > Programmer, System Administrator www.gallanttech.com > -- -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
