This is almost certainly RTFM but what is the rationale behind something like this.
use Blah qw(:one_piece);
for example
use CGI qw(:cgi-lib)
I realize this is for grabbing a portion of a larger .pm file, but how does it differ from say
use LWP::Simple;
Inquiring mind(s) would like to know.
-T
perldoc -f use
will give you lots of info on this subject
use LWP::Simple; # will provide access to only exported identifiers
# that is those in the @EXPORT array .... @EXPORT = qw(get head getprint getstore mirror);
There is another magic variable involved, and that is the %EXPORT_TAGS hash. Here is a snippet from CGI.pm
(perldoc -m CGI will show you the source to the module)
%EXPORT_TAGS = (
':ssl' => [qw/https/],
':cgi-lib' => [qw/ReadParse PrintHeader HtmlTop HtmlBot SplitParam Vars/],
# so, this line will export the list of identifiers that follow :cgi-lib
use CGI qw(:cgi-lib);
Mike
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