>Is this really your data model? Why all the nested >levels of hashes? >
Is there another alternative to access data from a database (cvs or sql) besides using hashes and arrays without nesting? Al >From: Bob Showalter <[EMAIL PROTECTED]> >To: 'AL H' <[EMAIL PROTECTED]>, [EMAIL PROTECTED] >Subject: RE: return a hash key >Date: Thu, 18 Oct 2001 16:04:33 -0400 > > > -----Original Message----- > > From: AL H [mailto:[EMAIL PROTECTED]] > > Sent: Thursday, October 18, 2001 1:51 PM > > To: [EMAIL PROTECTED] > > Subject: return a hash key > > > > > > Let say I have a multikey hash: > > $poeple{$first}{$Last}{$MI}{$CITY} > > If I am passing values to this hash Is there a function or a > > way to retrieve > > missing keys from it? > > I know that if (! exists %poeple ->{$first}->{$Last}-{$MI}) > > will return > > false or true. > > I want thes non valid keys temselves to be returned. > > Regards > >Actually, > > ! exists %poeple ->{$first}->{$Last}-{$MI} > >is not valid syntax. I assume you meant > > !exists $poeple{$first}->{$Last}->{$MI} > >which can be shortened to > > !exists $poeple{$first}{$Last}{$MI} > >This expression will auto-vivify $people{$first} and >$people{$first}{$Last} if they don't already exist >(but NOT $poeple{$first}{$Last}{$MI}). > >Is this really your data model? Why all the nested >levels of hashes? > _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
