local($/, *WEB_DATA);#sets $/ to undef for you
                      and when the scope exits
                      it will revert $/ back to
                      its previous value (most
                      likely "\n")
open (WEB_DATA, "<$myFilename.tmp");
  my $myData = <WEB_DATA>;
close (WEB_DATA);
my @linkName = $myData =~ m/regexp for linkName/g;