my $allcool = 0; # start false
foreach my $psaxline (@psax_list) {
  $allcool++ if ($psaxline =~ /$process/);
}

unless ($allcool) {
  print "$process does not appear to be running!\n";
}

##</code><code>##

print "$process does not appear to be running!\n"
  unless grep /$process/, @psax_list;