11 or DisplayError "Unable to open file $filename - $!";
20 my $groups = "penguin/andrew-cvs/CVSROOT/groups";
23 my @groups = Read $groups;
25 open FILE, ">/tmp/groups.before";
33 return 1, "Group $group already exists" if $group eq $line;
35 push @groups, $group . "\n";
37 open FILE, ">/tmp/groups.after";