15 if(/^\s*(?:set\s+|seta\s+)(\S+)/ or /^\s*(\S+_\S+)/)
17 if(exists $cvar2line{$1})
19 $lines[$cvar2line{$1}] = $_;
23 $cvar2line{$1} = scalar @lines;
27 elsif($first) # only take comments, empty lines from the first config
35 print "$_\n" for @lines;