| line | !l | l&&!r | l&&r | condition | 
 
| 38 | 1 | 10 | 0 | &_section_now_reading($this) && &_section_now_reading($this) =~ /^A/ | 
 
|  | 12 | 0 | 11 | $line =~ /^\s*\#(.*)$/ and not &_section_now_reading($this) && &_section_now_reading($this) =~ /^A/ | 
 
| 49 | 0 | 1 | 5 | &_section_now_reading($this) and &_section_now_reading($this) =~ /^[VWPC]/ | 
 
| 106 | 4 | 1 | 0 | not &_section_now_reading($this) and substr($flag, 0, 1) ne 'V' | 
 
| 110 | 1 | 4 | 0 | &_section_now_reading($this) and &_section_already_read($this, substr($flag, 0, 1)) | 
 
| 143 | 1 | 1 | 0 | not $not_first and $$c[0] ne 'DEPT' | 
 
|  | 2 | 0 | 0 | not $not_first and $$c[0] ne 'DEPT' and $$c[0] ne 'DEPTH' | 
 
|  | 1 | 0 | 0 | not $not_first and $$c[0] ne 'DEPT' and $$c[0] ne 'DEPTH' and $$c[0] ne 'TIME' | 
 
| 175 | 2 | 0 | 0 | $line =~ /^\s*\~(.*)$/ and &_process_flag($this, $1) | 
 
| 187 | 0 | 3 | 1 | looks_like_number($columns[$i]) and $columns[$i] == $$this{'NULL VALUE'} |