|  line  | 
 true  | 
 false  | 
 branch  | 
 
| 
18
 | 
 0  | 
 5  | 
 unless ($vc)  | 
 
| 
41
 | 
 1  | 
 0  | 
 if ($backup_file =~ /^$file.~(\d+)~$/)  | 
 
| 
47
 | 
 1  | 
 2  | 
 if (@version_numbers)  | 
 
| 
62
 | 
 1  | 
 2  | 
 if ($max_version_number)  | 
 
| 
69
 | 
 0  | 
 3  | 
 if (-f $next_file)  | 
 
| 
81
 | 
 2  | 
 0  | 
 unless ($suffix)  | 
 
| 
106
 | 
 0  | 
 0  | 
 if ($max_version_number) { }  | 
 
| 
121
 | 
 1  | 
 5  | 
 if (not -f $file) { }  | 
 
| 
127
 | 
 0  | 
 5  | 
 if (not $version_control or $version_control eq 'existing' or $version_control eq 'nil')  | 
 
| 
132
 | 
 3  | 
 2  | 
 if ($version_control eq 'numbered' or $version_control eq 't') { }  | 
 
| 
 | 
 2  | 
 0  | 
 elsif ($version_control eq 'simple' or $version_control eq 'never') { }  | 
 
| 
150
 | 
 0  | 
 3  | 
 unless (-f $file)  | 
 
| 
154
 | 
 0  | 
 3  | 
 if (-f $backup_file)  | 
 
| 
155
 | 
 0  | 
 0  | 
 unless unlink $backup_file  | 
 
| 
157
 | 
 0  | 
 3  | 
 unless rename $file, $backup_file  |