-.TP
-.B P
-Use the full path name when matching names in the archive.
-.B ar
-can not create an archive with a full path name (such archives are not
-POSIX complaint), but other archive creators can. This option will
-cause
-.B ar
-to match file names using a complete path name, which can be
-convenient when extracting a single file from an archive created by
-another tool.
-