Use the -r option to replace existing files in the library. If the library does not exist, a new library file is created and a diagnostic message is written to standard error. You can use this option in conjunction with other compatible command-line options.

-q is an alias for -r.

If no files are specified and the library exists, the results are undefined. Files that replace existing files do not change the order of the library.

If the -u option is used, then only those files with modification dates later than the library files are replaced.

If the -a, -b, or -i option is used, then pos_name must be present and specifies that new files are to be placed after (-a) or before (-b or -i) pos_name. Otherwise the new files are placed at the end.

armar -r mylib.a obj1.o obj2.o obj3.o

armar -ru mylib.a k*.o