`rename_basic.1' -> `rename_test.1' `rename_basic.2' -> `rename_test.2' `rename_basic.3' -> `rename_test.3' what is rename_basic.? doing here? `rename_all file with spaces.1' -> `rename_all_file_with_spaces.1' `rename_all file with spaces.2' -> `rename_all_file_with_spaces.2' `rename_all file with spaces.3' -> `rename_all_file_with_spaces.3' what is rename_all* *.? doing here? `rename_zz_last_z.x' -> `rename_AAzzBB_last_z.x' `rename_zz_last_z.y' -> `rename_AAzzBB_last_z.y' `rename_zz_last_z.z' -> `rename_AAzzBB_last_z.z' `rename_zz_last_zz.x' -> `rename_zz_last_AAzzBB.x' `rename_zz_last_zz.y' -> `rename_zz_last_AAzzBB.y' `rename_zz_last_zz.z' -> `rename_zz_last_AAzzBB.z' `rename_zz_last_zzz.x' -> `rename_zz_last_zAAzzBB.x' `rename_zz_last_zzz.y' -> `rename_zz_last_zAAzzBB.y' `rename_zz_last_zzz.z' -> `rename_zz_last_zAAzzBB.z' what is rename*last* doing here?