Lets you, for example, to change all #?.iff files to #?.ilbm. Useful if you
crave for order. Can also handle front extensions, eg mod.#?.

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                  406     760  53.4% -lh5- ab57 Dec  5  1994 NewEXT.info
[generic]                  567    1008  56.2% -lh5- 8201 Oct 20  1994 NewEXT/Distribution.doc
[generic]                  427     645  66.2% -lh5- 40b8 Dec  5  1994 NewEXT/Distribution.doc.info
[generic]                  279     467  59.7% -lh5- 507f Sep  2  1992 NewEXT/Install_NewExt
[generic]                 1026    1888  54.3% -lh5- 1fb4 Dec  5  1994 NewEXT/Install_NewExt.info
[generic]                 5144    8448  60.9% -lh5- bc38 Dec 19  1994 NewEXT/NewExt
[generic]                 1369    2836  48.3% -lh5- 2217 Sep  6  1994 NewEXT/NewEXT.doc
[generic]                  433     664  65.2% -lh5- c005 Dec  5  1994 NewEXT/NewEXT.doc.info
[generic]                  194     283  68.6% -lh5- 3aa7 Dec 19  1994 NewEXT/NewExt.readme
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         9 files    9845   16999  57.9%            Dec 21  1994