Recognizes 168 different guru numbers and translates them to "human
understandable form".  Can also print the result.  

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                  243     624  38.9% -lh5- 5779 Nov 20  1991 ShowGuru.info
[generic]                   38      38 100.0% -lh0- 067f Nov 20  1991 ShowGuru/.info
[generic]                  125     152  82.2% -lh5- 283c Nov 20  1991 ShowGuru/ReadMe.fnf
[generic]                  243     624  38.9% -lh5- 917a Nov 20  1991 ShowGuru/ShowGuru-D.info
[generic]                   42      42 100.0% -lh0- 97c5 Nov 20  1991 ShowGuru/ShowGuru-D/.info
[generic]                 3236    7467  43.3% -lh5- 3469 Nov 20  1991 ShowGuru/ShowGuru-D/Anleitung
[generic]                  642     734  87.5% -lh5- 5337 Nov 20  1991 ShowGuru/ShowGuru-D/Anleitung.info
[generic]                35699   71084  50.2% -lh5- c9dc Nov 20  1991 ShowGuru/ShowGuru-D/ShowGuruV2.1b-D
[generic]                  406    3218  12.6% -lh5- 2de9 Nov 20  1991 ShowGuru/ShowGuru-D/ShowGuruV2.1b-D.info
[generic]                  241     624  38.6% -lh5- 5f75 Nov 20  1991 ShowGuru/ShowGuru-E.info
[generic]                   39      39 100.0% -lh0- a6dd Nov 20  1991 ShowGuru/ShowGuru-E/.info
[generic]                 2739    6557  41.8% -lh5- aea7 Nov 20  1991 ShowGuru/ShowGuru-E/ReadMe
[generic]                  641     734  87.3% -lh5- c014 Nov 20  1991 ShowGuru/ShowGuru-E/ReadMe.info
[generic]                34251   66900  51.2% -lh5- 5eff Nov 20  1991 ShowGuru/ShowGuru-E/ShowGuruV2.1b-E
[generic]                  408    3218  12.7% -lh5- 3914 Nov 20  1991 ShowGuru/ShowGuru-E/ShowGuruV2.1b-E.info
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total        15 files   78993  162055  48.7%            Nov 20  1991