This script will fix broken archives made by buggy lha tools,
see https://www.google.com/search?q=site%3Aaminet.net+%22+1980%22

Command returned 0  -> ok or usage
Command returned 5  -> no fix required
Command returned 10 -> no tempfile
Command returned 20 -> working lha tool required

USE AT YOUR OWN RISK.

PERMISSION  UID  GID    PACKED    SIZE  RATIO METHOD CRC     STAMP     NAME
---------- ----------- ------- ------- ------ ---------- ------------ ----------
[generic]                  508     899  56.5% -lh5- 7054 Sep 22 02:04 fix1980.rexx
---------- ----------- ------- ------- ------ ---------- ------------ ----------
 Total         1 file      508     899  56.5%            Sep 23 04:12