brown@nicmad.UUCP (08/09/85)
*** REPLACE THIS LINE WITH YOUR MESSAGE *** According to PC WEEK, IBM is sending dealers a floppy disk called, IBM Personal Computer DOS Patch Utility It will be used on all DOSs from 1.1 through 3.1. See your local dealer for details on getting your DOS diskette updated. In the meantime, here is a partial list of what is fixed: DOS 1.1 GRAPHICS.COM has been appended to DOS 1.1 DOS 2.0 FORMAT.COM repaired so that it will recognize bad hard disk sectors. DOS 2.1 TREE.COM would fail if a directory name (11 characters long) in the root directory had at least one sub-directory. DOS 3.0 Everyone knows about the BACKUP screw-up DOS 3.1 IBMDOS.COM would sometimes say 'disk full' when programs written using the IBM BASIC Compiler (vers 1.0) while executing certain batch files. Here is another patch that I got off the bulleting board, that I forgot about, that fixes a problem with batch file %VARIABLE% operations. The problem has been fixed in DOS 3.1 ------------- cut here --------------- Batch processing in DOS 3.00 will truncate lines that use %name% environment variables. (Of course ther's no way to get IBM to admit to a problem in a feature they don't document.) For example (with set NAME-VALUE1) IF %NAME% == VALUE1 ECHO I GOT WHAT I WANT becomes IF VALUE1 and causes a syntax error. IF VALUE1 == %NAME% ECHO I GOT IT becomes IF VALUE1 == VALUE1 and you still have a problem. If %NAME% is the last word in a BAT line the problem goes undetected. GOTO %NAME% works fine. The following patch will make all well again. DEBUG COMMAND.COM u172b;to verify the following xxxx:172B E8CD0E CALL 25FB xxxx:172E 06 PUSH ES a172b jmp 453a;jump to patch - overlays a message "Access denied" a453a push cx call 25fb pop cx jmp 172e e47b0 61;makes version 3.00a in VER command so you know you have patch ;you can make this any character that pleases you. w;should write 561a bytes q -- |------------| | |-------| o| HRD725U & PV9600 Mr. Video | |AV-2010| o| |--------------| | | | | | |----| o o o | | |-------| O| |--------------| |------------| VHS Hi-Fi (the only way to go) {seismo!uwvax!|!decvax|!ihnp4}!nicmad!brown
brown@nicmad.UUCP (08/09/85)
In article <300@nicmad.UUCP> brown@nicmad.UUCP (Mr. Video) writes: OOPS! The finger poking gremblin got me, so here is a correction to the previous posting: >For example (with set NAME-VALUE1) ^^^^^^^^^^^ NAME=VALUE1 -- |------------| | |-------| o| HRD725U & PV9600 Mr. Video | |AV-2010| o| |--------------| | | | | | |----| o o o | | |-------| O| |--------------| |------------| VHS Hi-Fi (the only way to go) {seismo!uwvax!|!decvax|!ihnp4}!nicmad!brown