What is this additional "compatibility" line that I often see for CTMOUSE? \ VOGONS

What is this additional "compatibility" line that I often see for CTMOUSE?

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First post, by Kahenraz

Posted on 2019-03-10, 11:40

Kahenraz Offline

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Joined: 2004-01-22, 04:57

Some AUTOEXEC.BAT:

1...
2LH CTMOUSE
3REM For compatiblity purpose:
4LH CTMOUSE > NUL
5...

Notice that CTMOUSE gets called a second time with its output redirected to NUL. Any idea why?

Reply 1 of 1, by dr_st

Posted on 2019-03-10, 11:57

dr_st Offline

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Posts: 3690
Joined: 2015-04-09, 07:18

"Often"? Where did you see it often? I never saw it at all.

What I can guess is that on some computers CTMOUSE may fail to work unless loaded twice, and the redirection to >NUL is just to avoid it output to the screen twice.

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