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DOS疑难解答 & 问题讨论（解答室） » What's wrong with this autoexec.bat?

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Floor16　lianjiang2004	Posted 2007-04-20 22:57
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I tried it and found that your (A： C：) has a problem. Change it to (A: C:). You're using full-width characters.

Floor17　BWSkyer	Posted 2007-04-20 23:00
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Then can the if exist above still be used to check a drive letter??

Floor18　BWSkyer	Posted 2007-04-20 23:03
中级用户　Posts 180　Credits 367　From 重庆
Originally posted by lianjiang2004 at 22:57: I tried it and found that your (A： C：) has a problem. Change it to (A: C:). You're using full-width characters. I tested it myself.. it works.. Then the OP's problem is full-width vs. half-width.. :P

Floor19　terse	Posted 2007-04-20 23:08
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Ah? So that's what it was. Thanks, I'll go try it!

Floor20　terse	Posted 2007-04-20 23:41
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I changed it; the problem is still there! So frustrating!

Floor21　lianjiang2004	Posted 2007-04-20 23:48
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Originally posted by terse at 2007-4-20 23:41: I changed it; the problem is still there! So frustrating! Is %ud% still empty? I tested it and it has a value.

Floor22　lianjiang2004	Posted 2007-04-20 23:49
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Otherwise, upload the related files needed and test it.

Floor23　terse	Posted 2007-04-20 23:54
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Originally posted by lianjiang2004 at 2007-4-20 23:49: Otherwise, upload the related files needed and test it. By uploading the related files needed, you mean?

Floor24　0451lym	Posted 2007-04-20 23:57
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%ud% is empty. Why? No need to test anymore, because this kind of check won't be recognized under the NT family, so give up this kind of checking (it can't be universal)! You can work around it by using DIRT to get the variable value of the current drive letter! [ Last edited by 0451lym on 2007-4-20 at 11:59 PM ]

Floor25　terse	Posted 2007-04-21 00:08
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Originally posted by 0451lym at 2007-4-20 23:57: %ud% is empty. Why? No need to test anymore, because this kind of check won't be recognized under the NT family, so give up this kind of checking (it can't be universal)! You can work around it by using DIRT to get the variable value of the current drive letter! [ Last edited by 0451lym on 2007-4-20 at 11:59 PM ] This kind of check won't be recognized under the NT family? I'll just use VOL to check then, or CD> whichever is simpler

Floor26　0451lym	Posted 2007-04-21 00:11
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CD> is simple

Floor27　terse	Posted 2007-04-21 02:23
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Using the following below, OK! I just don't know how to explain it! Who can explain it? if %comspec%==A:\CONFIG.SYS goto next\|set ud=A: if %comspec%==C:\CONFIG.SYS goto next\|set ud=C:

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