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中国DOS联盟论坛 » DOS批处理 & 脚本技术（批处理室） » How to tell in a batch file whether a certain program has already been loaded? View 1,405　Replies 8
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Original Poster Posted 2002-11-30 00:00　·　 中国 广东 广州 电信
Lydong
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In a batch file, sometimes you want to determine whether a TSR has already been run, so as to execute the corresponding program. What I want to ask is: is there any way to let a batch file detect this automatically?
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Floor 2 Posted 2002-12-01 00:00　·　 中国 广东 佛山 三水区 电信
MYS
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Unless you set an environment variable when starting it, it is impossible for a batch file itself to detect whether a program has already been loaded.
For example, add a line after UCDOS.BAT: “set ucdos=onload"
And if you write a batch file to exit UCDOS, also add "SET UCDOS=" after it
That way, in the batch file you can use IF UCDOS =="onload" to determine whether UCDOS has been loaded.
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Floor 3 Posted 2002-12-01 00:00　·　 美国 肯塔基州 费耶特县 列克星敦 Charter_Communications
Wengier
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You can use some specialized tools, such as TSR Utils, to determine whether a specified program has already been loaded.
Wengier - 新DOS时代

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Floor 4 Posted 2002-12-01 00:00　·　 中国 广东 广州 增城区 电信
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I downloaded TSR Utils, but I don't know how to use it. Wengier, could you introduce it a bit? Thanks!
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Floor 5 Posted 2002-12-01 00:00　·　 美国 肯塔基州 费耶特县 列克星敦 Charter_Communications
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For example: MAPMEM /C COMMAND can determine whether COMMAND is loaded. If you also want to include UMB, add the /U option, that is, MAPMEM /U /C COMMAND. It can not only directly display on the screen whether this program has already been loaded, it will also automatically set the ERRORLEVEL value: if it is loaded, it is 0; if not loaded, it is 2; if there is a syntax error, it is 1.
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Floor 6 Posted 2002-12-01 00:00　·　 中国 广东 广州 增城区 电信
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Why does it stop moving as soon as I enter it (it seems to hang)? I don't know whether there is a problem with the software.
The prompt is as follows:
c:\tsrcom35>mapmem /c command
MAPMEM 3.5, Copyright 1993 TurboPower Software
_
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Floor 7 Posted 2002-12-02 00:00　·　 美国 肯塔基州 费耶特县 列克星敦 Charter_Communications
Wengier
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No way! Could it be that your system was unstable at the time?
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Floor 8 Posted 2003-03-18 00:00　·　 中国 广东 江门 电信
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Try this! Open attachment
Floor 9 Posted 2006-09-24 09:13　·　 新加坡 腾讯云
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::Check whether there is a specified running program in the process list, such as 'explorer.exe'
::------------BY　MOBO[墨伯]
::-------------2006-09-22
wmic process where name='explorer.exe' get caption>out.txt

We should still make more use of WMIC. A stone from another mountain may polish jade; it provides a large number of interfaces for reading software and hardware [about 6000 properties], and also some methods, all of them quite useful.
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