查找Windows批处理过程开业 [英] Find opened process in Windows batch

问题描述

我想写code哪些循环，如果某个进程被打开或不告诉。它应该是一个循环，会告诉我实时如果过程被打开或没有。换句话说，该程序被打开时的文本将会改变，当它关闭再次改变。相反，我得到的是具有相同文本的洪水，并没有表现出回声报在它下面。

我试过这样：

 关闭@echo
转到xera
：开始
任务列表/ FIIMAGENAME EQ的notepad.exe|查找/ I的notepad.exe＆GT; NUL
IF％ERRORLEVEL％EQU 0 ECHO被打开
IF％ERRORLEVEL％EQU 1 ECHO心不是开
：xera
    集/ P=状态：＆LT;＆NUL放大器;拨打：//开始的code得到了'卡'在这里
    ECHO文本2（犯规秀）
    暂停＆GT; NUL
 

解决方案

您不会终止您的子程序：启动正确。请尝试以下操作：

 关闭@echo
转到xera
：开始
任务列表/ FIIMAGENAME EQ的notepad.exe|查找/ I的notepad.exe＆GT; NUL
IF％ERRORLEVEL％EQU 0 ECHO被打开
IF％ERRORLEVEL％EQU 1 ECHO心不是开
退出/ B
：xera
集/ P=状态：＆LT;＆NUL放大器;拨打：启动
ECHO文本2（犯规秀）
暂停＆GT; NUL
 

我插入退出/ B 让命令间preTER的呼叫后返回到命令实际上把它称为声明。你也可以使用转到：EOF 来代替。键入呼叫/？有关如何调用子程序批次的详细信息。

I'm trying to write code which loops and tells if a certain process is opened or not. It should be a loop that will show me in real time if the process is opened or not. In other words, a text will change when the program is opened and change again when it's closed. Instead what I got was a flood with the same text and it doesn't show the 'echos' below it.

I tried this:

@echo off 
goto xera
:start 
tasklist /FI "IMAGENAME eq notepad.exe" | find /I "notepad.exe" > nul
IF %ERRORLEVEL% equ 0 ECHO is opened
IF %ERRORLEVEL% equ 1 ECHO isnt opened 
:xera
    set /p "=Status: " <nul &call :start //the code got 'stuck' here
    ECHO Text 2 (doesnt show)
    pause>nul

解决方案

You are not terminating your sub-routine :start correctly. Try the following:

@echo off 
goto xera
:start 
tasklist /FI "IMAGENAME eq notepad.exe" | find /I "notepad.exe" > nul
IF %ERRORLEVEL% equ 0 ECHO is opened
IF %ERRORLEVEL% equ 1 ECHO isnt opened
exit /b
:xera
set /p "=Status: " <nul &call :start
ECHO Text 2 (doesnt show)
pause>nul

I inserted exit /b which tells the command interpreter to return to the command after the call statement that actually called it. You could also use goto :EOF instead. Type call /? for more information on how to call sub-routines in batch.

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