等待过程中窗口的批处理文件结束 [英] wait for process to end in windows batch file

问题描述

我想编写Windows脚本等待，直到一个给定的进程（PID）执行的东西之前已经结束。到目前为止，我有（PID = 1234）：

 ：循环
集VAR =任务列表|找到/ I1234/ C
如果没有（％VAR％'）==0转到循环
**做一点事**
 

但已经行

 组VAR =任务列表|找到/ I1234/ C
 

不起作用，它存储串代替评估。或者，也许它应该？在这种情况下，线

 如果没有（％VAR％'）==0转到循环
 

应该评估VAR的内容，但如果我在一个控制台手动键入此我只是得到

 任务列表|找到/ I是意外
 

我明白双引号

 组VAR =任务列表|找到/ I1234/ C
 

是有问题的，但我需要的PID的每侧（1234中的例子）的空间，以确保它不是另一过程的子（如12345），用于它的正常工作。

任何DOS专家那里？

解决方案

 ：循环
任务列表|找到1234＆GT; NUL
如果没有ERRORLEVEL 1（
    超时/吨，10 -10 NUL
    转到：循环
）
 

获取列表，在搜索内容，如发现（在没有发现错误级别= 1）等待和循环

要获取数据到变量

  FOR / F %%一个在（'任务列表^ |找到/ C1234）并设为VAR = %%一个
 

I would like to write a windows script that waits until a given process (PID) has ended before executing something. So far I have (PID=1234):

:loop
set VAR="tasklist | find /i " 1234 " /c"
if NOT (' %VAR% ')=="0" goto loop
**do something**

but already the line

set VAR="tasklist | find /i " 1234 " /c"

doesn't work, it stores the string instead of the evaluation. Or maybe it's supposed to? In which case the line

if NOT (' %VAR% ')=="0" goto loop

should evaluate the contents of VAR, but if I type this manually in a console I just get

"tasklist | find /i " was unexpected

I understand the double quotes in

set VAR="tasklist | find /i " 1234 " /c"

are problematic but I need a space on each side of the PID (1234 in the example) to ensure that it is not a substring of another process (like 12345) for it to work properly.

Any DOS experts out there?

解决方案

:loop
tasklist | find " 1234 " >nul
if not errorlevel 1 (
    timeout /t 10 >nul
    goto :loop
)

Get the list, search in the content, if found (on not found errorlevel = 1) wait and loop

To get the data into the variable

for /f %%a in ('tasklist ^| find /c " 1234 "') do set "var=%%a"

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