Windows Batch Wmic OS获得FreePhysicalMemory

我尝试编写一个批处理文件,该文件为我提供了可用的物理内存。该批处理应每隔X秒在文本文件中写入一个时间戳和以下命令:

wmic OS get FreePhysicalMemory

我的批处理文件如下:

:loop
(
@echo %time% %date%  
wmic OS get FreePhysicalMemory /Value
)>testMEMORY.txt
timeout /t 10 
goto loop

这是输出:

13:54:54,76 04.11.2019  




 F r e e P h y s i c a l M e m o r y = 7 2 0 6 6 4 8 

我不明白,为什么我有很多新行,并且每个字符后都有一个空格。有人可以帮我吗?

hmd520 回答:Windows Batch Wmic OS获得FreePhysicalMemory

WMIC的输出是unicode!

可以通过将值传递到另一个<CR>循环中来删除结尾的FOR /F

这还会删除幻影的“空白”行(实际上是<CR>

@echo off
If Exist testMEMORY.txt Del testMEMORY.txt
:loop
(
    @echo %time% %date%  
    for /f "skip=1 delims=" %%a in ('wmic OS get FreePhysicalMemory /Value') do (
        for /f "delims=" %%b in ("%%a") do (
            echo %%b
        )
    )
)>>testMEMORY.txt
timeout /t 10 /nobreak>nul 
goto loop

所以,我得到testMEMORY.txt这样的结果:

15:32:19.02 04/11/2019  
FreePhysicalMemory=528592
15:32:29.19 04/11/2019  
FreePhysicalMemory=530804
15:32:39.14 04/11/2019  
FreePhysicalMemory=531156
15:32:49.21 04/11/2019  
FreePhysicalMemory=530968
15:32:59.16 04/11/2019  
FreePhysicalMemory=531936
15:33:09.23 04/11/2019  
FreePhysicalMemory=530376
15:33:19.18 04/11/2019  
FreePhysicalMemory=524980
15:33:29.16 04/11/2019  
FreePhysicalMemory=521816
15:33:39.21 04/11/2019  
FreePhysicalMemory=465820
15:33:49.17 04/11/2019  
FreePhysicalMemory=461312
15:33:59.17 04/11/2019  
FreePhysicalMemory=385172
15:34:14.21 04/11/2019  
FreePhysicalMemory=529800
15:34:24.13 04/11/2019  
FreePhysicalMemory=541064
,

由于您的命令输出几乎没有机会包含UTF-16之外不可用的字符,因此我将提供此简单的修复程序,我认为这将提供可接受的输出。

:Loop
@>"testMEMORY.txt" (    Echo %TIME% %DATE%
    WMIC OS Get FreePhysicalMemory /Value|Find "=")
@Timeout 10 >NUL 
@GoTo Loop
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