如何编写对象的单个属性的值? [英] How do I write the value of a single property of a object?

问题描述

这是我当前的脚本的样子:

This is how my current script looks like:

$cpu = Get-WmiObject win32_processor | select LoadPercentage
logwrite $cpu #this fuction writes $cpu into a .txt file

文件的输出为:

@{LoadPercentage=4}

我只希望它是数字，以便我进行计算.

I want it to be only the number so that I can make calculations.

推荐答案

这是一个非常简单的解决方案.在运行Get-WmiObject时不必选择LoadPercentage，而只需在调用函数时选择属性即可.这只会将数字写入您的日志文件.

That is a pretty simple fix. Instead of selecting the LoadPercentage when running Get-WmiObject just select the property when calling your function. This will write only the number to your log file.

$cpulogpath = "C:\Monitoring\$date.csv"
function logwrite
{
    param ([string]$logstring)
    add-content $cpulogpath -value $logstring
}

$cpu = Get-WmiObject win32_processor #don't select the property here
logwrite $cpu.LoadPercentage #select it here

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