Getting started with powershell
Use Get-Date in PowerShell to get the date and time and format the output
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# # there is a cmdlet of Get-Date in PowerShell, which can be used to return the current date and time directly. Use the-Format parameter to return the current year, month, day, hour, minute, second, and so on. Yyyy M / d / h / 24 / m minutes / s # # PS H:\ > Get- date July 17, 2019 19:17:30PS H:\ > Get-Date-format yyyyMMdd20190717 example if you have heard of PowerShell for the first time and want to wait and see a little, let's take a look at the following 10 examples. [mathematical calculation] (39079-51) * 497 Universe 28 =? No matter how fast the mental arithmetic is, it should not be as fast as hitting the enter key: PS > (39th 79-51) * 497pm 281189.25 [date] how many minutes are there before the next Valentine's Day? I know how many days away is easy to calculate, what if it becomes minutes? $now=Get-Date$day= [datetime]'2-14'if ($now-lt $day) {$day.Subtract ($now) .TotalMinutes} else {$day.AddYears (1). Subtract ($now) .TotalMinutes} [capacity] 3GB > 3145726KB? can PS > 3gb-gt 3145726kbTrue [ID] produce a GUID? PS > [guid]:: NewGuid () Guid----0f283ab4-f402-400c-98ce-359442f11f1a [File] what is the size of all executable files exe in the Windows directory? Dir $env:windir-Filter * .exe | measure-Sum Length [registry] what is the value of 'Enable64Bit'' under the registry path HKEY_LOCAL_MACHINE\ SOFTWARE\ Microsoft\ .NET Framework? (Get-ItemProperty-Path hklm:SOFTWARE\ Microsoft\ .NET Framework) .is a certificate with a fingerprint of [28DE15612AFF1CD69596AB17AF06AE86CB9C003B] in the certificate store? Ls Cert:\ LocalMachine\ My\ | where {$_ .Thumbprint-eq '28DE15612AFF1CD69596AB17AF06AE86CB9C003B'} has the printer service been started? Get-Service spooler [process] how many IE processes are currently running? (Get-Process iexplore) .count [report] exports all running process information as a HTML report? Get-Process | ConvertTo-Html | Out-File a.html now knows the power of powershell. Powershell is relatively easy to use on the windows platform.
