Redirection operators

Chapter 3, Working with Objects in PowerShell, started exploring the different output streams PowerShell utilizes.Information from a command may be redirected using the redirection operator, >. Information may be sent to another stream or a file.For example, the output from a command can be directed to a file. The file contains the output as it would have been displayed in the console:

PS> Get-Process -Id $pid > process.txt
PS> Get-Content process.txt
NPM(K)    PM(M)      WS(M)     CPU(s)      Id  SI ProcessName
 ------    -----      -----     ------      --  -- -----------
     78   144.69     186.91      12.69   15284   1 pwsh

Each of the streams in PowerShell has a number associated with it. These are shown in the following table:

Stream name	Stream number
Standard out	1
Error	2
Warning	3
Verbose	4
Debug	5
Information	6

Table 6.13: PowerShell streams

Each of the preceding streams can be redirected. In most cases, PowerShell provides...