PowerShell : error

*   All output

1   Success output

2   Errors

3   Warning messages

4   Verbose output

5   Debug messages

Operator Description               Example

——– ———————-     ——————————

>         Sends output to the       Get-Process > Process.txt

specified file.

>       Appends the output to     dir *.ps1 >> Scripts.txt

the contents of the                specified file.

2>       Sends errors to the       Get-Process none 2> Errors.txt

specified file.      2>>       Appends errors to         Get-Process none 2>> Save-Errors.txt

the contents of the                specified file.      2>&1     Sends errors (2) and       Get-Process none, Powershell 2>&1                success output (1)                to the success                output stream.

3>       Sends warnings to the     Write-Warning « Test! » 3> Warnings.txt

specified file.

3>>       Appends warnings to       Write-Warning « Test! » 3>> Save-Warnings.txt

the contents of the

specified file.

3>&1     Sends warnings (3) and     function Test-Warning

success output (1)         { Get-Process PowerShell;

to the success               Write-Warning « Test! » }                output stream.             Test-Warning 3>&1

4>       Sends verbose output to   Import-Module * -Verbose 4> Verbose.txt

the specified file.

4>>       Appends verbose output     Import-Module * -Verbose 4>> Save-Verbose.txt

to the contents of the

specified file.

4>&1     Sends verbose output (4)   Import-Module * -Verbose 4>&1                and success output (1)

to the success output                stream.                  5>       Sends debug messages to   Write-Debug « Starting » 5> Debug.txt                the specified file.

5>>       Appends debug messages     Write-Debug « Saving » 5>> Save-Debug.txt

to the contents of the

specified file.

5>&1     Sends debug messages (5)   function Test-Debug                and success output (1)     { Get-Process PowerShell                to the success output       Write-Debug « PS » }                stream.                   Test-Debug 5>&1

*>       Sends all output types     function Test-Output                to the specified file.     { Get-Process PowerShell, none                                              Write-Warning « Test! »      *>>       Appends all output types     Write-Verbose « Test Verbose »                to the contents of the       Write-Debug « Test Debug » }

specified file.                                                      Test-Output *> Test-Output.txt      *>&1     Sends all output types     Test-Output *>> Test-Output.txt                (*) to the success output Test-Output *>&1                    stream.

Collé à partir de <https://technet.microsoft.com/fr-fr/library/hh847746.aspx>

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