PowerShell default parameters $psdefaultparametervalues combined out-file output to log file _powershell

Output log is an eternal topic, what tracelistener,net4log,nlog,windows with the EventLog, before the automatic redirection PowerShell console output to the file. In fact, with the help of the PowerShell 3.0 powershell default parameter $psdefaultparametervalues, can let out-file, command also become a simple log artifact.

Copy Code code as follows:

$PSDefaultParameterValues [' out-file:filepath '] = ' mylog.txt '
$PSDefaultParameterValues [' out-file:append '] = $true

Set it up, then test it.

Copy Code code as follows:

Ps> ' Log started ' | Out-file
Ps> "time=$ (get-date)" | Out-file
Ps> ' Log ended ' | Out-file
Ps> get-content. \mylog.txt
Log started
time=06/12/2014 11:01:05
Log Ended

article source:http://www.pstips.net/psdefaultparametervalues-2.html