Write-CmLogFile.ps1
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Function Write-CmLogFile { <# .SYNOPSIS Write CMTrace formated messages to the log file .DESCRIPTION Appends a new line to the log file with the message provided in the parameters and formats the log entry in CMTrace readable format .PARAMETER LogFile Mandatory. Specifies the path to the log file that will be updated. .PARAMETER Message Mandatory. Specifies the string that will be written to the log file. .PARAMETER LogLevel Optional. Specifies the severity level of the message, this defaults to Informational if not specified. .PARAMETER Clobber Optional. Changes the default function to overwrite an existing file instead of appending to it. .EXAMPLE Write-CmLogFile -LogFile 'C:\Logs\MyLog.log' -Message "This is an informational message" Writes a informational message to a new line in the log file 'C:\Logs\MyLog.log'. .EXAMPLE Write-CmLogFile -LogFile $LogFile -Message "This is an error message" -LogLevel Error Writes an error message to a new line in the log file specified in the $LogFile variable. .EXAMPLE Write-CmLogFile -LogFile $LogFile -Message "This is an error message" -LogLevel Error -Clobber Writes an error message to a new file, overwritting any existing file specified in the $LogFile variable. .LINK https://github.com/twillin912/PowerShellScripts .NOTES Author: Trent Willingham Check out my other scripts and projects @ https://github.com/twillin912 Change Log v1.00 2016-08-09 Initial Release #> #Requires -Version 3.0 [CmdletBinding()] Param ( [Parameter(Mandatory=$true, Position=0)] [string]$LogFile, [Parameter(Mandatory=$true, Position=1, ValueFromPipeline)] [string]$Message, [Parameter()] [ValidateSet('Info','Warning','Error')] [string]$LogLevel, [Parameter()] [switch]$Clobber ) # /Param Begin { If ( $MyInvocation.ScriptName ) { $RunningContext = "$($MyInvocation.ScriptName | Split-Path -Leaf):$($MyInvocation.ScriptLineNumber)" } Else { $RunningContext = 'Console' } If ( -not ( $Global:TimeZoneOffset ) ) { $Global:TimeZoneOffset = (Get-WmiObject -Query "SELECT Bias FROM Win32_TimeZone").Bias } } Process { Switch ( $LogLevel ) { "Info" { $Level = 1 } "Warning" { $Level = 2} "Error" { $Level = 3 } Default { $Level = 0 } } # /Switch $LogTime = "$(Get-Date -Format HH:mm:ss).$((Get-Date).Millisecond)$TimeZoneOffset" $Line = $Line = '<![LOG[{0}]LOG]!><time="{1}" date="{2}" component="{3}" context="" type="{4}" thread="{5}" file="">' $LineFormat = $Message, $LogTime, (Get-Date -Format MM-dd-yyyy), $RunningContext, $Level, $pid $Line = $Line -f $LineFormat If ( $Clobber ) { Set-Content -Value $Line -Path $LogFile -Encoding UTF8 } else { Add-Content -Value $Line -Path $LogFile -Encoding UTF8 } } # /Process } # /Write-CmLogFile |