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#combien d'éléments à sauvegarder ?
$limit=5
ls $SourceDir |sort lastwritetime -desc |select -skip $limite  # | remove-item

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$col=@()
#...
# instead adding an hashtable to the collection, we convert it to psobject 
$prop=@{"serveur"="$computername";"nom"="$n";"programme"="$p";"arguments"="$a";	"xml"="$x"}
$col+= new-object -type pscustomobject -property $prop

#this allow us to export data to csv
$r |select serveur,nom,programme, arguments,xml |export-csv -path c:\temp\tasks.csv -notype -delimiter ';' -append 

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#exemple pour extraire une adresse IP

$ipaddress=[regex]::match($awsoutput,"\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\b").Value 

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# replace versionnumber="xxx" whith versionnumber="yyy"
(gc C:\temp\config.xml) -replace '(newversion=)".*"' ,'$1"yyy"' # if you want to save the file add |sc c:\temp\config.xml

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[CmdletBinding()] #make script react as cmdlet (-verbose etc..)
	param(
		[Parameter(Position=0, Mandatory=$true,ValueFromPipeline = $true)]
		[ValidateNotNullOrEmpty()]
		[System.String]
		$service,

		[Parameter(Position=1)]
		[System.string]
		$computername="local"

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# create task from its xml definition
$sch = New-Object -ComObject("Schedule.Service")
$sch.connect("computername")

$root=$sch.GetFolder("\")
$root.CreateFolder("subfolder")
$folder =$sch.GetFolder("\subfolder") 
  	
#import .xml
Get-childItem -path $task_path -Filter *.xml | %{

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# Templata.ps1
# author: Loic MICHEL
# date: 10/09/2013
# abstract: make all errors terminating errors and send email + raise event in case of failure
#


[CmdletBinding()]param(
  
)