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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(
  
) 

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

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# some ways to remove empty lines when splitting strings
# for example 

# $text = "Video  Video  Audio  Audio  VBI    VBI"
# $text.Split()
# outputs this

# Video

# Video

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<#
PARSING (log) files.
when log files contains several colums on the same line we can use importfrom-csv
but how to do when log files is organized 'by lines' ?

example 
Name: ENC1
IPv4 Address: 172.16.2.101
Link Settings: Forced, 100 Mbit, Full Duplex
Name: ENC2

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# running dos command with lengthy parameters may sometimes be difficult to run from powershell
# one easy step that may correct the problem is to call cmd.exe /c before calling the command :

# this will not work
# & c:\windows\handle.exe /accepteula .d1 > C:\upf\logs\backup\handle.txt

# this is OK
start-process -Wait -NoNewWindow  cmd.exe "/c handle.exe .d1 > C:\upf\logs\backup\handle.txt"

# starting at PS V3.0 we can also use the escape operator : --% ( will stop powershell resolving variables except cmd ones like %computername% )