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cce27559b1
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218
backup.ps1
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218
backup.ps1
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param (
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[cmdletbinding()]
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[string]$conf= "",
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[switch]$debug = $false,
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[switch]$log = $false
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)
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Set-StrictMode -Version 2
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#$PSDefaultParameterValues['Out-File:Encoding'] = 'utf8'
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#$OutputEncoding = [console]::InputEncoding = [console]::OutputEncoding = New-Object System.Text.UTF8Encoding
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$net_default_letter = "S"
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$global:logfile = $false
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$tmp_path = "$PSScriptRoot\tmp"
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$global:bin_path = "$PSScriptRoot\bin"
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$ProgressPreference = "SilentlyContinue"
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$ErrorActionPreference = "SilentlyContinue"
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if ( $debug ) {
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$DebugPreference = "Continue"
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}
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Import-Module -Name "$PSScriptRoot\lib\backupscript-global_utils.psm1" -Scope Global -Force
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function json_to_hash () {
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[CmdletBinding()]
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Param(
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[Parameter(
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Mandatory=$True,
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ValueFromPipeline=$True
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)]
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$json
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)
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Write-Debug "Call json_to_hash with $json"
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$r = @{}
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$json.psobject.properties | Foreach {
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Write-Debug "Found value $_"
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$r[$_.Name] = $_.Value
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}
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return $r
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}
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function eval_var () {
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[CmdletBinding()]
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Param(
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[Parameter(Mandatory=$True)]
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[string]
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$var
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)
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Write-Debug "$var Need to be evaluated"
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$var = $ExecutionContext.InvokeCommand.ExpandString($var)
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Write-Debug "Result $var"
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return $var
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}
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if ( -not $conf ) {
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$conf = "$PSScriptRoot\etc\backup.json"
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Write-Debug "Configuration file not provided, use $conf"
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}
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if ( $log ) {
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$logname = (Get-Item $conf ).Basename
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$global:logfile = "$PSScriptRoot\log\$((Get-Date).ToString("yyyy.MM.dd"))_$($logname).log"
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write-debug "Write fo Set-Messagefile $($global:logfile) "
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# Zip old messah=ges (Archives)
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# TODO: Test this functionnality
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if ( Test-Path "$($PSScriptRoot)/bin/7za.exe") {
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$command = -join( $PSScriptRoot, "/bin/7za.exe", " u")
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Write-Debug " Archive old loh file with $($command)"
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# Select Set-Message file older than 15 days
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Get-ChildItem "$($PSScriptRoot)\log\*$($logname).log" -Recurse -File | Where CreationTime -lt (Get-Date).AddDays(-15) | % {
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# Put file in the right zip file by name
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$execute = -join(
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$command,
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" `"",
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$PSScriptRoot,
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"\log\",
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$logname,
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".archives.",
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$_.CreationTime).ToString("yyyy.MM"),
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".log.7z`"",
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" `"",
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$_.FullName,
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"`""
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)
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write-debug "Set-Message command archive: $($execute)"
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try {
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Invoke-Expression $execute | Out-Null
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Remove-Item -Path $_.FullName
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}
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catch {
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Set-Message "WARNING" "Can't zip $($_.Fullname) log files"
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}
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}
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}
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}
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Write-Debug "Loaded script from $PSScriptRoot"
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# Temporary directory creation / clean
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if ( Test-Path $tmp_path ) {
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Write-Debug "Remove file in $tmp_path"
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Remove-Item -Path $tmp_path\* -recurse -Force
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}
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else {
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Write-Debug "Create directory $tmp_path"
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New-Item -ItemType Directory -Force -Path $tmp_path
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}
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# Parse JSON
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try {
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$backup = Get-Content $(Get-ChildItem $conf -).FullName -Raw | ConvertFrom-Json
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}
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catch {
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Set-Error "Error While Loading JSON : $conf"
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exit
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}
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Write-Debug "configuration $conf loaded successfully"
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$backup.actions | % {
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$destination = ""
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$source = ""
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# Test input path
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Write-Debug "Process action : $($_.name) | type: $($_.type)"
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if ( $_.psobject.properties.match('source_eval').Count -and $_.source_eval -eq $true ) {
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$_.source = eval_var $($_.source)
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Write-Debug "Result $($_.source)"
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}
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if ( $_.source -eq "{{tmpdir}}" ) {
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Write-Debug "source is the temp directory"
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$source = $tmp_path
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}
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elseif ( -not (Test-Path $_.source) -and $_.source ) {
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Set-Message "Source path $($_.source) not found `n`n"
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continue
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}
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else {
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Write-Debug "Source is a regular directory"
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$source = $_.source
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}
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# Test output path
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if ( $_.dest -match "^\\.*$"){
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Write-Debug "Destination is a network path"
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if ( -not $_.username -or -not $_.pass ) {
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Set-Error "you must specify a username and a password"
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return
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}
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#Mount Network Drive
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$cred = New-Object System.Management.Automation.PSCredential($_.username, ($_.pass | ConvertTo-SecureString))
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try {
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# get-psdrive
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# Use Securestring to secure Password
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# get secured password :
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# ("Passw00rd" | ConvertTo-SecureString -AsPlainText -Force | ConvertFrom-SecureString)
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New-PSDrive -Credential $cred -Name $net_default_letter -Root $($_.dest) -PSProvider FileSystem -Persist -Scope Script -ErrorAction Stop | Out-Null
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$destination = "$($net_default_letter):"
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}
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catch {
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Set-Error "Can't mount the network share"
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Write-Debug $error[0].Exception
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return
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}
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}
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elseif ( $_.dest -eq "{{tmpdir}}" ){
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Write-Debug "Destination is the temporary folder ($tmp_path)"
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$destination = $tmp_path
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}
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else {
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Write-Debug "$($_.dest) seems to le a local path"
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if ( Test-Path $_.dest ) {
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$destination = $_.dest
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}
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else {
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Set-Error "Destination '$($_.dest)' doest not exit"
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return
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}
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}
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Write-Debug "Begin backup of $($_.name)"
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if ( $_.psobject.Properties.Name -contains "options") {
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$opt = $_.options | json_to_hash
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}
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else{
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$opt = $false
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}
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try {
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Import-Module -Name "$PSScriptRoot\lib\backupscript-$($_.type).psm1" -Force
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Backup-Create -source $source -dest $destination -name $_.name -opt $opt #-EA Stop
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if ( $_.psobject.properties.match('hook_postexec').Count -and $_.hook_postexec -ne "" ) {
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Set-Message "Postexec hook : execute $($_.hook_postexec)"
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Invoke-Expression $_.hook_postexec
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}
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}
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catch {
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Set-Error $Error[0].FullyQualifiedErrorId
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}
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finally{
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# Properly remove net drive if mounted
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if ( Test-Path "$($net_default_letter):" ){
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Remove-PSDrive -Name $net_default_letter
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}
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# Remove Module
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Remove-Module -Name $_.type -Force
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}
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}
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Set-Message "Backup operation done"
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