PowerShell snippets

///////////////////
Get-Process |
Select-Object Name,
              ID,
              @{n='VirtualMemory(MB)';e={$PSItem.VM/ 1MB}},@{n='PagedMemory(MB)';e={$PSItem.PM/ 1MB}}
///////////////////
Get-Volume | Where-Object -Filter { $PSItem.HealthStatus -eq 'Healthy' -or $PSItem.SizeRemaining -gt 100MB }
///////////////////
Get-Volume | Where-Object -Filter { $_.HealthStatus -eq 'Healthy' -or $_.SizeRemaining -gt 100MB }

///////////////////

Get-Service -ComputerName "localhost", "WIN-THODEPOGFK1"| Format-Table -Property MachineName, Status, Name, DisplayName -auto

///////////////////

function WLog
{
    param([string]$Log, [bool]$bligne=$false)

    if ($bligne)
    {
        Add-Content -Path ($Destination +'Log.log') -Value '---------------------------------------------------'
        Write-Host '---------------------------------------------------'
        if ($bDebug)
        {
            Read-Host $Log
        }
    }
    [string]$Dat = Get-Date
    $log2 = $Dat + ' -> ' + $Log
    Add-Content -Path ($Destination +'Log.log') -Value $Log2
    Write-Host $Log2
}

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Try
{
    $Result = Copy-Item -Path 'C:\Test\toto.txt' D:\Perso -ErrorAction Stop
}
catch
{
    write-host $Error[0]
}

Write-Host 'Fin'

--------------------------------------------------------------------------------------

function Copy-File {
    param( [string]$from, [string]$to)
    $ffile = [io.file]::OpenRead($from)
    $tofile = [io.file]::OpenWrite($to)
    Write-Progress -Activity "Copying file" -status "$from -> $to" -PercentComplete 0
    try {
        [byte[]]$buff = new-object byte[] 4096
        [int]$total = [int]$count = 0
        do {
            $count = $ffile.Read($buff, 0, $buff.Length)
            $tofile.Write($buff, 0, $count)
            $total += $count
            if ($total % 1mb -eq 0) {
                Write-Progress -Activity "Copying file" -status "$from -> $to" `
                   -PercentComplete ([int]($total/$ffile.Length* 100))
            }
        } while ($count -gt 0)
    }
    finally {
        $ffile.Dispose()
        $tofile.Dispose()
        Write-Progress -Activity "Copying file" -Status "Ready" -Completed
    }
}

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///////////////////

'Date: 02/09/2013' –match '^Date:\s(?<date>(?<jour>\d{2})/>(?<mois>\d{2})/>(?<annee>\d{4}))$'

[string[]]$Jours='Lu','Ma','Me','Je','Ve','Sa','Di'
$Jours[0]
$Jours[-1]
$jours.Length
$jours+='Dredi'
$Jours[-1]


If($res|Where {$_ -match 'IPv4[ \.]+:[ ]+(\d+\.\d+\.\d+\.\d+)'}) {
    $Matches[1]
}