function Test-IsAdmin() {
return ( [Security.Principal.WindowsPrincipal] ([Security.Principal.WindowsIdentity]::GetCurrent())
).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)
}
Set-Alias IsAdmin Test-IsAdmin
function Invoke-CommandExt() {
param (
[Alias("Command")] [parameter(Mandatory=$true, ValueFromPipeline = $true)] [ValidateNotNullOrEmpty()]
[string[]] $cmd,
[Alias("Wait")] [parameter(Mandatory=$false)]
[bool] $isWait = $true,
[Alias("VerbRunAs")] [parameter(Mandatory=$false)]
[bool] $isVerbRunAs = $false,
[Alias("Pause")] [parameter(Mandatory=$false)]
[bool] $isPause = $false,
[Alias("Echo")] [parameter(Mandatory=$false)]
[bool] $isEcho = $false
)
BEGIN {
[System.Collections.ArrayList] $listCmds = new-object System.Collections.ArrayList
}
PROCESS {
[void] $listCmds.AddRange($cmd)
}
END {
[string] $cmds = [string]::Join([Environment]::NewLine, $listCmds.ToArray())
# Эхо команды на экран
if ($isEcho) {
Write-Host "*** Echo Start ***"
Write-Host $cmds.ToString() -ForegroundColor Gray
Write-Host "*** Echo End ***"
}
#Write-Host "Wait = $isWait, VerbRunAs = $isVerbRunAs, IsAdmin = $(Test-IsAdmin)"
# Расширяем команду до ожидания нажатия после выполнения
[string] $cmdExt = if ($isPause) {
#$cmd = "& {$Command; pause}"
#While ([Console]::ReadKey(`$true).Key -notin @([ConsoleKey]::Enter, [ConsoleKey]::Escape)) {};
"& {$cmds
Write-Host `"Нажмите [AnyKey] для продолжения…`" -ForegroundColor Gray; [Console]::ReadKey(`$true);}"
#Write-Host $cmdExt -ForegroundColor Gray
} else {
"& {$cmds}"
}
[string] $cmdExtWithoutPause = "& {$cmds}"
# Выполняем команду
if ($isWait) {
# Ждём завершения выполнения команды
if ($isVerbRunAs) {
# Проверка необходимости повышения привилегий
if (IsAdmin) {
Invoke-Expression $cmdExtWithoutPause # не учитываем $isPause
} else {
$bytes = [System.Text.Encoding]::Unicode.GetBytes($cmdExt)
[array] $argumentList = @("-NoProfile", "-ExecutionPolicy Bypass", "-encodedCommand", [Convert]::ToBase64String($bytes))
Start-Process -FilePath "PowerShell" -argumentlist $argumentList -Wait -Verb runAs
}
} else {
Invoke-Expression $cmdExtWithoutPause # не учитываем $isPause
}
} else {
# Не ждём завершения выполнения команды, всегда новая консоль
$bytes = [System.Text.Encoding]::Unicode.GetBytes($cmdExt)
[array] $argumentList = @("-NoProfile", "-ExecutionPolicy Bypass", "-encodedCommand", [Convert]::ToBase64String($bytes))
if ($isVerbRunAs) {
Start-Process -FilePath "PowerShell" -argumentlist $argumentList -Verb runAs
} else {
Start-Process -FilePath "PowerShell" -argumentlist $argumentList
}
}
}
}
".`"$(Join-Path $PathToBinFolderTap "tapinstall.exe")`" install '$(Join-Path $PathToBinFolderTap "OemVista.inf")' tap0901" |
<#Shell.Invoke.#>Invoke-CommandExt -Wait $true -VerbRunAs $true -Pause $true -Echo $false
$myscriptblock = { mysupercommand $args }
& $myscriptblock $myparams
$scriptblock = { param($fg,$bg, $text) Write-Host -Foreground $fg -Background $bg $text }
& $scriptblock yellow blue text
PS> $text = 'first'
PS> $sb = { "my Text - $text" }
PS> & $sb
my Text - first
PS> $text = 'second'
PS> &$sb
my Text - second
function Invoke-MyTool {
param(
[ValidateSet('ping','write')]
[parameter()]
[string]$cmd,
[parameter(mandatory=$false, position=1, ValueFromRemainingArguments=$true)]$args
)
)
$config = @{
ping = { ping },
'write' = { param($text, $fg, $bg) write-host $text -fore $fg -back $bg }
}
& $config[$cmd] $args
}