ProductivityTools.TestCommandExists.psm1
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function Test-CommandExists { [CmdletBinding()] param($Name) $oldPreference = $ErrorActionPreference Write-Verbose "Previous ErrorActionPreference: $ErrorActionPreference" $ErrorActionPreference = "Stop" Write-Verbose "Set ErrorActionPreference to 'Stop'" try { $command=Get-Command $Name Write-Verbose "Command Exists $command" return $true } catch { Write-Verbose "Command $Name does not exist" return $false } finally { $ErrorActionPreference=$oldPreference Write-Verbose "Restore ErrorActionPreference: $ErrorActionPreference" } } Export-ModuleMember Test-CommandExists |