Ping a list of hosts, in PowerShell.

ps_ping_host_list.ps1

#
# ping-host-list
#
# ping a list of hosts
#


$Host_List_Path = ".\hostlist.txt"


# ping a single host

Function Ping-Host {

	param($InputObject = $null)

	BEGIN {$status = $False}

	PROCESS {
		$processObject = $(if ($InputObject) {$InputObject} else {$_})

		if( (Test-Connection $processObject -Quiet -count 1)) {
			$status = $True
		} else {
			$status = $False
		}
	}

	END {return $status}
}


# ping a list of hosts

Function Ping-HostList {

	param($InputObject = $null)

	PROCESS {
		Get-Content $InputObject | %{ if (Ping-Host $_) {
				Write-Host -ForegroundColor green $_ ;
			} else {
				Write-Host -ForegroundColor red $_ ; 
			}
		}
	}
}


Ping-HostList $Host_List_Path