$data="install app device_path"'
$Result=`$data`;

##</code><code>##

c:\Automation>install app device_path
<blank>
c:\Automation>

##</code><code>##

c:\Automation>install app device_path
<blank>
Error: Code 254587
<blank>
c:\Automation>

##</code><code>##

$Result = `$Data 2>&1`;