Age of a certain file

In custom.conf:

[Age of .DAT file]
command=cscript /nologo C:\filetime.vbs C:\Path\To\.DAT-file
type=integer
result_pattern=([[:digit:]]+)
unit=h
timeout=5

In filetime.vbs:

Dim Args, FS, File, FileName

Set Args = WScript.Arguments
Set FS = CreateObject("Scripting.FileSystemObject")

if WScript.Arguments.Count <> 1 then
    WScript.Echo "You must specify a filename"
    WScript.Quit(1)
end if

FileName = WScript.Arguments(0)

if not FS.FileExists(FileName) then
    WScript.Echo "The specified file does not exist"
    WScript.Quit(1)
end if

Set File = FS.GetFile(FileName)

'There are several options for what to output. 
'The "h" parameter is hours,and can be changed to e.g. "D" for days or '"n" for minutes. If "n" is used then "min" should be used as unit in custom.conf   
'WScript.Echo DateDiff("h", File.DateCreated, Now)
'WScript.Echo DateDiff("n", File.DateLastAccessed, Now)
'WScript.Echo DateDiff("D", File.DateLastModified, Now)
WScript.Echo DateDiff("h", File.DateLastModified, Now)