windows - Using Expect script to automate a win32 exe -

i'm trying use expect script on windows xp machine automate command line menu based application.
the application loads menu saying 1.perform option#1 2.perform option#2 ... , waits user key in option, after further sub-menu loaded. following code i'm trying execute:

  package require expect   puts stdout "starting menu based cli application"   spawn c:\documents , settings\administrator\desktop\pds\cserclcd   puts stdout "spawn completed"   expect -re "*.*(syntax is).*:.*" {       puts stdout "received response ping"   } 

the expect part of code never going condition specified above , script exits, there wrong doing while calling spawn on application, please let me know. output follows:

 c:\docume~1\admini~1\desktop>tclsh.exe test.tcl  starting menu based cli application