windows - batch file that automatically fills software code in command prompt -

i trying write prompts make device action. device has it's own syntax; however, environment in cmd through serial port connection. there way write batch file enter text open program?

i have software opened waiting input. need figure out how input open application batch file. have now.

start "" "c:\program files (x86)\putty\putty.exe" -load "laser"

logon odin (code want inputted software)

thanks help