@echo off
if defined %ProgramFiles(x86)% (
	"%ProgramFiles(x86)%\path_to\your_app\service\nssm.exe" install myService "C:\Program Files (x86)\path_to\your_app\portable_perl\perl\bin\perl.exe" """C:\Program Files (x86)\path_to\your_app\myService.pl"""
) else (
	"%ProgramFiles%\path_to\your_app\service\nssm.exe" install myService "C:\Program Files\path_to\your_app\portable_perl\perl\bin\perl.exe" """C:\Program Files\path_to\your_app\myService.pl"""
)
net start myService
exit