Trapdoor

@echo off
cls
set a=1
set b=1
set choice=
for %%i in (*.exe) do (call :s_do_sums %%i)
set /p choice=Program:
for %%i in (*.exe) do (call :s_do_sums2 %%i)
goto :eof

:s_do_sums
echo %a%:	%1
set /a a+=1
goto :eof

:s_do_sums2
if '%choice%'=='%b%' %1
set /a b+=1
goto :eof