Return Code

10ReturnCodes.bat

::This program is used to demonstrate the return statement
::Every comamnd or batch file returns an integer to indicate result of program
:: if returned code is XERO, in general it is agreed as succesful execution
:: in case of error it supposed to return NON-ZERO integer, to indicate error specific

@echo off

:: ERRORLEVEL is in-built variable which is popped up with return code from last executed command or program
ping foo.com
if %ERRORLEVEL%==0 (echo foo ping was successful) else (echo foo ping was having issue)
 
ping google.com
if %ERRORLEVEL%==0 (echo google ping was successful) else (echo google ping was having issue)


echo "program will exit with 0 return code, after you press enter"
pause

::at time of return, program should return with error code
exit 0

Output