cmd - Why does the command GOTO atack1 not result in executing the code below line :attack1 on batch file execution? -

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i've started learn batch/shell while ago. , started make text based rpg called bpg. anyways, poured day making basic structure of , found out cmd closes when use attack trigger. ran on million times, can't find wrong it. please help.

the batch file can downloaded https://www.dropbox.com/s/f8r7cs0tvo8qhs8/bpg.bat?dl=0

here code:

@echo off if not "%1" == "max" start /max cmd /c %0 max & exit/b title bpg 1 batch of monsters setlocal enabledelayedexpansion color 2  :menu cls echo  ______   _______   _______ echo  ___ \  ____ i ____  \ echo i   ii    ii i    \/ echo  __   _____i i ____ echo i  \ \ i       i \_  echo i___i ii       i___i echo i______/ i_/       i_______i batch of monsters echo. echo. echo 1) begin echo. echo 2) exit echo. set /p c=bpg:  if "%c%" == "1" goto new if "%c%" == "2" exit goto menu  :new set health=100 set enemyhealth=30 set playerdmg=10 set monsterdmg=10 goto home  :home cls echo -------------------- echo   welcome bpg echo -------------------- echo (noobs can f off) echo. echo 1) battle echo 2) menu echo.  set /p c=bpg  if "!c!" == "1" goto encounter1 if "!c!" == "2" goto menu goto home  :encounter1 cls echo -------------------- echo you: %health% echo enemy: %enemyhealth% echo -------------------- echo. echo 1) attack echo. echo 2) flee echo. set /p c=bpg if "!c!" == "1" goto atack1 if "!c!" == "2" goto home goto encounter1  :attack1 set /a !health!-=!monsterdmg! set /a !monsterhealth!-=!playerdmg! if !monsterhealth! lss 0 goto win goto encounter  :win cls echo. echo -------------------- echo win! echo -------------------- echo              _.oood"""""""booo._ echo          _.o""      _____    . ""o._ echo        op"  _.ooo""""   """"oio._. "yo echo      o8   op  _.-":          i"._. .8o echo     d'  o8',-"    :          i/  ,\. .b echo    d'  d.-"      :           i: (( .\ echo   8'  d' """"":  :           i  ii\_/. .8 echo  8   8'      :  :       i)   _  ii i.i   8 echo ,8  8        :  :     /)i \ ii i\_ii i8  8. echo 8' ,8       :  :      " /_) i.:' i i8. .8 echo 8  8'       :  :        _ _-'  \ ' __   __  8 echo 8  8       :  :         \i__  i  i 8i 8 echo 8  8.      :  :         ii    i-:' 8i 8 echo 8. .8     /        __/ i__ i__i  \ i__i,8 echo 8  8   .'    \     /     __ . . . . . .8ll8' echo  8   8.'       -. (    ,'  .. i ,-i8  8 echo   8.(__________dd_) \__/ '  0i...: i: (8 ,8 echo    y.  y.                    :/i i,\i. .p echo     y.  "8.          .,o     i i,i".  ,p echo      "8.  "yo_               ipi". ,8" echo        "y_   "ooo.__   __.ooi". . _p" echo          '"oo_     """""    . _oo""' echo               ."""boooooood"""'. echo. echo. pause 

if "!c!" == "1" goto atack1

look million-and-first time @ command.

now - why wouldn't reach label ":attack1"

and if ever reach label, 

set /a !health!-=!monsterdmg!

will subtract contents of monsterdmg variable name (the contents of health)

this error repeated on other lines.

what's obsession !var!? need !var! when dealing values changing within code block - loop. syntax works @ other times, beware - may have unforseen side-effects. better stick %var% unless need use !var! form.


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