CODEWITHSUNDEEP
windowsbatch-file
bro2
bro2

Reputation: 33

Why is choice returning errorlevels oddly?

choice /c 123456789 >NUL
if errorlevel = 9 if %ui9%==9 set "ui9=X" & set /a moves = %moves% + 1 & goto :medmodulebot
if errorlevel = 8 if %ui8%==8 set "ui8=X" & set /a moves = %moves% + 1 & goto :medmodulebot
if errorlevel = 7 if %ui7%==7 set "ui7=X" & set /a moves = %moves% + 1 & goto :medmodulebot
if errorlevel = 6 if %ui6%==6 set "ui6=X" & set /a moves = %moves% + 1 & goto :medmodulebot
if errorlevel = 5 if %ui5%==5 set "ui5=X" & set /a moves = %moves% + 1 & goto :medmodulebot
if errorlevel = 4 if %ui4%==4 set "ui4=X" & set /a moves = %moves% + 1 & goto :medmodulebot
if errorlevel = 3 if %ui3%==3 set "ui3=X" & set /a moves = %moves% + 1 & goto :medmodulebot
if errorlevel = 2 if %ui2%==2 set "ui2=X" & set /a moves = %moves% + 1 & goto :medmodulebot
if errorlevel = 1 if %ui1%==1 set "ui1=X" & set /a moves = %moves% + 1 & goto :medmodulebot
cls
echo That spot's already taken
ping localhost -n 3 >NUL
goto medmoduleuser

I'm making a tic-tac-toe bot. When entering a digit such as 9, then entering it again in the next turn, it will trigger the if errorlevel = 8 if %ui8%==8 set "ui8=X" & set /a moves = %moves% + 1 & goto :medmodulebot instead of just going through the code until it hits the bottom... It seems that choice is returning errorlevels oddly? What do I do to prevent this?

Upvotes: 0

Views: 44

Answers (1)

T3RR0R
T3RR0R

Reputation: 2951

In addition to the comments, errorlevel testing could be avoided completely. By converting the choice value into the literal value with a for / F loop metavariable


@echo off & Setlocal ENABLEdelayedexpansion
Rem // script body
For /F "Delims=" %%C in ('Choice /N /C:123456789') do (
    if !ui%%C!==%%C (
        set "ui%%C=X"
        set /a moves+=1
        goto :medmodulebot
    )
)
cls
echo That spot's already taken
ping localhost -n 3 >NUL
goto medmoduleuser

Upvotes: 1

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