Accept user input to a batch file. Choice allows single key-presses to be captured from the keyboard.

    CHOICE [/c [choiceKeys]] [/N] [/CS] [/t Timeout /D Choice] [/M Text]

   /C[:]choiceKeys : One or more keys the user can press. Default is YN.

   /N              : Do not display choiceKeys at the end of the prompt string.

   /CS             : Make the choiceKeys Case Sensitive.

   /T Timeout      : Timeout in Timeout seconds
                     If Timeout is 0 there will be no pause and the
                     default will be selected.

   /D choice       : Default choice made on Timeout.

   /M "text"       : Message string to describe the choices available.

ERRORLEVEL will return the numerical offset of choiceKeys.
Choice.exe is a standard command in Windows 2003 and greater, it was first made available in the Windows XP resource kit.

If you need to include a quotation mark within the message string, it needs to be escaped by doubling it: "message""withquote"

CHOICE can be used to set a specific %errorlevel%
for example to set the %errorlevel% to 6 :
ECHO 6| CHOICE /C 123456 /N >NUL


CHOICE /C CH /M "Select [C] CD or [H] Hard drive"
IF %ERRORLEVEL% EQU 2 goto sub_hard_drive
IF %ERRORLEVEL% EQU 1 goto sub_cd

“If you limit your choices only to what seems possible or reasonable, you disconnect yourself from what you truly want, and all that is left is compromise” - Robert Fritz


IF - Conditionally perform a command.
CON - Accept console input.
SET /P - Prompt for user input (accepts a whole string instead of one keypress).
TIMEOUT - Delay processing of a batch file/command.
Equivalent PowerShell: MessageBox - Display a message box. / Read-Host - Read a line of input from the console.
Equivalent bash command (Linux): case / select - Accept keyboard input.

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