Exiting out of a FOR loop in a batch file?

Exiting out of a FOR loop in a batch file?

In a batch file, you can exit out of a FOR loop using the EXIT /B command. Here's how you can do it:

@echo off for %%i in (1 2 3 4 5) do ( echo %%i if %%i equ 3 ( echo Exiting loop... exit /b ) ) echo This line will not be executed if the loop is exited prematurely.

In this example, the loop iterates through the numbers 1 to 5. When %%i equals 3, the script echoes "Exiting loop..." and then exits the loop using EXIT /B. As a result, the loop terminates prematurely, and the line after the loop (echo This line will not be executed...) is not executed.

Adjust the condition and the actions inside the loop according to your specific requirements. The EXIT /B command is used to exit the batch file or a subroutine, and it also works for exiting out of loops.

Examples

  1. "Batch file break out of a FOR loop with GOTO"

    • Description: This query explores how to break out of a FOR loop in a batch file using the GOTO statement to jump to a specific label.
    • Code:
      @echo off setlocal for %%i in (1 2 3 4 5) do ( echo Processing %%i if %%i==3 goto end_loop ' Breaks out of the loop when i is 3 ) :end_loop echo Loop exited early

  2. "Batch file conditionally exit FOR loop with BREAK"

    • Description: This query investigates whether a break-like command can be used to exit a FOR loop in batch files.
    • Code:
      @echo off setlocal for %%i in (1 2 3 4 5) do ( if %%i==4 ( echo Exiting loop exit /b ' Exits the script and stops the loop ) echo %%i )

  3. "Batch file exit FOR loop with variable check"

    • Description: This query suggests using a variable to control the flow of a FOR loop, allowing for a conditional break.
    • Code:
      @echo off setlocal set continue_loop=1 for %%i in (1 2 3 4 5) do ( if !continue_loop! neq 1 ( goto end_loop ) echo %%i if %%i==3 ( set continue_loop=0 ' Change variable to exit loop ) ) :end_loop echo Loop exited

  4. "Batch file exit FOR loop on error condition"

    • Description: This query demonstrates how to exit a FOR loop in a batch file when an error condition is encountered.
    • Code:
      @echo off setlocal for %%i in (1 2 3 4 5) do ( echo Processing %%i if %%i==3 ( echo "Error condition met" goto error_handler ' Exit loop on error condition ) ) :error_handler echo Exited loop due to error

  5. "Batch file continue loop after condition"

    • Description: This query shows how to continue the loop after a specific condition is met without exiting the entire loop.
    • Code:
      @echo off setlocal for %%i in (1 2 3 4 5) do ( if %%i==3 ( echo Skipping %%i goto continue_loop ' Skip current iteration ) echo Processing %%i :continue_loop )

  6. "Batch file exit nested FOR loop"

    • Description: This query explores exiting nested FOR loops in a batch file by using a labeled GOTO to exit multiple loops.
    • Code:
      @echo off setlocal for %%i in (1 2 3 4 5) do ( echo Outer loop: %%i for %%j in (a b c d) do ( if %%j==c ( echo Exiting both loops goto end_nested_loops ' Exit both loops ) echo Inner loop: %%j ) ) :end_nested_loops echo Nested loops exited

  7. "Batch file break out of infinite FOR loop"

    • Description: This query discusses how to break out of an infinite FOR loop in a batch file with a condition or external signal.
    • Code:
      @echo off setlocal set continue_loop=1 for /L %%i in (1, 1, 1) do ( if !continue_loop! neq 1 ( goto end_infinite_loop ' Exit loop conditionally ) echo %%i if %%i==5 ( set continue_loop=0 ' Stop loop after 5 iterations ) ) :end_infinite_loop echo Infinite loop broken

  8. "Batch file FOR loop with time-based exit"

    • Description: This query explains how to exit a FOR loop in a batch file based on a time condition, using a simple delay.
    • Code:
      @echo off setlocal set exit_loop=0 start /B "Timer" cmd /C "ping 127.0.0.1 -n 5 > nul && exit 1" ' Starts a timed exit condition for %%i in (1 2 3 4 5) do ( if !exit_loop!==1 ( goto end_loop ' Exit loop after delay ) echo Processing %%i ) :end_loop echo Loop exited with time condition

  9. "Batch file conditional loop exit with GOTO and nested loops"

    • Description: This query covers exiting nested loops conditionally by using GOTO statements to control flow.
    • Code:
      @echo off setlocal for %%i in (1 2 3 4 5) do ( echo Outer loop: %%i for %%j in (a b c d) do ( if %%j==c ( echo Exiting loop goto exit_loops ' Exit nested loops ) echo Inner loop: %%j ) ) :exit_loops echo Exited nested loops

  10. "Batch file break out of loop with user input"

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