Skypher

If you want to use delayed environment variable expansion and command extensions in a batch script, here’s a batch script that functions as a useful cheat sheet for setting, detecting and using them:

@ECHO OFF
IF “%1″ == “TEST_EOF” (
GOTO :EOF
) ELSE IF “%1″ == “TEST_EXPANSION” (
SET extensions=enabled
IF “!extensions!”==”enabled” (
ECHO Delayed environment variable expansion = ON
) ELSE (
ECHO Delayed environment variable expansion = OFF
)
) ELSE IF “%1″ == “TEST_EXTENSIONS” (
:: CALL :label is not available if test extensions are disabled…