batch-file - 在 cmd 提示符下使用 "setlocal enabledelayedexpansion"

Question

是否setlocal enabledelayedexpansion只在批处理文件中工作？怎么可以setlocal enabledelayedexpansion在 cmd 提示符下使用？

Answer 1

您可以使用命令 cmd /V:ON 在命令提示符中启用延迟扩展。

来自 cmd /? :

/V:ON   Enable delayed environment variable expansion using ! as the
        delimiter. For example, /V:ON would allow !var! to expand the
        variable var at execution time.  The var syntax expands variables
        at input time, which is quite a different thing when inside of a FOR
        loop.