回显动态生成的变量

Question

set CSS_FOLDER_SOURCE=.\css
set JS_FOLDER_SOURCE=.\js



for %%A in (JS, CSS ) do (

    if defined %%A_FOLDER_SOURCE (
        echo  %%%A_FOLDER_SOURCE%%
    )
)

我想阅读这两个文件夹的内容。但不知道如何动态生成FOLDER_SOURCE名称

Answer 1

使用Delayed expansion：

setlocal enableDelayedExpansion

............
for %%A in (JS CSS) do (
    echo !%%A_FOLDER_SOURCE!
)