如何串联批处理文件的命令行参数? [英] How to concatenate command line args for a batch file?

问题描述

我目前正在尝试将命令行参数与此连接起来:

I'm currently attempting to concatenate my command line arguments with this:

for %%a in (%*) do set "subject=%subject% %%a"

例如，如果我跑步

my.bat subject line here

应该将我的主题变量设置为此处的主题行"，并保留空格.但是，当前运行之后，我的subject变量设置为最后一个单词.我得到的主题值为这里".

it should set my subject variable to "subject line here", preserving the spaces. However, currently after the run, my subject variable is set to the last word. I get a subject value of " here."

如何正确连接命令行参数?

How to concatenate the command line arguments right?

推荐答案

您不能这样做:

SET subject=%*

或者启用延迟扩展，以便在解析过程中不会替换环境变量.

Alternatively enable delayed expansion so that the environment variables don't get substituted during parsing.

Setlocal EnableDelayedExpansion
for %%a in (%*) do set subject=!subject! %%a
echo %subject%

请参见>％variable％与！variable之间的差异！批处理文件中以获取更多信息.

see Difference between %variable% and !variable! in batch file for more info.

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