按标签引用卷/驱动器 [英] Reference a Volume/Drive by Label

问题描述

我正在尝试编写一个批处理文件来将文件夹复制到可移动 USB 驱动器.但是，我面临的问题是驱动器号可能会更改，因此我希望能够通过引用卷标而不是驱动器号来做到这一点.

I'm trying to write a batch file to xcopy a folder to a removable USB drive. The problem that I face, however, is that drive letters are subject to change, so I would like to be able to do this by referencing the volume label instead of the drive letter.

有什么想法吗?一个小时的谷歌搜索被证明是徒劳的.:(

Any ideas? An hour of Google-ing has proved fruitless. :(

推荐答案

这个命令应该发现带有正确标签的驱动器并将驱动器号(带冒号)存储在变量usb"中

This command should discover the drive with the correct label and store the drive letter (with colon) in variable "usb"

for /f %%D in ('wmic volume get DriveLetter^, Label ^| find "yourLabel"') do set usb=%%D

如果您愿意，可以将 xcopy 命令直接嵌入 DO 子句中.%%D 包含驱动器号.

You could embed your xcopy command(s) directly in the DO clause if you like. %%D contains the drive letter.

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