How to realize parameter escape in win bat

This article is about how to escape parameters in win bat. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Wrote a program, will be saved as a custom .rim file, to double-click the file to open my program, I use the method is to set the file association (win7). After installing the program, the a.bat script is executed to do some initialization work, and the installation directory parameters are passed in as follows:

A.bat "C:\ Program Files (x86)\ xxx\"

Write in the a.bat script:

Set percent=%%assoc .rim = etmap.fileftype etmap.file= "% installDir%xx.exe"% percent%1"% percent%*

In this way, you can escape% 1 correctly, if you write directly

Ftype etmap.file= "% installDir%xx.exe"% 1"% *

If so, 1 will be calculated as the first parameter when the a.bat script is executed, that is

"C:\ Program Files (x86)\ xxx\"

That's wrong.

Simply put, to escape% 1, you need to concatenate string variables.

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