How to use the QM code to achieve the following CMD code effect

[win]

@kevin Thank you for your help, the above code runs successfully, but the code is long

I want to use the QM code and the BAT code to achieve the same functionality. How do I get the value of the variable %i in QM?

Code:

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@echo off

for /f "tokens=2,*" %%i in ('reg query "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders" /v "Desktop"') do (
set desk=%%j
)


set src=1.txt

for %%a in (C D E F G H I J K L M N O P Q R S T U V W X Y Z) do (
if exist %%a:\nul (
   for /f "delims=" %%i in ('dir /s/a/b/a-d "%%a:\%src%" 2^>nul') do (
       copy "%%i" "%desk%"
   )
)
)

---

The above code, all use the BAT command, The following code, I want to use the QM+BAT command,  the code that needs to supplement the variable i

Code:

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@echo off
set src=1.txt

for %%a in (C D E F G H I J K L M N O P Q R S T U V W X Y Z) do (
if exist %%a:\nul (
   for /f "delims=" %%i in ('dir /s/a/b/a-d "%%a:\%src%" 2^>nul') do (
       !!!!! Some code  【i%】
   )
)
)

cop %i "$Desktop$"