[注册表类] (已解决)请教批处理当前路径双斜杠的问题

@echo off
setlocal enabledelayedexpansion
set "prefix=%~dp0"
set "prefix=!prefix:\=\\!"
(for /f tokens^=1*^ delims^=^" %%a in ('type "1.txt"') do (
    if "x%%b" neq "x" (
        set "suffix=%%b"
        set "suffix=!suffix:~-18!"
        echo "%%a"="!prefix!!suffix!
    ) else (
        echo %%a
    )
))>"2.txt"
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