Recursively find and replace files (Windows)

win-fr.bat

rem Recursively find and replace files
rem This script starts from current directory recursive search for the file name given in the first parameter and replace it (keeping its name) with the file given in second parameter.
rem source: https://stackoverflow.com/a/10423757
rem usage: fr.bat targetName replacementFile
rem example fr.bat test1.txt c:\data\replacementfile.txt would recursively search for "test1.txt" and replace it (keeping its name) withe the file "c:\data\replacementfile.txt"

@echo off
set targetName=%~NX1
set replacementFile=%~F2
call :processFolder
goto :EOF

:processFolder
rem For each folder in this level...
for /D %%a in (*) do (
  rem ...enter into it, process it and go back to original
  cd %%a
  if exist "%targetName%" (
    copy "%replacementFile%" "%targetName%" /Y
  )
  call :processFolder
  cd ..
)
exit /B