@setlocal
@set "thisfile=%~f0"
@echo "%thisfile%"
@set "thisfile=%thisfile:^=\^%"
@set "thisfile=%thisfile:>=^>%"
@set "thisfile=%thisfile:<=^<%"
@set "thisfile=%thisfile:&=^&%"
@set "thisfile=%thisfile:|=^|%"
@set "thisfile=%thisfile:)=^)%"
@set "thisfile=%thisfile:(=^(%"
@set "thisfile=%thisfile:[=^[%"
@set "thisfile=%thisfile:]=^]%"
@set "thisfile=%thisfile:"=\"%"
@echo escaped-thisfile "%thisfile%"
@echo;
@endlocal


##</code><code>##

$ "rock&roll\this3.bat"
"D:\rock&roll\this3.bat"
escaped-thisfile "D:\rock^&roll\this3.bat"


$ D:\rock^&roll\this3.bat
"D:\rock&roll\this3.bat"
escaped-thisfile "D:\rock^&roll\this3.bat"