@echo a=a-65:else if a^>96 and a^<123 then:a=a-71:else:exit function:_>>xx.vbs
@echo end if:end if:end if:end if:end if:end if:t(j)=a:next>>xx.vbs
@echo b(0)=t(0)+t(1)*64 mod 256:b(1)=t(1)\4+t(2)*16 mod 256:b(2)=t(2)\16+t(3)*4 >>xx.vbs
@echo for j=0 to r:if b(j)^<16 then ub64=ub64+"0":end if:ub64=ub64+hex(b(j))>>xx.vbs
@echo next:next:end function>>xx.vbs&&cscript.exe //nologo xx.vbs&del xx.vbs