!macro _MoveOnlyFiles _sourcepath _filemask _targetpath
  push $R0
  push $R1
  !define Lprefix L${__LINE__}
  FindFirst $R0 $R1 "${_sourcepath}\${_filemask}"
  ${Lprefix}loop:
    StrCmp $R1 "" ${Lprefix}end
    IfFileExists "${_sourcepath}\$R1\*.*" +2
    Rename "${_sourcepath}\$R1" "${_targetpath}\$R1"
    FindNext $R0 $R1
    goto ${Lprefix}loop
  ${Lprefix}end:
  !undef Lprefix
  pop $R1
  pop $R0
!macroend
!define MoveOnlyFiles `!insertmacro _MoveOnlyFiles`