!!------------------------------------------------------------------------------
!!
	subroutine SYS_GETENV(NAME, VALUE)	!!
!!	==================================
!!
!! Get environment variable NAME
!! try all uppercase also

	implicit none
!! Arguments:
	character*(*) NAME		!! logical name
	character*(*) VALUE		!! result

	integer l
        character nam*128

	call sys_loadenv
	call str_trim(nam, name, l)
	call getenv(nam(1:l), value)
        if (value .ne. ' ') RETURN
        if (nam(1:1) .ge. 'a') then
          call str_upcase(nam(1:l), nam(1:l))
        else
          call str_lowcase(nam(1:l), nam(1:l))
        endif
	call getenv(nam(1:l), value)
	end

!!------------------------------------------------------------------------------
!!
	subroutine SYS_GETENV_IDX(NAME, VALUE, IDX)	!!
!!	===========================================
!!
!! Get environment variable NAME, only list element IDX (start with 0)
!! (separated by comma)

	implicit none
!! Arguments:
	character*(*) NAME		!! logical name
	character*(*) VALUE		!! result
	integer IDX			!! index

	integer l,pos,j,i
        character nam*128, list*1024

	call str_trim(nam, name, l)
	call getenv(nam(1:l), list)
        if (list .eq. ' ') then
          if (nam(1:1) .ge. 'a') then
            call str_upcase(nam(1:l), nam(1:l))
          else
            call str_lowcase(nam(1:l), nam(1:l))
          endif
	  call getenv(nam(1:l), list)
	endif
        pos=0
        do i=1,idx
          j=index(list(pos+1:), ',')
          if (j .eq. 0) then
            value=' '
            RETURN
          endif
	  pos=pos+j
        enddo
        j=index(list(pos+1:), ',')
        if (j .eq. 1) then
          value=' '
          RETURN
        endif
        if (j .le. 0) then
          value=list(pos+1:)
        else
          value=list(pos+1:pos+j-1)
	endif
	end