SUBROUTINE local_getenv( var, ivar, value, ivalue ) !------------------------------------------------------------------------------! ! Actual revisions: ! ----------------- ! ! ! Former revisions: ! ----------------- ! $Id: local_getenv.f90 4 2007-02-13 11:33:16Z raasch $ ! RCS Log replace by Id keyword, revision history cleaned up ! ! Revision 1.5 2003/05/09 14:37:07 raasch ! On the MUK cluster, only PE0 is able to read environment variables. ! Therefore, they have to be communicated via broadcast to the other PEs. ! ! Revision 1.1 1997/08/11 06:21:01 raasch ! Initial revision ! ! ! Description: ! ------------ ! Getting the values of environment-variabls (for different operating-systems) !------------------------------------------------------------------------------! #if defined( __lcmuk ) USE pegrid #endif CHARACTER (LEN=*) :: var, value INTEGER :: ivalue, ivar #if defined( __t3eb ) || defined( __t3eh ) || defined( __t3ej2 ) || defined( __t3ej5 ) INTEGER :: dummy #endif #if defined( __lcmuk ) INTEGER :: i, ia(20) #endif #if defined( __t3eb ) || defined( __t3eh ) || defined( __t3ej2 ) || defined( __t3ej5 ) CALL PXFGETENV( var(1:ivar), ivar, value, ivalue, dummy ) IF ( ivalue == 0 ) value = '' #else CALL GETENV( var(1:ivar), value ) ivalue = LEN_TRIM( value ) #endif #if defined( __lcmuk ) && defined( __parallel ) ia = IACHAR( ' ' ) IF ( myid == 0 ) THEN DO i = 1, ivalue ia(i) = IACHAR( value(i:i) ) ENDDO ENDIF CALL MPI_BCAST( ia(1), 20, MPI_INTEGER, 0, comm2d, ierr ) DO i = 1, 20 IF ( ACHAR( ia(i) ) /= ' ' ) value(i:i) = ACHAR( ia(i) ) ENDDO ivalue = LEN_TRIM( value ) #endif END SUBROUTINE local_getenv