SUBROUTINE local_getenv( var, ivar, value, ivalue ) !--------------------------------------------------------------------------------! ! This file is part of PALM. ! ! PALM is free software: you can redistribute it and/or modify it under the terms ! of the GNU General Public License as published by the Free Software Foundation, ! either version 3 of the License, or (at your option) any later version. ! ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. ! ! You should have received a copy of the GNU General Public License along with ! PALM. If not, see . ! ! Copyright 1997-2012 Leibniz University Hannover !--------------------------------------------------------------------------------! ! ! Current revisions: ! ----------------- ! ! ! Former revisions: ! ----------------- ! $Id: local_getenv.f90 1037 2012-10-22 14:10:22Z eckhard $ ! ! 1036 2012-10-22 13:43:42Z raasch ! code put under GPL (PALM 3.9) ! ! 82 2007-04-16 15:40:52Z raasch ! Preprocessor directives for old systems removed ! ! 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( __lcmuk ) INTEGER :: i, ia(20) #endif CALL GETENV( var(1:ivar), value ) ivalue = LEN_TRIM( value ) #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