Changeset 4842 for palm/trunk/SOURCE/nesting_offl_mod.f90

Timestamp:

Jan 14, 2021 10:42:28 AM (3 years ago)

Author:

raasch

Message:

reading of namelist file and actions in case of namelist errors revised so that statement labels and goto statements are not required any more, deprecated namelists removed

File:

• palm/trunk/SOURCE/nesting_offl_mod.f90 (modified) (3 diffs)

palm/trunk/SOURCE/nesting_offl_mod.f90

@@ -24 +24 @@
 ! -----------------
 ! $Id$
+! reading of namelist file and actions in case of namelist errors revised so that statement labels
+! and goto statements are not required any more
+!
+! 4834 2021-01-07 10:28:00Z raasch
 ! file re-formatted to follow the PALM coding standard
 !
@@ -2448 +2452 @@
  SUBROUTINE nesting_offl_parin
 
-    CHARACTER (LEN=80) ::  line  !< dummy string that contains the current line of the parameter file
-
-
-    NAMELIST /nesting_offl_parameters/   nesting_offline
-
-    line = ' '
-
-!
-!-- Try to find stg package
-    REWIND ( 11 )
-    line = ' '
-    DO WHILE ( INDEX( line, '&nesting_offl_parameters' ) == 0 )
-       READ ( 11, '(A)', END=20 )  line
-    ENDDO
-    BACKSPACE ( 11 )
-
-!
-!-- Read namelist
-    READ ( 11, nesting_offl_parameters, ERR = 10, END = 20 )
-
-    GOTO 20
-
-10    BACKSPACE( 11 )
-    READ( 11 , '(A)') line
-    CALL parin_fail_message( 'nesting_offl_parameters', line )
-
-20    CONTINUE
-
+    CHARACTER(LEN=100) ::  line  !< dummy string that contains the current line of the parameter file
+    INTEGER(iwp) ::  io_status   !< status after reading the namelist file
+
+
+    NAMELIST /nesting_offl_parameters/  nesting_offline
+
+!
+!-- Move to the beginning of the namelist file and try to find and read the namelist.
+    REWIND( 11 )
+    READ( 11, nesting_offl_parameters, IOSTAT=io_status )
+
+!
+!-- Action depending on the READ status
+    IF ( io_status > 0 )  THEN
+!
+!--    nesting_offl_parameters namelist was found but contained errors. Print an error message
+!--    including the line that caused the problem.
+       BACKSPACE( 11 )
+       READ( 11 , '(A)' ) line
+       CALL parin_fail_message( 'nesting_offl_parameters', line )
+
+    ENDIF
 
  END SUBROUTINE nesting_offl_parin
+
 
 !--------------------------------------------------------------------------------------------------!
@@ -2500 +2499 @@
 
  END SUBROUTINE nesting_offl_header
+
 
 !--------------------------------------------------------------------------------------------------!