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+!
+! The following example code shows how to create groups
+! using absolute and relative names. It creates three groups:
+! the first two groups are created using the file identifier and
+! the group absolute names, and the third group is created using
+! a group identifier and the name relative to the specified group.
+!
+
+
+ PROGRAM GRPSEXAMPLE
+
+ USE HDF5 ! This module contains all necessary modules
+
+ IMPLICIT NONE
+
+ CHARACTER(LEN=10), PARAMETER :: filename = "groupsf.h5" ! File name
+ CHARACTER(LEN=8), PARAMETER :: groupname1 = "/MyGroup" ! Group name
+ CHARACTER(LEN=16), PARAMETER :: groupname2 = "/MyGroup/Group_A"
+ ! Group name
+ CHARACTER(LEN=7), PARAMETER :: groupname3 = "Group_B" ! Group name
+
+ INTEGER(HID_T) :: file_id ! File identifier
+ INTEGER(HID_T) :: group1_id, group2_id, group3_id ! Group identifiers
+
+ INTEGER :: error ! Error flag
+
+ !
+ ! Create a new file using default properties.
+ !
+ CALL h5fcreate_f(filename, H5F_ACC_TRUNC_F, file_id, error)
+
+ !
+ ! Create group "MyGroup" in the root group using absolute name.
+ !
+ CALL h5gcreate_f(file_id, groupname1, group1_id, error)
+
+ !
+ ! Create group "Group_A" in group "MyGroup" using absolute name.
+ !
+ CALL h5gcreate_f(file_id, groupname2, group2_id, error)
+
+ !
+ ! Create group "Group_B" in group "MyGroup" using relative name.
+ !
+ CALL h5gcreate_f(group1_id, groupname3, group3_id, error)
+
+ !
+ ! Close the groups.
+ !
+ CALL h5gclose_f(group1_id, error)
+ CALL h5gclose_f(group2_id, error)
+ CALL h5gclose_f(group3_id, error)
+
+ !
+ ! Terminate access to the file.
+ !
+ CALL h5fclose_f(file_id, error)
+
+ END PROGRAM GRPSEXAMPLE