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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
!
! Initialize FORTRAN interface.
!
CALL h5open_f(error)
!
! 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)
!
! Close FORTRAN interface.
!
CALL h5close_f(error)
END PROGRAM GRPSEXAMPLE
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