gdncvardelattr.f90 File Reference

Delete an attribute from a netCDF variable . More...

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Functions/Subroutines
subroutine	gdncvardelattr (var, name, err)

Detailed Description

Delete an attribute from a netCDF variable

.

Author

GFD Dennou Club

Copyright

Copyright (C) GFD Dennou Club, 2000-2026. All rights reserved.
License is BSD-2-Clause. See COPYRIGHT in detail

Definition in file gdncvardelattr.f90.

Function/Subroutine Documentation

gdncvardelattr()

subroutine gdncvardelattr	(	type(gd_nc_variable), intent(in)	var,
		character(len = *), intent(in)	name,
		logical, intent(out), optional	err )

Delete a named attribute

Removes an attribute from a variable. If the name starts with '+', the attribute is treated as a global attribute.

Parameters

[in]	var	Variable handle
[in]	name	Attribute name
[out]	err	Error flag (optional)

Definition at line 35 of file gdncvardelattr.f90.

    use gtdata_netcdf_types, only: gd_nc_variable, gd_nc_variable_entry
    use gtdata_netcdf_file_generic, only: gdncfiledefinemode
    use gtdata_netcdf_internal, only: vtable_lookup
    use netcdf, only: nf90_noerr, nf90_del_att, nf90_global, nf90_enotindefine
    use dc_url, only: gt_plus
    use dc_error
    implicit none
    type(GD_NC_VARIABLE), intent(in):: var
    character(len = *), intent(in):: name
    logical, intent(out), optional:: err
    type(GD_NC_VARIABLE_ENTRY):: ent
    integer:: stat
continue
    stat = vtable_lookup(var, ent)
    if (stat /= nf90_noerr) goto 999
    stat = nf90_del_att(ent%fileid, ent%varid, name=name)
    if (stat == 0) goto 999
    if (stat /= nf90_enotindefine) goto 999
    stat = gdncfiledefinemode(ent%fileid)
    if (stat /= nf90_noerr) goto 999
    if (name(1:1) == gt_plus) then
        stat = nf90_del_att(ent%fileid, nf90_global, name=name(2:))
    else
        stat = nf90_del_att(ent%fileid, ent%varid, name=name)
    endif
 
999 continue
    call storeerror(stat, 'GDNcVarPutAttrChar', err)

References dc_url::gt_plus, dc_error::storeerror(), and gtdata_netcdf_internal::vtable_lookup().

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