NCEPLIBS-bufr
11.6.0
|
Jump forwards or backwards to a specified data subset within a BUFR file. More...
Go to the source code of this file.
Functions/Subroutines | |
subroutine | ufbpos (LUNIT, IREC, ISUB, SUBSET, JDATE) |
This subroutine repositions the file pointer to the beginning of a specified data subset within a specified message of a BUFR file, then reads that data subset into internal arrays so that it can be further processed via subsequent calls to any of the values-reading subroutines. More... | |
Jump forwards or backwards to a specified data subset within a BUFR file.
Definition in file ufbpos.f.
subroutine ufbpos | ( | LUNIT, | |
IREC, | |||
ISUB, | |||
character*8 | SUBSET, | ||
JDATE | |||
) |
This subroutine repositions the file pointer to the beginning of a specified data subset within a specified message of a BUFR file, then reads that data subset into internal arrays so that it can be further processed via subsequent calls to any of the values-reading subroutines.
The specified data subset may be before or after the current location of the file pointer within the BUFR file.
[in] | LUNIT | – integer: Fortran logical unit number for BUFR file |
[in] | IREC | – integer: Ordinal number of message to be read, counting from the beginning of the BUFR file, but not counting any messages which contain DX BUFR tables information |
[in] | ISUB | – integer: Ordinal number of data subset to be read from (IREC)th message, counting from the beginning of the message |
[out] | SUBSET | – character*8: Table A mnemonic for type of BUFR message that was read (see DX BUFR Tables for further information about Table A mnemonics) |
[out] | JDATE | – integer: Date-time stored within Section 1 of BUFR message that was read, in format of either YYMMDDHH or YYYYMMDDHH, depending on the most recent call to subroutine datelen() |
Program history log:
Date | Programmer | Comments |
---|---|---|
1995-11-22 | J. Woollen | Original author |
2005-03-04 | D. Keyser | Added documentation |
2006-04-14 | J. Ator | Remove unnecessary MOIN initialization |
2009-03-23 | J. Ator | Modified to handle embedded BUFR table (dictionary) messages |
2014-12-10 | J. Ator | Use modules instead of COMMON blocks |
2021-10-08 | J. Ator | Use readsb() to read all subsets from IREC(th) message |
Definition at line 50 of file ufbpos.f.
References bort(), cewind(), readmg(), readsb(), status(), and ufbcnt().