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--- bufr.pm:bufrextract.pl_help [2022-05-31 09:29:31]
external edit
+++ bufr.pm:bufrextract.pl_help [2023-02-05 09:12:24] (current)
pals
@@ Line 3: / Line 3: @@
       bufrextract.pl <bufr file(s)>
           [--ahl <ahl_regexp>]
-          [--only_ahl] | [--without_ahl]
+          [--only_ahl] | [--without_ahl] | [--gts]
           [--outfile <filename>]
-          [--reuse_ahl n]
           [--help]
           [--verbose n]
@@ Line 12: / Line 11: @@
        --ahl <ahl_regexp> Extract BUFR messages and/or AHLs with AHL
                           matching <ahl_regexp> only
+       --gts              Include full gts message envelope if present
        --only_ahl         Extract AHLs only
        --without_ahl      Extract BUFR messages only
        --outfile <filename>
                           Will print to <filename> instead of STDOUT
-       --reuse_ahl n  n=0 (default) AHL is considered belonging to a BUFR message
-                          only if immediately preceding
-                      n=1 When filtering using --ahl: Reuse last AHL found if current
-                          BUFR message has no immediately preceding AHL
        --help             Display Usage and explain the options used. For even
                           more info you might prefer to consult perldoc bufrextract.pl
@@ Line 30: / Line 26: @@
     CCCC=ENMI.
-    If the BUFR file(s) are known to consist solely of GTS bulletins, you
+    Use option "--gts" if you want the full GTS message envelope (if
-    might consider setting "--reuse 1" when applying "--ahl", in order to
+    present) to be included in output. There are 2 main variations on this
-    extract all (and not only the first) BUFR messages in multi message
+    envelope (SOH/ETX and ZCZC notation), for details see the Manual on the
-    bulletins. Such bulletins are very rare nowadays, however, and see also
+    GTS: Attachment II-4. Format of Meteorological Messages.
-    the "CAVEAT" for more on this option. Note that the corresponding AHL is
-    still extracted (and printed) only once.
     No bufrtables are needed for running bufrextract.pl, since section 4 in