bufr.pm:bufr_reencode_source

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bufr.pm:bufr_reencode_source [2014-05-28 14:31:14]
pals 		bufr.pm:bufr_reencode_source [2025-11-05 09:25:44] (current)
pals
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 <code perl> <code perl>
-#!/usr/bin/perl -w+#!/usr/bin/perl
  
-# (C) Copyright 2010, met.no+# (C) Copyright 2010-2025 MET Norway
 # #
 # This program is free software; you can redistribute it and/or modify # This program is free software; you can redistribute it and/or modify
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 use strict; use strict;
 +use warnings;
 use Carp; use Carp;
 use Getopt::Long; use Getopt::Long;
 use Pod::Usage qw(pod2usage); use Pod::Usage qw(pod2usage);
-use File::Slurp qw(read_file write_file); 
 use Geo::BUFR; use Geo::BUFR;
 +
 +# This is actually default in BUFR.pm, but provided here to make it
 +# easier for users to change to 'ECCODES' if preferred
 +use constant DEFAULT_TABLE_FORMAT => 'BUFRDC';
  
 # Will be used if neither --tablepath nor $ENV{BUFR_TABLES} is set # Will be used if neither --tablepath nor $ENV{BUFR_TABLES} is set
-use constant DEFAULT_TABLE_PATH => '/usr/local/lib/bufrtables';+use constant DEFAULT_TABLE_PATH_BUFRDC => '/usr/local/lib/bufrtables'; 
 +use constant DEFAULT_TABLE_PATH_ECCODES => '/usr/local/share/eccodes/definitions/bufr/tables';
  
 # Parse command line options # Parse command line options
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            'outfile=s',            'outfile=s',
            'strict_checking=i',            'strict_checking=i',
 +           'tableformat=s',
            'tablepath=s',            'tablepath=s',
            'verbose=i',            'verbose=i',
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 # User asked for help # User asked for help
 pod2usage(-verbose => 1) if $option{help}; pod2usage(-verbose => 1) if $option{help};
 +
 +# Make sure there is an input file
 +pod2usage(-verbose => 0) unless @ARGV == 1;
 +my $infile = shift;
  
 my $width = $option{width} ? $option{width} : 15; my $width = $option{width} ? $option{width} : 15;
- 
-my $infile = shift; 
-if (!$infile || !-f $infile) { 
-    print STDERR "File '$infile' not found\n"; 
-    pod2usage(-verbose => 0); 
-} 
  
 # Default is croak if (recoverable) error found in encoded BUFR format # Default is croak if (recoverable) error found in encoded BUFR format
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 # Set verbosity level # Set verbosity level
 Geo::BUFR->set_verbose($option{verbose}) if $option{verbose}; Geo::BUFR->set_verbose($option{verbose}) if $option{verbose};
 +
 +# Set BUFR table format
 +my $tableformat = (defined $option{tableformat}) ? uc $option{tableformat} : DEFAULT_TABLE_FORMAT;
 +Geo::BUFR->set_tableformat($tableformat);
  
 # Set BUFR table path # Set BUFR table path
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     Geo::BUFR->set_tablepath($ENV{BUFR_TABLES});     Geo::BUFR->set_tablepath($ENV{BUFR_TABLES});
 } else { } else {
-    # If all else fails, use the default bufrtables +    # If all else fails, use the default tablepath in BUFRDC/ECCODES 
-    Geo::BUFR->set_tablepath(DEFAULT_TABLE_PATH);+    if ($tableformat eq 'BUFRDC') { 
 +        Geo::BUFR->set_tablepath(DEFAULT_TABLE_PATH_BUFRDC); 
 +    } elsif ($tableformat eq 'ECCODES')  { 
 +        Geo::BUFR->set_tablepath(DEFAULT_TABLE_PATH_ECCODES); 
 +    }
 } }
  
-my $dumped_message = read_file($infile);+my $dumped_message = do { 
 +    local $/; # Enable slurp mode 
 +    open my $fh, '<', $infile or die "Can't open $infile: $!"; 
 +    <$fh>; 
 +}; 
 my $bufr = Geo::BUFR->new(); my $bufr = Geo::BUFR->new();
 +
 +my $buffer = $bufr->reencode_message($dumped_message, $width);
  
 if ($option{outfile}) { if ($option{outfile}) {
-    my $buffer = $bufr->reencode_message($dumped_message, $width); +    my $outfile = $option{outfile}; 
-    write_file($option{outfile}, {binmode => ':raw'}, $buffer);+    open my $fh, '>', $outfile or die "Can't open $outfile: $!"; 
 +    binmode($fh); 
 +    print $fh $buffer;
 } else { } else {
-    print $bufr->reencode_message($dumped_message, $width);+    binmode(STDOUT); 
 +    print $buffer;
 } }
  
 =pod =pod
 +
 +=encoding utf8
  
 =head1 SYNOPSIS =head1 SYNOPSIS
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        [--width n]        [--width n]
        [--strict_checking n]        [--strict_checking n]
 +       [--tableformat <BUFRDC|ECCODES>]
        [--tablepath <path to BUFR tables>]        [--tablepath <path to BUFR tables>]
        [--verbose n]        [--verbose n]
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                          Verbose output is sent to STDOUT, so ought to                          Verbose output is sent to STDOUT, so ought to
                          be combined with option --outfile                          be combined with option --outfile
 +   --tableformat         Currently supported are BUFRDC and ECCODES (default is BUFRDC)
    --tablepath <path to BUFR tables>    --tablepath <path to BUFR tables>
                          If used, will set path to BUFR tables. If not set,                          If used, will set path to BUFR tables. If not set,
                          will fetch tables from the environment variable                          will fetch tables from the environment variable
                          BUFR_TABLES, or if this is not set: will use                          BUFR_TABLES, or if this is not set: will use
-                         DEFAULT_TABLE_PATH hard coded in source code.+                         DEFAULT_TABLE_PATH_<tableformat> hard coded in source code.
    --help                Display Usage and explain the options used. Almost    --help                Display Usage and explain the options used. Almost
                          the same as consulting perldoc bufr_reencode.pl                          the same as consulting perldoc bufr_reencode.pl
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 =head1 COPYRIGHT =head1 COPYRIGHT
  
-Copyright (C) 2010 met.no+Copyright (C) 2010-2025 MET Norway
  
 =cut =cut
 </code> </code>
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  • Last modified: 2022-05-31 09:23:11
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