roundgpx

   1 #!/usr/bin/env perl
   2
   3 #=======================================================================
   4 # roundgpx
   5 # File ID: d16a06e8-6138-11df-8aac-90e6ba3022ac
   6 # [Description]
   7 #
   8 # Character set: UTF-8
   9 # ©opyleft 2010– Øyvind A. Holm <sunny@sunbase.org>
  10 # License: GNU General Public License version 3 or later, see end of
  11 # file for legal stuff.
  12 #=======================================================================
  13
  14 use strict;
  15 use warnings;
  16 use Getopt::Long;
  17
  18 $| = 1;
  19
  20 our $Debug = 0;
  21
  22 our %Opt = (
  23
  24     'debug' => 0,
  25     'help' => 0,
  26     'verbose' => 0,
  27     'version' => 0,
  28
  29 );
  30
  31 our $progname = $0;
  32 $progname =~ s/^.*\/(.*?)$/$1/;
  33 our $VERSION = "0.00";
  34
  35 Getopt::Long::Configure("bundling");
  36 GetOptions(
  37
  38     "debug" => \$Opt{'debug'},
  39     "help|h" => \$Opt{'help'},
  40     "verbose|v+" => \$Opt{'verbose'},
  41     "version" => \$Opt{'version'},
  42
  43 ) || die("$progname: Option error. Use -h for help.\n");
  44
  45 $Opt{'debug'} && ($Debug = 1);
  46 $Opt{'help'} && usage(0);
  47 if ($Opt{'version'}) {
  48     print_version();
  49     exit(0);
  50 }
  51
  52 while (<>) {
  53     if (/(.*?<(?:trkpt|rtept|wpt)\s+.*?)"(.*?)"(.*?)"(.*?)"(.*)$/) {
  54         my ($num1, $num2) = (sprintf("%.6f", $2), sprintf("%.6f", $4));
  55         print("$1\"" . num_expand($num1) . "\"$3\"" . num_expand($num2) . "\"$5\n");
  56     } elsif (/^(.*?<ele>)(-?[\d\.]+)(<\/ele>.*)$/) {
  57         my $ele = sprintf("%.3f", $2);
  58         print($1 . num_expand($ele) . "$3\n");
  59     } else {
  60         print;
  61     }
  62 }
  63
  64 sub num_expand {
  65     # Convert scientific notation to decimal notation {{{
  66     my $Retval = shift;
  67     length($Retval) || return("");
  68     if ($Retval =~ /^(.*)e([-+]?)(.*)$/) {
  69         my ($num, $sign, $exp) = ($1, $2, $3);
  70         my $sig = $sign eq '-' ? "." . ($exp - 1 + length $num) : '';
  71         $Retval = sprintf("%${sig}f", $Retval);
  72     }
  73     $Retval =~ s/^\+//;
  74     my $minus = ($Retval =~ s/^-//) ? "-" : "";
  75     if ($Retval =~ /\.\d/) {
  76         $Retval =~ s/0+$//;
  77         $Retval =~ s/^0+/0/;
  78         $Retval =~ s/^0([1-9]+)\./$1./;
  79         $Retval =~ s/\.$//;
  80     } else {
  81         $Retval =~ s/^0+//;
  82     }
  83     length($Retval) || ($Retval = 0);
  84     $Retval = $Retval ? "$minus$Retval" : 0;
  85     return($Retval);
  86     # }}}
  87 } # num_expand()
  88
  89 sub print_version {
  90     # Print program version {{{
  91     print("$progname v$VERSION\n");
  92     # }}}
  93 } # print_version()
  94
  95 sub usage {
  96     # Send the help message to stdout {{{
  97     my $Retval = shift;
  98
  99     if ($Opt{'verbose'}) {
 100         print("\n");
 101         print_version();
 102     }
 103     print(<<END);
 104
 105 Usage: $progname [options] [file [files [...]]]
 106
 107 Options:
 108
 109   -h, --help
 110     Show this help.
 111   -v, --verbose
 112     Increase level of verbosity. Can be repeated.
 113   --version
 114     Print version information.
 115   --debug
 116     Print debugging messages.
 117
 118 END
 119     exit($Retval);
 120     # }}}
 121 } # usage()
 122
 123 sub msg {
 124     # Print a status message to stderr based on verbosity level {{{
 125     my ($verbose_level, $Txt) = @_;
 126
 127     if ($Opt{'verbose'} >= $verbose_level) {
 128         print(STDERR "$progname: $Txt\n");
 129     }
 130     # }}}
 131 } # msg()
 132
 133 sub D {
 134     # Print a debugging message {{{
 135     $Debug || return;
 136     my @call_info = caller;
 137     chomp(my $Txt = shift);
 138     my $File = $call_info[1];
 139     $File =~ s#\\#/#g;
 140     $File =~ s#^.*/(.*?)$#$1#;
 141     print(STDERR "$File:$call_info[2] $$ $Txt\n");
 142     return("");
 143     # }}}
 144 } # D()
 145
 146 __END__
 147
 148 # Plain Old Documentation (POD) {{{
 149
 150 =pod
 151
 152 =head1 NAME
 153
 154
 155
 156 =head1 SYNOPSIS
 157
 158  [options] [file [files [...]]]
 159
 160 =head1 DESCRIPTION
 161
 162
 163
 164 =head1 OPTIONS
 165
 166 =over 4
 167
 168 =item B<-h>, B<--help>
 169
 170 Print a brief help summary.
 171
 172 =item B<-v>, B<--verbose>
 173
 174 Increase level of verbosity. Can be repeated.
 175
 176 =item B<--version>
 177
 178 Print version information.
 179
 180 =item B<--debug>
 181
 182 Print debugging messages.
 183
 184 =back
 185
 186 =head1 BUGS
 187
 188
 189
 190 =head1 AUTHOR
 191
 192 Made by Øyvind A. Holm S<E<lt>sunny@sunbase.orgE<gt>>.
 193
 194 =head1 COPYRIGHT
 195
 196 Copyleft © Øyvind A. Holm E<lt>sunny@sunbase.orgE<gt>
 197 This is free software; see the file F<COPYING> for legalese stuff.
 198
 199 =head1 LICENCE
 200
 201 This program is free software: you can redistribute it and/or modify it
 202 under the terms of the GNU General Public License as published by the
 203 Free Software Foundation, either version 3 of the License, or (at your
 204 option) any later version.
 205
 206 This program is distributed in the hope that it will be useful, but
 207 WITHOUT ANY WARRANTY; without even the implied warranty of
 208 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 209 See the GNU General Public License for more details.
 210
 211 You should have received a copy of the GNU General Public License along
 212 with this program.
 213 If not, see L<http://www.gnu.org/licenses/>.
 214
 215 =head1 SEE ALSO
 216
 217 =cut
 218
 219 # }}}
 220
 221 # vim: set fenc=UTF-8 ft=perl fdm=marker ts=4 sw=4 sts=4 et fo+=w :