showscenery.pl to HTML.

index -|- end

Generated: Sat Oct 24 16:35:28 2020 from showscenery.pl 2020/05/24 24.1 KB. text copy

#!/usr/bin/perl -w
# NAME: showscenery.pl
# AIM: Give a FG sceenery directory, list available chunks, and airports ICAO.btg.gz file
# 20/05/2020 - Review, and add several new features
# 2016-11-25 - Initial cut
use strict;
use warnings;
use File::Basename;  # split path ($name,$dir,$ext) = fileparse($file [, qr/\.[^.]*/] )
use File::stat;
use LWP::Simple;
use Cwd;
my $perl_dir = 'C:\GTools\perl';
my $DIR_SEP = "\\";
unshift(@INC, $perl_dir);
require 'lib_utils.pl' or die "Unable to load 'lib_utils.pl' Check paths in \@INC...\n";
# log file stuff
our ($LF);
my $pgmname = $0;
if ($pgmname =~ /(\\|\/)/) {
    my @tmpsp = split(/(\\|\/)/,$pgmname);
    $pgmname = $tmpsp[-1];
}
my $outfile = $perl_dir."\\temp.$pgmname.txt";
open_log($outfile);

# user variables
my $VERS = "0.0.1 2011-11-03";
my $load_log = 0;
my $in_directory = '';
my $verbosity = 0;
my $out_xml = '';
my $server = 'http://flightgear.sourceforge.net/scenery';
my $dirfile = '.dirindex';
my $no_chunk = 0;
my $split_chunk = 0;
my $root_file = $perl_dir.$DIR_SEP."temprootdi.txt";
my $xg_file = $perl_dir.$DIR_SEP."tempgrid.xg";

my @expected_dirs = qw( Airports Models Objects Terrain );
my @repo_dirs = qw( CVS .svn .git .hg );

my $debug_on = 0;
my $def_file = 'X:\fgsvnts';
#my $def_file = 'C:\FG\30\terrasync';

### program variables
my @warnings = ();
my $cwd = cwd();
my $os = $^O;
my $bounding = '';

my $g_total_bytes = 0;
my $g_total_files = 0;
my $g_total_dirs = 0;
my $g_total_air = 0;
my $g_min_lon = 400;
my $g_min_lat = 400;
my $g_max_lat = -400;
my $g_max_lon = -400;

my $split_cnt = 0;

sub reset_min_max() {
    $g_min_lon = 400;
    $g_min_lat = 400;
    $g_max_lat = -400;
    $g_max_lon = -400;
}

sub set_min_max($$) {
    my ($lon,$lat) = @_;
    $g_min_lon = $lon if ($lon < $g_min_lon);
    $g_min_lat = $lat if ($lat < $g_min_lat);
    $g_max_lon = $lon if ($lon > $g_max_lon);
    $g_max_lat = $lat if ($lat > $g_max_lat);
}


sub VERB1() { return $verbosity >= 1; }
sub VERB2() { return $verbosity >= 2; }
sub VERB5() { return $verbosity >= 5; }
sub VERB9() { return $verbosity >= 9; }

sub show_warnings($) {
    my ($val) = @_;
    if (@warnings) {
        prt( "\nGot ".scalar @warnings." WARNINGS...\n" );
        foreach my $itm (@warnings) {
           prt("$itm\n");
        }
        prt("\n");
    } else {
        prt( "\nNo warnings issued.\n\n" ) if (VERB9());
    }
}

sub pgm_exit($$) {
    my ($val,$msg) = @_;
    if (length($msg)) {
        $msg .= "\n" if (!($msg =~ /\n$/));
        prt($msg);
    }
    show_warnings($val);
    close_log($outfile,$load_log);
    exit($val);
}


sub prtw($) {
   my ($tx) = shift;
   $tx =~ s/\n$//;
   prt("$tx\n");
   push(@warnings,$tx);
}

sub get_xg_10x10_grid() {
    my $xg = "# World 10x10 grid\n";
    $xg .= "color gray\n";
    my ($x,$y);
    for ($x = -180; $x <= 180; $x += 10) {
        $xg .= "$x 90\n";
        $xg .= "$x -90\n";
        $xg .= "NEXT\n";
    }
    for ($y = -90; $y <= 90; $y += 10) {
        $xg .= "-180 $y\n";
        $xg .= "180 $y\n";
        $xg .= "NEXT\n";
    }
    return $xg;

}

sub is_in_expected($) {
    my $item = shift;
    my ($test);
    foreach $test (@expected_dirs) {
        return 1 if ($test eq $item);
    }
    return 0;
}

sub is_repo_dir($) {
    my $item = shift;
    my ($test);
    foreach $test (@repo_dirs) {
        return 1 if ($test eq $item);
    }
    return 0;
}



sub process_id_file($) {
    my ($inf) = @_;
    if (! open INF, "<$inf") {
        pgm_exit(1,"ERROR: Unable to open file [$inf]\n"); 
    }
    my @lines = <INF>;
    close INF;
    my $lncnt = scalar @lines;
    prt("Processing $lncnt lines, from [$inf]...\n");
    my ($version,$idpath);
    my ($line,$inc,$lnn,$len,@arr,$key);
    $lnn = 0;
    my @idirs = ();
    my @ifiles = ();
    foreach $line (@lines) {
        chomp $line;
        $lnn++;
        $line = trim_all($line);
        $len = length($line);
        next if ($len == 0);
        next if ($line =~ /^\#/);
        @arr = split(':',$line);
        $len = scalar @arr;
        $key = $arr[0];
        if ($key eq 'version') {
            if ($len > 1) {
                $version = $arr[1];
            } else {
                pgm_exit(1,"Error:$lnn: File '$inf' has bad line!\n".
                    "$line\n");
            }
        } elsif ($key eq 'path') {
            $idpath = '.';
            if ($len > 1) {
                $idpath = $arr[1];
            }
        } elsif ($key eq 'd') {
            if ($len > 2) {
                push(@idirs, [$arr[1],$arr[2]] );
            } else {
                pgm_exit(1,"Error:$lnn: File '$inf' has bad line!\n".
                    "$line\n");
            }
        } elsif ($key eq 'f') {
            if ($len > 3) {
                push(@ifiles, [$arr[1],$arr[2],$arr[3]] );
            } else {
                pgm_exit(1,"Error:$lnn: File '$inf' has bad line!\n".
                    "$line\n");
            }

        }
    }
    my %h = ();
    if (defined $version && defined $idpath) {
        $h{version} = $version;
        $h{path}    = $idpath;
        $h{files}   = \@ifiles;
        $h{dirs}    = \@idirs;
    }
    return \%h;
}

sub scan_model_folder($) {
    my $dir = shift;
    if (!opendir(DIR,$dir)) {
        prtw("WARNING: Failed to open directory [$dir]\n");
    }
    my @files = readdir(DIR);
    closedir(DIR);
    my $icnt = scalar @files;
    my $func = \&path_u2d;
    my ($i,$ff,$item,$filecnt,$dircnt);
    my @dirs = ();
    $filecnt = 0;
    $dircnt = 0;
    $dir .= $DIR_SEP if (!($dir =~ /(\\|\/)$/));
    for ($i = 0; $i < $icnt; $i++) {
        $item = $files[$i];
        $ff = $func->($dir.$item);
        if (-f $ff) {
            $filecnt++;
        } elsif (-d $ff) {
            next if (is_repo_dir($item));
            $dircnt++;
            push(@dirs,$ff);
        } else {
            prtw("WARNING: Skipping [$item] [$ff]! WHAT IS THIS?\n");
        }
    }
}

sub scan_airport_folder($) {
    my $dir = shift;
    if (!opendir(DIR,$dir)) {
        prtw("WARNING: Failed to open directory [$dir]\n");
    }
    my @files = readdir(DIR);
    closedir(DIR);
    my $icnt = scalar @files;
    my $func = \&path_u2d;
    my ($i,$ff,$item,$filecnt,$dircnt);
    my @dirs = ();
    $filecnt = 0;
    $dircnt = 0;
    $dir .= $DIR_SEP if (!($dir =~ /(\\|\/)$/));
    for ($i = 0; $i < $icnt; $i++) {
        $item = $files[$i];
        $ff = $func->($dir.$item);
        if (-f $ff) {
            $filecnt++;
        } elsif (-d $ff) {
            next if (is_repo_dir($item));
            $dircnt++;
            push(@dirs,$ff);
        } else {
            prtw("WARNING: Skipping [$item] [$ff]! WHAT IS THIS?\n");
        }
    }
}


sub process_each_degree($) {
    my $dir = shift;
    if (!opendir(DIR,$dir)) {
        prtw("WARNING: Failed to open directory [$dir]\n");
    }
    my @files = readdir(DIR);
    closedir(DIR);
    my $icnt = scalar @files;
    my $func = \&path_u2d;
    my ($nm,$dr) = fileparse($dir);
    my ($i,$ff,$item,$filecnt,$dircnt,$degcnt);
    my @dirs = ();
    my @fils = ();
    $filecnt = 0;
    $dircnt = 0;
    $degcnt = 0;
    my $stgcnt = 0;
    my $btgcnt = 0;
    my $hashcnt = 0;
    my $aircnt = 0;
    my $tot_size = 0;
    $dir .= $DIR_SEP if (!($dir =~ /(\\|\/)$/));
    my ($ew,$lon,$ns,$lat);
    my $msg = '';
    my $xg = "# Chunk/_1x1_/* files\n";
    for ($i = 0; $i < $icnt; $i++) {
        $item = $files[$i];
        next if ($item eq '.');
        next if ($item eq '..');
        $ff = $func->($dir.$item);
        my $sb = stat($ff);
      my $size = $sb->size;
        if (-f $ff) {
            # skip some files
            if ($item eq 'dirsizes.txt') {
            } elsif ($item =~ /\.old$/) {
            } elsif ($item =~ /\.bak$/) {
            } elsif ($item =~ /\.xg$/) {

            } elsif ($item =~ /\.stg$/) {
                $stgcnt++;
            } elsif ($item =~ /\.btg\.gz$/) {
                $btgcnt++;
                prt("BTG: $ff\n") if (VERB9());
                my $n = $item;
                $n =~ s/\.btg\.gz$//;
                if (length($n) >= 6) {
                    # is an INDEX.stg or .btg.gz
                } else {
                    $aircnt++;
                    $g_total_air++;
                    prt("AIR: $ff\n") if (VERB5());
                }
            } elsif ($item =~ /^\./) {
                $hashcnt++;
            } else {
                # what are these...
                $filecnt++;
                push(@fils,$ff);
            }
            $tot_size += $size;
            $g_total_bytes += $size;
            $g_total_files++;
        } elsif (-d $ff) {
            next if (is_repo_dir($item));
            # At this depth, should NOT be any directories
            $dircnt++;
            prtw("Warning: Unparsed dir '$item'! $ff What is this?\n");
        } else {
            prtw("WARNING: Skipping [$item] [$ff]! WHAT IS THIS?\n");
        }
    }
    # prt("Dir '$dir' contains degree $degcnt\n");
    # prt("Degree '$nm' contains - hash $hashcnt, BTG $btgcnt, STG $stgcnt, others $filecnt\n");
    $btgcnt = sprintf("%3d",$btgcnt);
    $stgcnt = sprintf("%3d",$stgcnt);
    $aircnt = sprintf("%3d",$aircnt);
    $tot_size = get_nn($tot_size);
    $tot_size = ' '.$tot_size while (length($tot_size) < 14);
    prt("Degree '$nm' - BTG $btgcnt, STG $stgcnt, hash $hashcnt, MISC $filecnt, total $tot_size bytes, AIR $aircnt.\n");

    return $xg;
}

# process each TILE, within a CHUNK
sub process_each_chunk($) {
    my $dir = shift;
    if (!opendir(DIR,$dir)) {
        prtw("WARNING: Failed to open directory [$dir]\n");
    }
    my @files = readdir(DIR);
    closedir(DIR);
    my $icnt = scalar @files;
    my $func = \&path_u2d;
    my ($nm,$dr) = fileparse($dir);
    my ($i,$ff,$item,$filecnt,$dircnt,$degcnt);
    my @dirs = ();
    my @fils = ();
    $filecnt = 0;
    $dircnt = 0;
    $degcnt = 0;
    my $stgcnt = 0;
    my $btgcnt = 0;
    my $aircnt = 0;
    $dir .= $DIR_SEP if (!($dir =~ /(\\|\/)$/));
    my ($ew,$lon,$ns,$lat,$lat1,$lon1);
    my $msg = '';
    my $xg = "# Chunk/Tiles $icnt\n";
    $xg .= "color blue\n";
    for ($i = 0; $i < $icnt; $i++) {
        $item = $files[$i];
        next if ($item eq '.');
        next if ($item eq '..');
        $ff = $func->($dir.$item);
        if (-f $ff) {
            # skip some files
            if ($item eq 'dirsizes.txt') {
            } elsif ($item =~ /\.old$/) {
            } elsif ($item =~ /\.bak$/) {
            } elsif ($item =~ /\.xg$/) {
            } elsif ($item =~ /\.stg$/) {
                $stgcnt++;
            } elsif ($item =~ /\.btg\.gz$/) {
                $btgcnt++;
            } else {
                # what are these...
                $filecnt++;
                push(@fils,$ff);
            }
        } elsif (-d $ff) {
            next if (is_repo_dir($item));
            $dircnt++;
            if ($item =~ /^(e|w){1}(\d{3})(n|s){1}(\d{2})$/) {
                $ew = $1;
                $lon = $2;
                $ns = $3;
                $lat = $4;
                $lon *= -1 if ($ew eq 'w');
                $lat *= -1 if ($ns eq 's');
                ### $xg .= "anno $lon $lat $item\n";
                $lon1 = $lon + 1;
                $lat1 = $lat + 1;
                $xg .= "$lon $lat\n";
                $xg .= "$lon1 $lat\n";
                $xg .= "$lon1 $lat1\n";
                $xg .= "$lon $lat1\n";
                $xg .= "$lon $lat\n";
                $xg .= "NEXT\n";
                $degcnt++;
                $msg .= " $item";
                push(@dirs,$ff);
                set_min_max($lon,$lat);
                set_min_max($lon1,$lat1);
            } else {
                prtw("Warning: Unparsed dir '$item'! What is this?\n");
            }
        } else {
            prtw("WARNING: Skipping [$item] [$ff]! WHAT IS THIS?\n");
        }
    }

    $g_total_dirs += $degcnt;
    # prt("Dir '$dir' contains btg.gz $btgcnt, stg $stgcnt\n");
    #prt("Chunk '$nm' contains $degcnt degree dirs.\n");
    prt("Chunk '$nm' contains $degcnt 1x1 deg. dirs.\n");
    foreach $dir (@dirs) {
        process_each_degree($dir);
    }
    return $xg;
}


sub scan_terrain_folder($) {
    my $dir = shift;
    if (!opendir(DIR,$dir)) {
        prtw("WARNING: Failed to open directory [$dir]\n");
    }
    my @files = readdir(DIR);
    closedir(DIR);
    my $icnt = scalar @files;
    my $func = \&path_u2d;
    my ($i,$ff,$item,$filecnt,$dircnt,$chunkcnt,$ofile);
    my @dirs = ();
    my @fils = ();
    $filecnt = 0;
    $dircnt = 0;
    $chunkcnt = 0;
    $dir .= $DIR_SEP if (!($dir =~ /(\\|\/)$/));
    my ($ew,$lon,$ns,$lat,$lon1,$lat1);
    my $msg = '';
    my $xg = "# Terrain Chunks\n";
    $xg .= "color yellow\n";
    for ($i = 0; $i < $icnt; $i++) {
        $item = $files[$i];
        next if ($item eq '.');
        next if ($item eq '..');
        $ff = $func->($dir.$item);
        if (-f $ff) {
            # skip some files
            if ($item eq 'dirsizes.txt') {
                # only keeps size
            } elsif ($item =~ /\.old$/) {
            } elsif ($item =~ /\.bak$/) {
            } elsif ($item =~ /\.xg$/) {
            } else {
                # what are these...
                $filecnt++;
                push(@fils,$ff);
            }
        } elsif (-d $ff) {
            next if (is_repo_dir($item));
            $dircnt++;
            if ($item =~ /^(e|w){1}(\d{3})(n|s){1}(\d{2})$/) {
                $ew = $1;
                $lon = $2;
                $ns = $3;
                $lat = $4;
                $lon *= -1 if ($ew eq 'w');
                $lat *= -1 if ($ns eq 's');
                ### $xg .= "anno $lon $lat $item\n";
                if (!$no_chunk) {
                    $lon1 = $lon + 10;
                    $lat1 = $lat + 10;
                    $xg .= "$lon $lat\n";
                    $xg .= "$lon1 $lat\n";
                    $xg .= "$lon1 $lat1\n";
                    $xg .= "$lon $lat1\n";
                    $xg .= "$lon $lat\n";
                    $xg .= "NEXT\n";
                    $lon1 = $lon + 5;
                    $lat1 = $lat + 5;
                    $xg .= "anno $lon1 $lat1 $item\n";
                }
                if ($chunkcnt == 0) {
                    $msg = "Terrain Chunks:";
                }
                $chunkcnt++;
                $msg .= " $item";
                if ($split_chunk) {
                    $xg .= process_each_chunk($ff); # TILES, within a CHUNK
                    $g_total_dirs++;
                    $split_cnt++;
                    $ofile = "$xg_file$split_cnt";
                    my ($n,$d) = fileparse($ofile);
                    rename_2_old_bak($ofile);
                    write2file($xg,$ofile);
                    prt("Written xg file '$ofile'\n");
                    if ($g_min_lon != 400) {
                        prt("$n:BBox: $g_min_lon,$g_min_lat,$g_max_lon,$g_max_lat\n");
                        $bounding .= "$n:BBox: $g_min_lon,$g_min_lat,$g_max_lon,$g_max_lat\n";
                    }
                    reset_min_max();
                    $xg = '';
                } else {
                    push(@dirs,$ff);
                }
            } else {
                prtw("Warning: Unparsed dir '$item'! What is this?\n");
            }
        } else {
            prtw("WARNING: Skipping [$item] [$ff]! WHAT IS THIS?\n");
        }
    }
    if (length($msg)) {
        prt("$msg ($chunkcnt), files $filecnt\n") if ($chunkcnt);
        if ($filecnt) {
            foreach $item (@fils) {
                prt("$item\n");
            }
        }
    }

    $dircnt = scalar @dirs;
    $g_total_dirs += $dircnt;
    foreach $ff (@dirs) {
        $xg .= process_each_chunk($ff); # TILES, within a CHUNK
    }
    if ($g_total_files) {
        $msg = "Scanned ".get_nn($g_total_dirs)." dirs, ";
        $msg .= "found ".get_nn($g_total_files)." files, total ".get_nn($g_total_bytes)." bytes.";
        prt("$msg\n");
    }

    return $xg;
}

sub scan_object_folder($) {
    my $dir = shift;
    if (!opendir(DIR,$dir)) {
        prtw("WARNING: Failed to open directory [$dir]\n");
    }
    my @files = readdir(DIR);
    closedir(DIR);
    my $icnt = scalar @files;
    my $func = \&path_u2d;
    my ($i,$ff,$item,$filecnt,$dircnt,$chunkcnt);
    my @dirs = ();
    $filecnt = 0;
    $dircnt = 0;
    $chunkcnt = 0;
    $dir .= $DIR_SEP if (!($dir =~ /(\\|\/)$/));
    my ($ew,$lon,$ns,$lat);
    my $msg = '';
    for ($i = 0; $i < $icnt; $i++) {
        $item = $files[$i];
        $ff = $func->($dir.$item);
        if (-f $ff) {
            $filecnt++;
        } elsif (-d $ff) {
            next if (is_repo_dir($item));
            $dircnt++;
            if ($item =~ /^(e|w){1}(\d{3})(n|s){1}(\d{2})$/) {
                $ew = $1;
                $lon = $2;
                $ns = $3;
                $lat = $4;
                if ($chunkcnt == 0) {
                    $msg = "Object  Chunks:";
                }
                $chunkcnt++;
                $msg .= " $item";
                push(@dirs,$ff);
            } else {
                # what is this
            }
        } else {
            prtw("WARNING: Skipping [$item] [$ff]! WHAT IS THIS?\n");
        }
    }
    if (length($msg)) {
        prt("$msg ($chunkcnt)\n") if ($chunkcnt);
    }
}

sub process_in_dir($) {
    my $dir = shift;
    if (!opendir(DIR,$dir)) {
        pgm_exit(1,"ERROR: Failed to open directory [$dir]\n");
    }
    my @files = readdir(DIR);
    closedir(DIR);
    my $fcnt = scalar @files;
    prt("Got $fcnt items from directory [$dir]\n");
    my ($i,$item,$ff,$isok,$dcnt);
    my $func = \&path_u2d;
    my $filecnt = 0;
    my $dircnt = 0;
    my @dirs = ();
    $dir .= $DIR_SEP if (!($dir =~ /(\\|\/)$/));
    for ($i = 0; $i < $fcnt; $i++) {
        $item = $files[$i];
        next if (($item eq '.')||($item eq '..'));
        $ff = $func->($dir.$item);
        if (-f $ff) {
            $filecnt++;
        } elsif (-d $ff) {
            $dircnt++;
            next if (is_repo_dir($item));
            $isok = is_in_expected($item);
            if ($isok) {
                push(@dirs,[$ff,$item]);
            } else {
                prt("Unknown directory item [$item]. Expected ".join("|",@expected_dirs)."\n");
            }
        } else {
            prtw("WARNING: Skipping [$item] [$ff]! WHAT IS THIS?\n");
        }
    }
    $dcnt = scalar @dirs;
    prt("Got $dircnt directories, $dcnt expected, $filecnt files...\n");
    $g_total_dirs += $dcnt;
    my $txg = '';
    for ($i = 0; $i < $dcnt; $i++) {
        $ff = $dirs[$i][0];
        $item = $dirs[$i][1];
        if ($item eq 'Models') {
            # what - count *.ac files
            scan_model_folder($ff);
        } elsif ($item eq 'Airports') {
            # count the ICAO.threshold.xml files
            scan_airport_folder($ff);
        } elsif ($item eq 'Terrain') {
            # show chunks available
            $txg .= scan_terrain_folder($ff);
        } elsif ($item eq 'Objects') {
            # also chunks
            scan_object_folder($ff);
        } else {
            prtw("WARNING: Uncased item [$item] [$ff]\n");
        }
    }
    if (length($txg)) {
        my $xg = ''; #get_xg_10x10_grid();
        $xg .= $txg;
        rename_2_old_bak($xg_file);
        write2file($xg,$xg_file);
        prt("Written xg file '$xg_file'\n");
    }
    if ($g_min_lon != 400) {
        prt("BBox $g_min_lon,$g_min_lat,$g_max_lon,$g_max_lat\n");
    }
    if (length($bounding)) {
        prt("Bounding boxes... foreach split chunks...\n");
        prt($bounding);
    }
}

sub get_terrascene() {
    my ($url,$data);
    if (! -f $root_file) {
        $url = $server . '/' . $dirfile; # = '.dirindex';
        $data = get($url);
        prt("$data\n");
        write2file($data,$root_file);
        prt("Written to root '$root_file'...");
    }
    if (! -f $root_file) {
        pgm_exit(1,"Error: Unable to create '$root_file'!\n");
    }
    my $rh = process_id_file($root_file);
    if (! defined ${$rh}{version}) {
        pgm_exit(1,"Error: Unable to process '$root_file'!\n");
    }
    my ($path,$rda,$rfa,$dc,$fc,$dir,$ra);
    $path = ${$rh}{path};
    $rda  = ${$rh}{dirs};
    $rfa  = ${$rh}{files};
    $dc = scalar @{$rda};
    $fc = scalar @{$rfa};
    prt("Path '$path', dirs $dc, files $fc\n");
    foreach $ra (@{$rda}) {
        $dir = ${$ra}[0];
        $url = $server . '/' . $dir . '/' . $dirfile; # = '.dirindex';
        prt("Fetch '$url'\n");
    }
    pgm_exit(1,"TEMP EXIT");
}



#########################################
### MAIN ###
parse_args(@ARGV);
#get_terrascene();
process_in_dir($in_directory);
pgm_exit(0,"");
########################################
sub give_help {
    prt("$pgmname: version $VERS\n");
    prt("Usage: $pgmname [options] in-dir\n");
    prt("Options:\n");
    prt(" --help  (-h or -?) = This help, and exit 0.\n");
    prt(" --verb[n]     (-v) = Bump [or set] verbosity. def=$verbosity\n");
    prt(" --load        (-l) = Load LOG at end. ($outfile)\n");
    #prt(" --out <file>  (-o) = Write output to this file.\n");
    prt(" --xg <file>   (-x) = Write xg output to this file. (def=$xg_file)\n");
    prt(" --no-chunk    (-n) = Do not add the CHUNK ouline. (def=$no_chunk)\n");
    prt(" --split       (-s) = Write each chunk to separate xg files. (def=$split_chunk)\n");
}

sub need_arg {
    my ($arg,@av) = @_;
    pgm_exit(1,"ERROR: [$arg] must have a following argument!\n") if (!@av);
}

sub parse_args {
    my (@av) = @_;
    my ($arg,$sarg);
    while (@av) {
        $arg = $av[0];
        if ($arg =~ /^-/) {
            $sarg = substr($arg,1);
            $sarg = substr($sarg,1) while ($sarg =~ /^-/);
            if (($sarg =~ /^h/i)||($sarg eq '?')) {
                give_help();
                pgm_exit(0,"Help exit(0)");
            } elsif ($sarg =~ /^v/) {
                if ($sarg =~ /^v.*(\d+)$/) {
                    $verbosity = $1;
                } else {
                    while ($sarg =~ /^v/) {
                        $verbosity++;
                        $sarg = substr($sarg,1);
                    }
                }
                prt("Verbosity = $verbosity\n") if (VERB1());
            } elsif ($sarg =~ /^l/) {
                $load_log = 1;
                prt("Set to load log at end.\n") if (VERB1());
#            } elsif ($sarg =~ /^o/) {
#                need_arg(@av);
#                shift @av;
#                $sarg = $av[0];
#                $out_xml = $sarg;
#                prt("Set out file to [$out_xml].\n") if (VERB1());
            } elsif ($sarg =~ /^x/) {
                need_arg(@av);
                shift @av;
                $sarg = $av[0];
                $xg_file = $sarg;
                prt("Set xg out file to [$xg_file].\n") if (VERB1());
            } elsif ($sarg =~ /^n/) {
                $no_chunk = 1;
                prt("Set no chunk outline in xg file.\n") if (VERB1());
            } elsif ($sarg =~ /^s/) {
                $split_chunk = 1;
                prt("Split chunks to different xg files.\n") if (VERB1());
            } else {
                pgm_exit(1,"ERROR: Invalid argument [$arg]! Try -?\n");
            }
        } else {
            if (length($in_directory)) {
                pgm_exit(1,"Aleady have in dir '$in_directory'! What is this '$arg'?\n");
            }
            $in_directory = $arg;
            prt("Set input to [$in_directory]\n");
        }
        shift @av;
    }

    if ((length($in_directory) ==  0) && $debug_on) {
        $in_directory = $def_file;
    }
    if (length($in_directory) ==  0) {
        pgm_exit(1,"ERROR: No input files found in command!\n");
    }
    if (! -d $in_directory) {
        pgm_exit(1,"ERROR: Unable to find directory [$in_directory]! Check name, location...\n");
    }
}

# eof - showscenery.pl

index -|- top

checked by tidy  Valid HTML 4.01 Transitional