/usr/bin/chartex is in libspreadsheet-writeexcel-perl 2.40-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 | #!/usr/bin/perl -w
eval 'exec /usr/bin/perl -w -S $0 ${1+"$@"}'
if 0; # not running under some shell
#######################################################################
#
# chartex - A utility to extract charts from an Excel file for
# insertion into a Spreadsheet::WriteExcel file.
#
# reverse('©'), September 2007, John McNamara, jmcnamara@cpan.org
#
# Documentation after __END__
#
use strict;
use OLE::Storage_Lite;
use Getopt::Long;
use Pod::Usage;
my $man = 0;
my $help = 0;
my $in_chart = 0;
my $chart_name = 'chart';
my $chart_index = 1;
my $sheet_index = -1;
my @sheetnames;
my @exrefs;
my $depth_count = 0;
my $max_font = 0;
#
# Do the Getopt and Pod::Usage routines.
#
GetOptions(
'help|?' => \$help,
'man' => \$man,
'chart=s' => \$chart_name,
) or pod2usage(2);
pod2usage(1) if $help;
pod2usage(-verbose => 2) if $man;
# From the Pod::Usage pod:
# If no arguments were given, then allow STDIN to be used only
# if it's not connected to a terminal (otherwise print usage)
pod2usage() if @ARGV == 0 && -t STDIN;
# Check that the file can be opened because OLE::Storage_Lite won't tell us.
# Possible race condition here. Could fix with latest OLE::Storage_Lite. TODO.
#
my $file = $ARGV[0];
open TMP, $file or die "Couldn't open $file. $!\n";
close TMP;
my $ole = OLE::Storage_Lite->new($file);
my $book97 = pack 'v*', unpack 'C*', 'Workbook';
my $workbook = ($ole->getPpsSearch([$book97], 1, 1))[0];
die "Couldn't find Excel97 data in file $file.\n" unless $workbook;
# Write the data to a file so that we can access it with read().
my $tmpfile = IO::File->new_tmpfile();
binmode $tmpfile;
my $biff = $workbook->{Data};
print {$tmpfile} $biff;
seek $tmpfile, 0, 0;
my $header;
my $data;
# Read the file record by record and look for a chart BOF record.
#
while (read $tmpfile, $header, 4) {
my ($record, $length) = unpack "vv", $header;
next unless $record;
read $tmpfile, $data, $length;
# BOUNDSHEET
if ($record == 0x0085) {
push @sheetnames, substr $data, 8;
}
# EXTERNSHEET
if ($record == 0x0017) {
my $count = unpack 'v', $data;
for my $i (1 .. $count) {
my @tmp = unpack 'vvv', substr($data, 2 +6*($i-1));
push @exrefs, [@tmp];
}
}
# BOF
if ($record == 0x0809) {
my $type = unpack 'xx v', $data;
if ($type == 0x0020) {
my $filename = sprintf "%s%02d.bin", $chart_name, $chart_index;
open CHART, ">$filename" or die "Couldn't open $filename: $!";
binmode CHART;
my $sheet_name = $sheetnames[$sheet_index];
$sheet_name .= ' embedded' if $depth_count;
printf "\nExtracting \%s\ to %s", $sheet_name, $filename;
$in_chart = 1;
$chart_index++;
}
$depth_count++;
}
# FBI, Chart fonts
if ($record == 0x1060) {
my $index = substr $data, 8, 2, '';
$index = unpack 'v', $index;
# Ignore the inbuilt fonts.
if ($index >= 5) {
$max_font = $index if $index > $max_font;
# Shift index past S::WE fonts
$index += 2;
}
$data .= pack 'v', $index;
}
# FONTX, Chart fonts
if ($record == 0x1026) {
my $index = unpack 'v', $data;
# Ignore the inbuilt fonts.
if ($index >= 5) {
$max_font = $index if $index > $max_font;
# Shift index past S::WE fonts
$index += 2;
}
$data = pack 'v', $index;
}
if ($in_chart) {
print CHART $header, $data;
}
# EOF
if ($record == 0x000A) {
$in_chart = 0;
$depth_count--;
$sheet_index++ if $depth_count == 0;
;
}
}
if ($chart_index > 1) {
print "\n\n";
print "Add the following near the start of your program\n";
print "and change the variable names if required.\n\n";
}
else {
print "\nNo charts found in workbook\n";
}
for my $aref (@exrefs) {
my $sheet1 = $sheetnames[$aref->[1]];
my $sheet2 = $sheetnames[$aref->[2]];
my $range;
if ($sheet1 ne $sheet2) {
$range = $sheet1 . ":" . $sheet2;
}
else {
$range = $sheet1;
}
$range = "'$range'" if $range =~ /[^\w:]/;
print " \$worksheet->store_formula('=$range!A1');\n";
}
print "\n";
for my $i (5 .. $max_font) {
printf " my \$chart_font_%d = \$workbook->add_format(font_only => 1);\n",
$i -4;
}
__END__
=encoding latin1
=head1 NAME
chartex - A utility to extract charts from an Excel file for insertion into a Spreadsheet::WriteExcel file.
=head1 DESCRIPTION
This program is used for extracting one or more charts from an Excel file in binary format. The charts can then be included in a C<Spreadsheet::WriteExcel> file.
See the C<add_chart_ext()> section of the Spreadsheet::WriteExcel documentation for more details.
=head1 SYNOPSIS
chartex [--chartname --help --man] file.xls
Options:
--chartname -c The root name for the extracted charts,
defaults to "chart".
=head1 OPTIONS
=over 4
=item B<--chartname or -c>
This sets the root name for the extracted charts, defaults to "chart". For example:
$ chartex file.xls
Extracting "Chart1" to chart01.bin
$ chartex -c mychart file.xls
Extracting "Chart1" to mychart01.bin
=item B<--help or -h>
Print a brief help message and exits.
=item B<--man or -m>
Prints the manual page and exits.
=back
=head1 AUTHOR
John McNamara jmcnamara@cpan.org
=head1 VERSION
Version 0.02.
=head1 COPYRIGHT
© MMV, John McNamara.
All Rights Reserved. This program is free software. It may be used, redistributed and/or modified under the same terms as Perl itself.
=cut
|