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https://salsa.debian.org/dskoll/remind.git
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417 lines
11 KiB
Perl
Executable File
417 lines
11 KiB
Perl
Executable File
#!/usr/bin/perl
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# rem2html
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#
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# A script to convert from the output of "remind -p" to Hyper-Text Markup
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# Language (HTML), the text format used in WWW documents. By default, it
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# outputs a stand-alone file which can be fed directly into a web browser.
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# The output uses nested <TABLE> blocks, so it will only work in a browser
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# which supports tables (Netscape, MSIE, etc, NOT Lynx).
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#
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# This script works well on my computer (Linux 2.0.27) under Perl 5.003 and
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# 5.004. It should work fine on other unices but I have no idea whether
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# it will run under VMS, OS/2, Windows, etc.
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#
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# [Note from David: The REMIND license prohibits you from using REMIND
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# under Windows.]
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#
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# Rem2html puts "normal" CAL or MSG-type reminders in a <P></P> pair,
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# and escapes any special HTML characters.
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#
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# If you want to put actual HTML code in the calendar (hyper-links, for
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# example), use the "SPECIAL HTML" type. For example:
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#
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# REM Wed SPECIAL HTML <P> Meeting at \
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# <A HREF="http://www.linuxhq.com">Linux HQ</A> </P>
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#
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# This file is Copyright (C) 1997-8 by Don Schwarz <darkowl@mcs.net>
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# and David F. Skoll
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use Getopt::Long;
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@months = (January,February,March,April,May,June,July,August,September,October,November,December);
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$DefaultImageDir = "%IMAGEBASE%";
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if ($DefaultImageDir =~ m@/$@) {
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chop $DefaultImageDir;
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}
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$rem2html_version = "1.0";
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&parse_options();
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# Backgound color -- unfortunately, most Web browsers (as of 14 October 1999)
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# do not correctly handle transparency in PNG images, so I had to make the
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# moon image background white.
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$Options{'bgcolor'} ||= "BGCOLOR=\"#FFFFFF\"";
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if (-t STDIN) {
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print STDERR "(Rem2HTML: Input should not come from a terminal.)\n";
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$Options{'help'} = 1;
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}
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if ($Options{'help'}) {
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&show_usage();
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} elsif ($Options{'version'}) {
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print "Rem2HTML Version $rem2html_version.\n";
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} else {
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$successes = 0;
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while(1) {
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last if (!parse_input());
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$successes++;
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&output_header();
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&output_data();
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&output_footer();
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}
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print STDERR "Rem2HTML: Couldn't find any calendar data.\n" if (!$successes);
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}
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exit(0);
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sub show_usage {
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print STDERR <<EndOfUsage;
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Rem2HTML: Produce a HTML calendar from the output of Remind.
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Usage: rem2html [options]
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Options:
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--help, -h Print this information
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--version Version information
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-p file Prepend the specified HTML file to the beginning of the
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output
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-a file Append the specified HTML file to the end of the output
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-f[shted] font Set font for small cal, hdr, title, cal entries,day numbers
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-s[hted] size Set size for header, title, calendar entries and/or day
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numbers
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--backurl url Make the title on the previous month's small calendar entry
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a hyperlink to <url>
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--forwurl url Same as --backurl, but with the next month's small calendar
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--tableonly Output the results as a <TABLE> block only, no <HTML>, etc.
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--border,-b size Set the border thickness of the table
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--cellspace,-t size Set the line thickness of the table
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--bgcolor,-g color Set the background color for the day entries
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EndOfUsage
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}
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sub escape_html {
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my($in) = @_;
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$in =~ s/\&/\&/g;
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$in =~ s/\</\</g;
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$in =~ s/\>/\>/g;
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return $in;
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}
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sub parse_options {
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%Options = ();
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GetOptions (\%Options, "help|h",
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"version",
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"border|b=i",
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"cellspace|t=i",
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"backurl|bu:s", "forwurl|fu:s",
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"tableonly|to",
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"prologue|p=s",
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"append|a=s",
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"bgcolor|g=s",
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"fs=s", "fh=s", "ft=s", "fe=s", "fd=s",
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"sh=i", "st=i", "se=i", "sd=i",
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);
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$Options{'border'} = "BORDER=" . ($Options{'border'} || 1);
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$Options{'cellspace'} &&= "CELLSPACING=$Options{'cellspace'}";
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$Options{'bgcolor'} &&= "BGCOLOR=$Options{'bgcolor'}";
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}
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sub parse_input {
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local $where = 0;
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local $msg;
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local $type;
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local $day;
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@days = ();
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@shades = ();
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@moons = ();
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while (<>) {
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chomp($_);
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if (/rem2(html|ps) begin/) {
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} elsif (!$where) {
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next;
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} elsif ($where == 1) {
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local ($month, $year);
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($month, $year, $month_length, $firstday, $mfirst) = split(" ");
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$caption = "$month, $year";
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for $i ( 1 .. $month_length) { push(@days, ""); }
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} elsif ($where == 2) {
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@DayNames = split(" ");
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} elsif ($where == 3) {
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@prevsc = split(" ");
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} elsif ($where == 4) {
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@nextsc = split(" ");
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} else {
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return 1 if /rem2(html|ps) end/;
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next if /^\#/;
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next unless m/^(\d*).(\d*).(\d*)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s*(.*)$/;
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$type = $4;
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$msg = $8;
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$day = $3;
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if ($type eq "HTML") {
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$days[$day] .= "$msg ";
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} elsif ($type eq "MOON") {
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my($phase, $text);
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if ($msg =~ /^\s*(\d+)\s+\S+\s+\S+\s+(.*)$/) {
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$phase = $1;
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$text = $2;
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} elsif ($msg =~ /^\s*(\d+)/) {
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$phase = $1;
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$text = "";
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} else {
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next;
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}
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next if ($phase > 3);
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if ($phase == 0) {
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$text = "<IMAGE SRC=\"$DefaultImageDir/newmoon.png\" ALT=\"New Moon\"" .
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"WIDTH=16 HEIGHT=16> <FONT SIZE=\"-2\">" . escape_html($text);
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} elsif ($phase == 1) {
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$text = "<IMAGE SRC=\"$DefaultImageDir/firstquarter.png\" ALT=\"First Quarter\"" .
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"WIDTH=16 HEIGHT=16> <FONT SIZE=\"-2\">" . escape_html($text);
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} elsif ($phase == 2) {
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$text = "<IMAGE SRC=\"$DefaultImageDir/fullmoon.png\" ALT=\"Full Moon\"" .
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"WIDTH=16 HEIGHT=16> <FONT SIZE=\"-2\">" . escape_html($text);
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} else {
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$text = "<IMAGE SRC=\"$DefaultImageDir/lastquarter.png\" ALT=\"Last Quarter\"" .
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"WIDTH=16 HEIGHT=16> <FONT SIZE=\"-2\">" . escape_html($text);
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}
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$moons[$day] = $text . "</FONT> ";
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} elsif ($type eq "SHADE") {
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my($red, $green, $blue);
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if ($msg =~ /^\s*(\d+)\s+(\d+)\s+(\d+)\s*$/) {
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$red = $1;
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$green = $2;
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$blue = $3;
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} elsif ($msg =~ /^\s*(\d+)\s*$/) {
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$red = $1;
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$green = $1;
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$blue = $1;
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} else {
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next;
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}
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next if ($red > 255 || $green > 255 || $blue > 255);
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$shades[$day] = sprintf(" BGCOLOR=\"#%02X%02X%02X\"",
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$red, $green, $blue);
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} elsif ($type eq "COLOR") {
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my($red, $green, $blue, $stuff);
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if ($msg =~ /^\s*(\d+)\s+(\d+)\s+(\d+)\s*(.*)$/) {
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$red = $1;
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$green = $2;
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$blue = $3;
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$stuff = $4;
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next if ($red > 255 || $green > 255 || $blue > 255);
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$days[$day] .=
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sprintf("<P><font color=\"#%02x%02x%02x\">",
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$red, $green, $blue) .
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escape_html($stuff) . "</font></P>";
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} else {
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next;
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}
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} elsif ($type eq "*") {
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$msg = &escape_html($msg);
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$days[$day] .= "<P>$msg</P>";
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}
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}
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$where++;
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}
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if ($where) {
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return 1;
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}
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return 0;
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}
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sub output_header {
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local ($title, $dayheader);
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if (!$Options{'tableonly'}) {
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print <<EndOfHTML;
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<HTML>
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<HEAD><TITLE>Reminders for $caption</TITLE></HEAD>
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<BODY>
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EndOfHTML
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}
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print <<EndOfHTML;
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<!-- This output was produced by Rem2HTML $rem2html_version (written by
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Don Schwarz <darkowl\@mcs.net>) and Remind (written by David F. Skoll). -->
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EndOfHTML
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if ($Options{'prologue'}) {
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open(PROLOGUE, "< $Options{'prologue'}");
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print while ( <PROLOGUE> );
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close(PROLOGUE);
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}
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$caption = &format_font($caption, $Options{'ft'}, $Options{'st'} || "+1");
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print <<EndOfHTML;
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<TABLE $Options{'border'} $Options{'cellspace'} $Options{'bgcolor'} WIDTH=100%>
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<CAPTION><STRONG>$caption</STRONG></CAPTION>
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<TR>
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EndOfHTML
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$mfirst || &print_day_header($DayNames[0]);
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for($i=1; $i<7; $i++) {
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&print_day_header($DayNames[$i]);
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}
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$mfirst && &print_day_header($DayNames[0]);
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print " </TR>\n";
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}
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sub output_footer {
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print "</TABLE>\n";
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if ($Options{'append'}) {
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open(EPILOGUE, "< $Options{'append'}");
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print while ( <EPILOGUE> );
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close(EPILOGUE);
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}
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unless ($Options{'tableonly'}) {
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print <<EndOfHTML;
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</BODY>
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</HTML>
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EndOfHTML
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}
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}
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sub output_data {
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local ($endday, $prevday, $nextday, $week, $weekday);
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local ($element, $day, $msg, $fday);
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$firstday -= $mfirst;
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if ($firstday < 0) { $firstday += 7; }
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$endday = $firstday + $month_length;
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$endweek = $endday + (6 - ($endday % 7));
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$endday %= 7;
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if ( $firstday > 1 ) {
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$prevday = 0;
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$nextday = 1;
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} elsif ($endday ? ($endday < 5) : !$firstday) {
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$prevday = $endweek - 1;
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$nextday = $endweek;
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} else {
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$prevday = 0;
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$nextday = $endweek;
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}
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for $week ( 0..5 ) {
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print " <TR>\n";
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for $weekday ( 0..6 ) {
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$element = ($week * 7) + ($weekday * 1);
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$day = $element - $firstday + 1;
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$msg = $days[$day];
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$msg = $msg ? &format_font($msg, $Options{'fe'}, $Options{'se'})
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: " <BR> <BR> <BR> <BR>";
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$fday = &format_font($day, $Options{'fd'}, $Options{'sd'} || -1);
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if ($day > 0 && $day <= $month_length) {
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print <<EndOfHTML;
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<TD HEIGHT="120" VALIGN=TOP WIDTH=14%$shades[$day]>
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<P ALIGN=RIGHT>$moons[$day]$fday</P>
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$msg
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</TD>
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EndOfHTML
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} elsif ($element == $prevday) {
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&small_calendar(@prevsc, 1, $Options{'backurl'});
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} elsif ($element == $nextday) {
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&small_calendar(@nextsc, 2, $Options{'forwurl'});
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} else {
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print " <TD WIDTH=14%><BR></TD>";
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}
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}
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print " </TR>\n";
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last if $day >= $month_length && $element >= $nextday;
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}
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}
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sub small_calendar {
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local ($scname, $scn, $which, $url) = @_;
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local ($scstart, $l, $week, $weekday, $tday);
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$scname = "<A HREF=\"$url\">$scname</A>", if $url;
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$scname = &format_font($scname, $Options{'fs'}, -2);
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if ($which == 1) {
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$scstart = $firstday - ($scn % 7);
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if ($scstart < 0) { $scstart += 7; }
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} else {
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$scstart = $firstday + ($month_length % 7);
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if ($scstart > 6) { $scstart -= 7; }
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}
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print <<EndOfHTML;
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<TD WIDTH=14% VALIGN=TOP>
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<TABLE WIDTH=100%>
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<CAPTION><STRONG>$scname</STRONG></CAPTION>
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<TR>
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EndOfHTML
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$mfirst || &print_day_header(substr($DayNames[0], 0, 1), 1);
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for ($i=1; $i<7; $i++) {
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&print_day_header(substr($DayNames[$i], 0, 1), 1);
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}
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$mfirst && &print_day_header(substr($DayNames[0], 0, 1), 1);
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print "</TR>\n";
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for $week ( 0..5 ) {
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print " <TR>\n";
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for $weekday ( 0..6 ) {
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$tday = ($week * 7) + ($weekday * 1) - $scstart + 1;
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$tday = "", if $tday <= 0 || $tday > $scn;
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print " <TD WIDTH=14%><FONT SIZE=-2>$tday</FONT></TD>\n";
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}
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print " </TR>\n";
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last if $tday >= $scn;
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}
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print <<EndOfHTML;
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</TABLE>
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</TD>
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EndOfHTML
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}
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sub format_font {
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local ($text, $font, $size) = @_;
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if (!$text) {
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return "";
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} elsif ($font && $size) {
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return "<FONT FACE=$font SIZE=$size>$text</FONT>";
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} elsif ($font) {
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return "<FONT FACE=$font>$text</FONT>";
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} elsif ($size) {
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return "<FONT SIZE=$size>$text</FONT>";
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} else {
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return $text;
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}
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}
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sub print_day_header {
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local ($dheader, $small) = @_;
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if ($small) {
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$dheader = &format_font($dheader, $Options{'fs'}, -2);
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} else {
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$dheader = &format_font($dheader, $Options{'fh'}, $Options{'sh'});
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}
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print " <TH WIDTH=14%>$dheader</TH>\n";
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}
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