Ajcody-Calendar-Issues

Revision as of 21:44, 27 August 2010 by Ajcody (talk | contribs) (Created page with '{{Unsupported}} =Calendar Issues= ==Calendar Issues Homepage== Please see Ajcody-Calendar-Issues ==Some Helpful Scripts To Run Against ICS File== ===parseics.pl === <pr…')

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)


Calendar Issues

Calendar Issues Homepage

Please see Ajcody-Calendar-Issues

Some Helpful Scripts To Run Against ICS File

parseics.pl

#!/usr/bin/perl

$file = $ARGV[0];

if (!$file)
{
	print "Must specify filename.\n";
	exit;
}
elsif (!-e $file)
{
	print "File does not exist!\n";
	exit;
}
else
{
	#print "File exists. Continuing...\n";
	open(ICS, "<$file");
	@ics = <ICS>;
	$errors=0;
	$events=0;
	for ($i=0;$i<=$#ics;$i++)
	{
		if ($ics[$i] =~ "BEGIN:VEVENT")
		{
			$organizer=0;
			$attendee=0;
			$event="";
			#print "vevent start\n";
			while ($ics[$i+1] !~ "END:VEVENT")
			{
				$event .= $ics[$i];
				if ($ics[$i] =~ "ORGANIZER")
				{
					$organizer=1;
				}
				if ($ics[$i] =~ "ATTENDEE")
				{
					$attendee=1;
				}
				$i++;
			}
			#print "vevent end\n";
			if ($attendee && !$organizer)
			{
				$event .= $ics[$i];
				$event .= $ics[$i+1];
				print "Invalid event.  Attendee but no organizer present!\n";
				print $event;
				$errors++;
			}
			$events++;
		}
	}
	print "$errors error(s) out of a total of $events events present.\n";
}

ical-split.pl

#!/usr/bin/perl
# ical-parse.pl
# b 2008 03 12
#insist on an input file
if ( scalar(@ARGV) < 1 ) { print "Please specify a filename.\n" and usage() and exit; }
my $infile = shift @ARGV;
$numevents = qx/grep BEGIN:VEVENT $infile | wc -l/;
chomp $numevents;
$numevents =~ s/[^0-9]//g;

$TRUE=1;$FALSE=0;
$eventcount=0;
$summary='';
$inVEVENT = $FALSE; # track whether we are in the middle of a vevent
@currentVEVENT=(''); # hold the lines of the current vevent in this array (this will hog memory :()

open( INFILE, $infile ) or die "Could not open $infile for read: $!";
while ($line = <INFILE> ) {
	chomp $line;
	if ( $line =~ m/^BEGIN:VEVENT$/ ) { # case I.
		($inVEVENT) and die "Error: found new BEGIN:VEVENT without END:VEVENT\n";
		$inVEVENT = $TRUE;
		$eventcount++;
		@currentVEVENT=($line);
	}
	elsif ( $line =~ m/^END:VEVENT$/ ) { # case II.
		(!$inVEVENT) and die "Error: found END:VEVENT without BEGIN:VEVENT\n";
		push(@currentVEVENT, $line);
		$size = $#currentVEVENT;
		$zeros = zeropad($eventcount, $numevents); #eh ever heard of sprintf
		$outfile = "${zeros}${eventcount}-${summary}-${size}.ics";
		open( OUTFILE, ">>", $outfile ) or die "Could not open $outfile for write: $!";
		foreach $l (@currentVEVENT) {
			print OUTFILE "$l\n";
		}
		close OUTFILE;
		$inVEVENT=$FALSE; $summary=''; $size=0; @currentVEVENT=('');
	}
	elsif ( ($temp) = ( $line =~ m/^SUMMARY:(.*)$/ ) ) { # case III.A.
		$summary = $temp; #forget why temp
		$summary =~ s/[^-a-zA-Z0-9.]/_/g;
		push(@currentVEVENT, $line);
	}
	elsif ($inVEVENT) { # case III.
		push(@currentVEVENT, $line);
	}

}

$cases='
I. BEGIN:VEVENT
 A. (inVEVENT) and error: previous event not closed
 B. (else) set inVEVENT, start array, push line
II. END:VEVENT
 A. (inVEVENT) push line, write array, unset inVEVENT, unset summary, empty array
 B. (else) error: no event started
III. <event line>
 A (matches ^SUMMARY:) and set summary, push line
IV. <non event line>


';

exit;
sub usage {
    print "Usage: $0 <ical file>\nWrites a new file for each VEVENT\n";
}
sub zeropad() { #num-to-pad, total-with-max-digits, return 0...
	$num=shift;
	$total=shift;
	$curr=length($num);
	$max=length($total);
	$pad='';
	for ($x=0; $x < ($max-$curr); $x++) {
		$pad .= '0';
	}
	return "$pad";
}
Jump to: navigation, search