#!/usr/bin/perl
#
# ldif2csv.pl
#
# Writes CSV file to STDOUT based on LDIF file
# 
# If you have comment on my code, please drop me a note. 
# You can find my email at http://www.painfullscratch.nl
#
# 

if(scalar(@ARGV) != 1) { 
	print STDERR "Usage: $0 <ldiffile>\n";
	exit(1);
} 

my $filename = $ARGV[0];
my %fields;

open(FILE, " < $filename") or die("Can't open $filename: ".$@);
my @content = <FILE>;
close(FILE);

# determine all used fields in ldif file ...
foreach (@content) { 
	if(/^# search result$/) { 
		last;
	} 
	elsif(/^(?!# )(.+): .+$/) { 
		my $fieldname = $1;
		$fields{$fieldname} = undef;
	} 
} 

print join(";", sort keys %fields )."\n";

my %lfields = ();

foreach (@content) { 
	my $line = $_;
	$_ = $line;
	if(/^# search result$/) { 
		last;
	} 
	elsif(/^(?!# )(.+): (.+)$/) { 
		my $fieldname = $1;
		my $value = $2;
		push(@{$lfields{$fieldname}},$value);
	} 
	elsif(/^$/) { 
		if(defined $lfields{'dn'}) { 
			foreach my $fieldname ( sort keys %fields ) { 
				print '"'.join(",",@{$lfields{$fieldname}}).'";';
			} 
			print "\n";
			%lfields = ();
		} 
	} 
}

exit;