#!/usr/bin/perl
use strict;
use warnings;

##################################
##  ARGUMENTS OF THE SCRIPT 
##################################

# the argument due to be used is
# the ALL_FT file

#####################################
# do not forget the $ before the ARGV
#####################################

# the format of the ALL_FT file has to be : $date.ALL_FT (ex: 20060904.ALL_FT)
my $ALL_FT_file = "$ARGV[0]";

################# END OF THE DECLARATION OF THE ARGUMENTS

my $Current_Dir = `pwd`;
# print STDOUT "the current directory is $Current_Dir";



# name of the OUTFILE

# the day appears in the name of the OUTFILE
my $day = $ALL_FT_file;

# the following command is used to skip the .ALL_FT in the name of the ALL_FT_file
# and thus to have the date 
$day =~ s/.ALL_FT//; 


# open the ALL_FT file 
open(INFILE,"<delay_${day}.csv") or die "Can't open : delay_${day}.csv: $!";


# to open the file
# OUTFILE is the name of the HANDLE in this case
  open (OUTFILE, ">unique_delay_${day}.csv") ;

# creation of a table
my @New_Table;

	while (<INFILE>) {

	# the lines are composed of elements separated by a point comma
	my $Line = $_;
	chomp($Line);
    	my @Elements = split(";", $Line);
	push(@New_Table, $Elements[2]);
	}

print @New_Table;
	my %Hash   = map { $_, 1 } @New_Table;

my @unique = keys %Hash;

	
close INFILE;
close OUTFILE;