hello monks

I have this code for txt to csv

#!/bin/perl -w

use strict;
use warnings;

use Text::CSV;
my $csv = Text::CSV->new();          # creates object 

my $in_file = 'C:\Documents and Settings\x0199665\My Documents\tempora
+ry.tl';     # input file 
open my $in_fh, '<', $in_file or die "could not open $in_file: $!\n"; 
+              # assigns the file handler to input file as in_fh

my @rows = ();                                                        
+     # keeps the count of rows in txt input file
while( my $line = <$in_fh> ){                                         
+     #  copies the line from our input 
  chomp $line;
  
  push @rows, [ split m{ ,}msx, $line ];                              
+    # splits the contents of $line seperated by comma and pushes it i
+n array 
}
close $in_fh or die "could not close $in_file: $!\n";

$csv->eol( "\n" );                                                    
+     # after each line it gives a new line command

print " Please enter the name of your csv file in which you will make 
+modifications  ";
print "\n";
my $out_file = <>;
    chomp $out_file;
   

open my $out_fh ,">", $out_file or die "could not open $out_file: $!\n
+";

for my $row ( @rows ){
  $csv->print( $out_fh, $row ) or die "could not print to $out_file: $
+!\n";          # prints out the csv format
}
close $out_fh or die "could not close $out_file: $!\n";
my $rm_file = "temporary.tl";
unlink($rm_file) ;                                # this will remove t
+he temporary file 
exit;
[download]

but this code puts " " in the csv . I don't know why , so how to remove them

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