Yup that fixed it, those binaries are much less also! excuse my comment before its just when I saw you opening 2 files I just turned away immediately, I just a have strange error on the exist but output is quiet fine : 
#!/usr/bin/env perl
use warnings;
use strict;
use Text::CSV_XS; # also install Text::CSV_XS for speed

my $csv = Text::CSV_XS->new({ binary=>1, auto_diag=>2, escape_char=>'\
+\',
    eol=>$/, quote_char=>'"', sep_char=>";", always_quote=>1 });
while ( my $row = $csv->getline(*ARGV) ) {
    $row->[5] = pack '(H2)*', split /:/, $row->[5];
    $row->[5] =~ s/\A\x19\x68\x09\x24\x00+|\x00+\z//g;
    $csv->print(select, $row);
}
$csv->eof or $csv->error_diag;

[download]

OUTPUT 

"Feb  2, 2018 18:06:49.993152000 ";"172.16.13.158";"1169";"151.101.112
+.102";"443";"[\0vSSL.Slack"
"Feb  2, 2018 18:06:49.993349000 ";"172.16.16.75";"26504";"31.13.86.8"
+;"443";"[\0wSSL.Facebook"
"Feb  2, 2018 18:06:49.993467000 ";"172.16.13.158";"28802";"151.101.11
+2.102";"443";"[\0vSSL.Slack"
"Feb  2, 2018 18:06:49.996467000 ";"192.167.170.118";"48620";"216.58.2
+10.206";"443";"�\0|QUIC.YouTube"
"Feb  2, 2018 18:06:49.997690000 ";"172.16.15.155";"33318";"172.217.18
+.46";"443";"[\0�SSL.PlayStore"
"Feb  2, 2018 18:06:49.998318000 ";"172.16.23.85";"26617";"31.13.86.51
+";"443";"[\0SL.WhatsApp"
"Feb  2, 2018 18:06:49.998889000 ";"172.16.16.75";"26497";"172.217.18.
+42";"443";"[\0�SSL.GoogleServi"
"Feb  2, 2018 18:06:49.999517000 ";"172.16.14.116";"27917";"216.58.209
+.36";"443";"[\0~SSL.Google"
"Feb  2, 2018 18:06:50.001838000 ";"172.16.14.163";"26396";"172.217.18
+.42";"443";"[\0�SSL.GoogleServi"
"Feb  2, 2018 18:06:50.002442000 ";"192.167.175.103";"1169";"107.154.5
+0.239";"21120";"Unknown"
Use of uninitialized value in split at ./dpi.pl line 9, <> line 11.
"";;;;;""

[download]
~

In reply to Re^4: Replace a Hex Value in Column by ktham33n
in thread Replace a Hex Value in Column by ktham33n

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