Re: Extracting data from each line that matches a email address from a Log file (Tab delimited)

and to complete the suite - a version using DBI. Note that there is a "cheat" here in that the first line of the sample data has been omitted and, due to the # at the start of the header line the data field's name is '# Date'.

use strict;
use warnings 'all';
use DBI;

# Create the sample file
open outFile, '>', 'sample.csv';
print outFile
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'Date    Time    client-ip    Client-hostname    Partner-Name    Serve
+r-hostname    server-IP    Recipient-Address    Event-ID    MSGID    
+Priority    Recipient-Report-Status    total-bytes    Number-Recipien
+ts    Origination-Time    Encryption    service-Version    Linked-MSG
+ID    Message-Subject    Sender-Address
2005-9-10    0:0:16 GMT    -    -    -    storming    -    Someoneg@ao
+l.com    1027    2433A69xxxxxxxxxxxxxxxx795006DB02DADF78@storming.Dom
+ain.name1    0    0    11927    1    2005-9-10 0:0:16 GMT    0    -  
+  c=US;a= ;p=AMSCAN;l=storming-050910000016Z-212788    Fw: Hey Ugly l
+ine expansion and re-offer    EX:/O=org/OU=Site/CN=RECIPIENTS/CN=Ause
+r    -
2005-9-10    0:0:16 GMT    -    -    -    storming    -    c1r3ai4g@ao
+l.com    1019    2433A690xxxxxxxxxxxxxxxx5006DB02DADF78@storming.Doma
+in.name1    0    0    11927    1    2005-9-10 0:0:16 GMT    0    -   
+ -    Fw: Hey Ugly line expansion and re-offer    -    -
2005-9-10    0:0:16 GMT    -    -    -    storming    -    c1r3ai4g@ao
+l.com    1025    2433A6xxxxxxxxxxxxxxxx95006DB02DADF78@storming.Domai
+n.name1    0    0    11927    1    2005-9-10 0:0:16 GMT    0    -    
+-    Fw: Hey Ugly line expansion and re-offer    -    -
2005-9-10    0:0:16 GMT    -    -    -    storming    -    c1r3ai4g@ao
+l.com    1024    2433A690Fxxxxxxxxxxxxxxxx6795006DB02DADF78@storming.
+Domain.name1    0    0    11927    1    2005-9-10 0:0:16 GMT    0    
+-    -    Fw: Hey Ugly line expansion and re-offer    -    -
2005-9-10    0:0:17 GMT    -    -    -    storming    -    c1r3ai4g@ao
+l.com    1033    2433Axxxxxxxxxxxxxxxx428E5EE4C6795006DB02DADF78@stor
+ming.Domain.name1    0    0    11927    1    2005-9-10 0:0:16 GMT    
+0    -    -    Fw: Hey Ugly line expansion and re-offer    Auser@Doma
+in.name    -
2005-9-10    0:0:17 GMT    -    -    -    storming    -    c1r3ai4g@ao
+l.com    1020    2433A69xxxxxxxxxxxxxxxx95006DB02DADF78@storming.Doma
+in.name1    0    0    11927    1    2005-9-10 0:0:16 GMT    0    -   
+ -    Fw: Hey Ugly line expansion and re-offer    Auser@Domain.name  
+  -
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';
close outFile;

# The real sample code
my $dbh = DBI->connect(qq{DBI:CSV:csv_sep_char=\\\t})
    or die "Cannot connect: " . $DBI::errstr;
my $sth = $dbh->{'csv_tables'}->{'info'} = { 'file' => 'sample.csv'};
$sth = $dbh->prepare("SELECT * FROM sample.csv")
    or die "Cannot prepare: " . $dbh->errstr();
$sth->execute() or die "Cannot execute: " . $sth->errstr();
while (my $row = $sth->fetchrow_hashref)
  {
  print("$row->{'Date'}, $row->{'Time'}, $row->{'Recipient-Address'}, 
+$row->{'Message-Subject'}, $row->{'Sender-Address'}, \n");
  }

$sth->finish();
$dbh->disconnect();
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Prints:

2005-9-10, 0:0:16 GMT, Someoneg@aol.com, Fw: Hey Ugly line expansion a
+nd re-offer, EX:/O=org/OU=Site/CN=RECIPIENTS/CN=Auser, 
2005-9-10, 0:0:16 GMT, c1r3ai4g@aol.com, Fw: Hey Ugly line expansion a
+nd re-offer, -, 
2005-9-10, 0:0:16 GMT, c1r3ai4g@aol.com, Fw: Hey Ugly line expansion a
+nd re-offer, -, 
2005-9-10, 0:0:16 GMT, c1r3ai4g@aol.com, Fw: Hey Ugly line expansion a
+nd re-offer, -, 
2005-9-10, 0:0:17 GMT, c1r3ai4g@aol.com, Fw: Hey Ugly line expansion a
+nd re-offer, Auser@Domain.name, 
2005-9-10, 0:0:17 GMT, c1r3ai4g@aol.com, Fw: Hey Ugly line expansion a
+nd re-offer, Auser@Domain.name,
[download]

Perl is Huffman encoded by design.

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