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Full Discussion: Grep by column-Please help!
Top Forums UNIX for Dummies Questions & Answers Grep by column-Please help! Post 302071432 by x96riley3 on Wednesday 19th of April 2006 12:33:43 PM
Old 04-19-2006
Here is a PERL way. It's not simple but it's fast.

Code:
#!/usr/bin/perl

open(F,"/tmp/input") || die "Can't open /tmp/input $!\n";
while(<F>){
    ($COL1,$COL2,$COL3,$COL4,$COL5,$COL6,$COL7,$COL8,$COL9,$COL10)   = split(/,/);
if ( $COL6 == "52" ) {
    print "$COL6\n";
} else {
    print "52 not found\n";
       }
}

-X

 

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Explode(3pm)						User Contributed Perl Documentation					      Explode(3pm)

NAME
MIME::Explode - Perl extension for explode MIME messages SYNOPSIS
use MIME::Explode; my $explode = MIME::Explode->new( output_dir => "tmp", mkdir => 0755, decode_subject => 1, check_content_type => 1, content_types => ["image/gif", "image/jpeg", "image/bmp"], types_action => "exclude" ); print "Number of messages: ", $explode->nmsgs, " "; open(MAIL, "<file.mbox") or die("Couldn't open file.mbox for reading: $! "); open(OUTPUT, ">file.tmp") or die("Couldn't open file.tmp for writing: $! "); my $headers = $explode->parse(*MAIL, *OUTPUT); close(OUTPUT); close(MAIL); for my $part (sort{ $a cmp $b } keys(%{$headers})) { for my $k (keys(%{$headers->{$part}})) { if(ref($headers->{$part}->{$k}) eq "ARRAY") { for my $i (0 .. $#{$headers->{$part}->{$k}}) { print "$part => $k => $i => ", $headers->{$part}->{$k}->[$i], " "; } } elsif(ref($headers->{$part}->{$k}) eq "HASH") { for my $ks (keys(%{$headers->{$part}->{$k}})) { if(ref($headers->{$part}->{$k}->{$ks}) eq "ARRAY") { print "$part => $k => $ks => ", join(($ks eq "charset") ? " " : "", @{$headers->{$part}->{$k}->{$ks}}), " "; } else { print "$part => $k => $ks => ", $headers->{$part}->{$k}->{$ks}, " "; } print "$part => $k => $ks => ", $headers->{$part}->{$k}->{$ks}, " "; } } else { print "$part => $k => ", $headers->{$part}->{$k}, " "; } } } if(my $e = $explode->clean_all()) { print "Error: $e "; } DESCRIPTION
MIME::Explode is perl module for parsing and decoding single or multipart MIME messages, and outputting its decoded components to a given directory ie, this module is designed to allows users to extract the attached files out of a MIME encoded email messages or mailboxes. METHODS
new([, OPTION ...]) This method create a new MIME::Explode object. The following keys are available: output_dir Directory where the decoded files are placed mkdir => octal_number If the value is set to octal number then make the output_dir directory (example: mkdir => 0755). check_content_type => 0 or 1 If the value is set to 1 the content-type of file is checked decode_subject => 0 or 1 If the value is set to 1 then the subject is decoded into a list. $header->{'0.0'}->{subject}->{value} = [ARRAYREF]; $header->{'0.0'}->{subject}->{charset} = [ARRAYREF]; $subject = join("", @{$header->{'0.0'}->{subject}->{value}}); exclude_types => [ARRAYREF] Not save files with specified content types (deprecated in next versions) content_types => [ARRAYREF] Array reference with content types for "include" or "exclude" types_action => "include" or "exclude" If the action is a "include", all attached files with specified content types are saved but if the action is a "exclude", no files are saved except if its in the array of content types. If no array is specified, but the action is a "include", all attached files are saved, otherwise all files are removed if action is a "exclude". The default action is "include". parse(FILEHANDLE, FILEHANDLE) This method parse the stream and splits it into its component entities. This method return a hash reference with all parts. The FILEHANDLE should be a reference to a GLOB. The second argument is optional. nmsgs Returns the number of parsed messages. clean_all Cleans all files from the "output_dir" directory and then removes the directory. If an error happens returns it. AUTHOR
Henrique Dias <henrique.ribeiro.dias@gmail.com> CREDITS
Thanks to Rui Castro for the revision. SEE ALSO
MIME::Tools, perl(1). perl v5.14.2 2011-06-26 Explode(3pm)
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