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Full Discussion: Help Needed in SED
Top Forums Shell Programming and Scripting Help Needed in SED Post 302182046 by raghav1982 on Saturday 5th of April 2008 01:25:31 AM
Old 04-05-2008
Help Needed in SED

Hi All ,

I have a input file which has set of lines like this ::

cat a.txt

unix1 djkdfkjdkkdfkdjfdfkjd 09191091 unix@unix.com <2008-23-07>
unix 2 dfdfdfdfdfdfdfdfdfd

unix3 dfldfljdflkjdfldfkljdfldjfl 0565606 unix1@unix.com <2008-10-09>
unix4 dfdlfndfldflnlffddfd

for some reason when i execute the SED command to bring it to single line , the code works partially

sed '=' a.txt | \
sed '{
N
s/\n/ /
}' a.txt > b.txt


the output is like this ::

unix1 djkdfkjdkkdfkdjfdfkjd 09191091 unix@unix.com <2008-23-07> unix 2 dfdfdf
dfdfdfdfdfdfd
unix3 dfldfljdflkjdfldfkljdfldjfl 0565606 unix1@unix.com <2008-10-09>
~

can you help me how to bring all those lines into single lines my output should be something like this :::


unix1 and unix2 shoule be in a single line
unix1 djkdfkjdkkdfkdjfdfkjd 09191091 unix@unix.com <2008-23-07> unix 2 dfdfdfdfdfdfdfdfdfd

and unix3 and unix4 should be in single line :::


unix3 dfldfljdflkjdfldfkljdfldjfl 0565606 unix1@unix.com <2008-10-09> unix4 dfdlfndfldflnlffddfd
 

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WWW::Topica::Reply(3pm) 				User Contributed Perl Documentation				   WWW::Topica::Reply(3pm)

NAME
WWW::Topica::Index - parse a single Topic mailing list index SYNOPSIS
my $index = WWW::Topic::Index->new($index_html); foreach my $message_id ($index->message_ids) { # the mail has some information and also provides a link to the reply ... my $mail = WWW::Topica::Mail->new($topica->fetch_mail($mess_id), $mess_id); # which has other information (like the un-htmled mail and the email address) ... my $reply = WWW::Topica::Reply->new($topica->fetch_reply($mail->id, $mail->eto), $mail->id, $mail->eto); } print "Next offset is ".$index->next." "; print "Previous offset is ".$index->prev." "; DESCRIPTION
Used to parse a single reply page from Topica.com's mailing list indexes. Reply pages have the body of the email (albeit quoted) and potentially a full email address. METHODS
new <page html> <message id> <eto> Takes the html of the page, the eto and the message-id and parses the html. parse <html> Parse the html to get the subject, email address and body of the email. id Get the message id eto Get the message eto email Get the email address parsed out. subject Get the email subject parsed out. body Get the email body parsed out. AUTHOR
Simon Wistow <simon@thegestalt.org> COPYRIGHT
Copyright (c) 2004, Simon Wistow perl v5.10.1 2006-01-03 WWW::Topica::Reply(3pm)
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