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How to find a string in a line in UNIX file and delete that line and previous 3 lines ?
Post 302901930 by Scrutinizer on Friday 16th of May 2014 01:22:13 PM
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1. Shell Programming and Scripting
Hi,
Unlike the GNU version, grep on SunOS doesn't have the switches -B and -A to fetch me the lines before n after the match and looking for an alternate way.
Any Suggestions?.
-Anduzzi (1 Reply)
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2. Shell Programming and Scripting
Hello,
Can anybody help me to correct my sed syntax to find the string and print previous two lines and current line and next one line.
i am using string as "testing"
netstat -v | sed -n -e '/test/{x;2!p;g;$!N;p;D;}' -e h
i am able to get the previous line current line next line but... (1 Reply)
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3. Shell Programming and Scripting
Hi,
I would like to know how to solve one of my problems using expert unix commands.
I have a file with occasional blank lines;
for example;
dertu
frthu
fghtu
frtty
frtgy
frgtui
frgtu
ghrye
frhutp
frjuf
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4. Shell Programming and Scripting
Hi guys,
i have the follow problem i need to delete 10 row before the pattern and 1 after and the pattern row itself.
file looks like:
frect 9.8438 25.8681 10.625 25
. dynprop \
(# \
(call fox_execute(__self))) \
(FOX_VAR_29 \
... (4 Replies)
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5. Shell Programming and Scripting
Hi,
1_strings file contains
$ cat 1_strings
/home/$USER/Src
/home/Valid
/home/Review$ cat myxml
<projected value="some string" path="/home/$USER/Src">
<input 1/>
<estimate value/>
<somestring/>
</projected>
<few more lines >
<projected value="some string" path="/home/$USER/check">... (4 Replies)
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6. Shell Programming and Scripting
Hi folks,
I've list of LDAP records in this format:
cat cmmac.export.tmp2
dn: deviceId=0a92746a54tbmd34b05758900131136a506,ou=devices,ou=customer,ou=nl,o=upc
cmmac: 00:13:11:36:a5:06
dn: deviceId=0a92746a62pbms4662299650015961cfa23,ou=devices,ou=customer,ou=nl,o=upc
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7. Shell Programming and Scripting
All,
I am trying to read in a variable and search a file then delete based on that string, but i want to match exact word.
This works but it matches all, i don't want to match anthing that contains the string, just the exact string.
sed -i "/$feedname/d" file
I tried
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8. Shell Programming and Scripting
I want to remove commands having no output. In below text file.
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grpg10so>show trunk group all status
grpg11so>show trunk group all status
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9. Shell Programming and Scripting
Shell : bash
OS : RHEL 6.8
I have a file like below.
$ cat pattern.txt
hello
txt1
txt2
txt3
some other text
txt4
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10. Shell Programming and Scripting
Hello,
When my lines contain question mark, I use below command to delete the portion of the matching line coming after question mark:
sed 's/?.*//' SampleFile
SampleFile:
helloworldfirstline?mdksmyymsss
hellosecondlineworld?mdksmkkmsss
thirdhelloworld?mdksmccmsss
Output:... (2 Replies)
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LEARN ABOUT CENTOS
mail::field::generic
Mail::Field::Generic(3) User Contributed Perl Documentation Mail::Field::Generic(3) NAME
Mail::Field::Generic - implementation for inspecific fields INHERITANCE
Mail::Field::Generic is a Mail::Field SYNOPSIS
use Mail::Field; my $field = Mail::Field->new('Subject', 'some subject text'); my $field = Mail::Field->new(subject => 'some subject text'); DESCRIPTION
A generic implementation for header fields without own implementation. This is fine for fields like "Subject", "X-Mailer", etc., where the field holds only a string of no particular importance/format. METHODS
Constructors Mail::Field::Generic->combine(FIELDS) See "Constructors" in Mail::Field Mail::Field::Generic->extract(TAG, HEAD [, INDEX ]) See "Constructors" in Mail::Field Mail::Field::Generic->new(TAG [, STRING | OPTIONS]) See "Constructors" in Mail::Field "Fake" constructors $obj->create(OPTIONS) -Option--Default Text '' Text => STRING $obj->parse([STRING]) Set the new text, which is empty when no STRING is provided. Accessors $obj->set(OPTIONS) See "Accessors" in Mail::Field $obj->stringify() See "Accessors" in Mail::Field $obj->tag() Mail::Field::Generic->tag() See "Accessors" in Mail::Field Smart accessors $obj->text([STRING]) See "Smart accessors" in Mail::Field DIAGNOSTICS
Error: Undefined subroutine <method> called Mail::Field objects use autoloading to compile new functionality. Apparently, the mehod called is not implemented for the specific class of the field object. SEE ALSO
This module is part of the MailTools distribution, http://perl.overmeer.net/mailtools/. AUTHORS
The MailTools bundle was developed by Graham Barr. Later, Mark Overmeer took over maintenance without commitment to further development. Mail::Cap by Gisle Aas <aas@oslonett.no>. Mail::Field::AddrList by Peter Orbaek <poe@cit.dk>. Mail::Mailer and Mail::Send by Tim Bunce <Tim.Bunce@ig.co.uk>. For other contributors see ChangeLog. LICENSE
Copyrights 1995-2000 Graham Barr <gbarr@pobox.com> and 2001-2007 Mark Overmeer <perl@overmeer.net>. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. See http://www.perl.com/perl/misc/Artistic.html perl v5.16.3 2012-12-21 Mail::Field::Generic(3)