How to find a string in a line in UNIX file and delete that line and previous 3 lines ?
Hi ,
i have a file with data as below.This is same file. But actual file contains to many rows.
i want to search for a string "Field 039 00" and delete that line and previous 3 lines in that file.. Can some body suggested me how can i do using either sed or awk command ?
Thanks,
Venkat Vadlamudi.
Moderator's Comments:
Please use code tags next time for your code and data. Thanks
Last edited by vbe; 05-16-2014 at 10:27 AM..
Reason: code tags
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)
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;$!N;p;D;}' -e h
i am able to get the previous line current line next line but... (1 Reply)
Hi,
I would like to know how to solve one of my problems using expert unix commands.
I have a file with occasional blank lines;
for example;
dertu
frthu
fghtu
frtty
frtgy
frgtui
frgtu
ghrye
frhutp
frjuf
I need to edit the file so that the file looks like this; (10 Replies)
Hi guys,
i have the follow problem i need to delete 10 row before the pattern and 1 after and the pattern row itself.
file looks like:
frect 9.8438 25.8681 10.625 25
. dynprop \
(# \
(call fox_execute(__self))) \
(FOX_VAR_29 \
... (4 Replies)
Hi folks,
I've list of LDAP records in this format:
cat cmmac.export.tmp2
dn: deviceId=0a92746a54tbmd34b05758900131136a506,ou=devices,ou=customer,ou=nl,o=upc
cmmac: 00:13:11:36:a5:06
dn: deviceId=0a92746a62pbms4662299650015961cfa23,ou=devices,ou=customer,ou=nl,o=upc
cmmac:... (4 Replies)
All,
I am trying to read in a variable and search a file then delete based on that string, but i want to match exact word.
This works but it matches all, i don't want to match anthing that contains the string, just the exact string.
sed -i "/$feedname/d" file
I tried
sed... (1 Reply)
I want to remove commands having no output. In below text file.
bash-3.2$ cat abc_do_it.txt
grpg10so>show trunk group all status
grpg11so>show trunk group all status
grpg12so>show trunk group all status
GCPKNYAIGT73IMO 1440 1345 0 0 94 0 0 INSERVICE 93% 0%... (4 Replies)
Shell : bash
OS : RHEL 6.8
I have a file like below.
$ cat pattern.txt
hello
txt1
txt2
txt3
some other text
txt4
I want to remove all lines in this file except the ones starting with txt . How can I do this ? (4 Replies)
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)
Discussion started by: baris35
2 Replies
LEARN ABOUT OSX
mail::field::date
Mail::Field::Date(3) User Contributed Perl Documentation Mail::Field::Date(3)NAME
Mail::Field::Date - a date header field
INHERITANCE
Mail::Field::Date
is a Mail::Field
SYNOPSIS
use HTTP::Date 'time2iso';
my $field = Mail::Field->new(Date => time2iso());
DESCRIPTION
Represents one "Date" header field.
METHODS
Constructors
Mail::Field::Date->combine(FIELDS)
See "Constructors" in Mail::Field
Mail::Field::Date->extract(TAG, HEAD [, INDEX ])
See "Constructors" in Mail::Field
Mail::Field::Date->new(TAG [, STRING | OPTIONS])
See "Constructors" in Mail::Field
"Fake" constructors
$obj->create(OPTIONS)
See ""Fake" constructors" in Mail::Field
$obj->parse()
See ""Fake" constructors" in Mail::Field
Accessors
$obj->set(OPTIONS)
-Option --Default
Time undef
TimeStr undef
Time => SECONDS
TimeStr => STRING
A string acceptable to Date::Parse.
$obj->stringify()
See "Accessors" in Mail::Field
$obj->tag()
Mail::Field::Date->tag()
See "Accessors" in Mail::Field
Smart accessors
$obj->text([STRING])
See "Smart accessors" in Mail::Field
$obj->time([TIME])
Query (or change) the TIME (as stored in the field) in seconds.
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 v5.16.2 2012-08-29 Mail::Field::Date(3)