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 ?
Code:
Field 004 000000000100
Field 007 1125112233
Field 102 7000005253
Field 039 00
Field 004 000000000100
Field 007 1125112233
Field 102 7000005253
Field 039 91
Field 004 000000000100
Field 007 1125112233
Field 102 7000005253
Field 039 00
Field 004 000000000100
Field 007 1125112233
Field 102 7000005253
Field 039 91
Field 004 000000000100
Field 007 1125112233
Field 102 7000005253
Field 039 00
Field 004 000000000100
Field 007 1125112233
Field 102 7000005253
Field 039 00
Field 004 000000000100
Field 007 1125112233
Field 102 7000005253
Field 039 00
Field 004 000000000100
Field 007 1125112233
Field 102 7000005253
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.
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-Anduzzi (1 Reply)
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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;
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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 \
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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.
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grpg10so>show trunk group all status
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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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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
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Discussion started by: baris35
2 Replies
LEARN ABOUT DEBIAN
validation::class::field
Validation::Class::Field(3pm) User Contributed Perl Documentation Validation::Class::Field(3pm)NAME
Validation::Class::Field - Field Object for Validation::Class Classes
VERSION
version 7.70
SYNOPSIS
package SomeClass;
use Validation::Class;
package main;
my $class = SomeClass->new;
...
my $field = $class->get_field('some_field_name');
$field->apply_filters;
$field->validate; # validate this only
$field->errors->count; # field-level errors
1;
DESCRIPTION
Validation::Class::Field is responsible for field data handling in Validation::Class derived classes, performs functions at the field-level
only.
This class automatically creates attributes for all acceptable field directives as listed under "DIRECTIVES" in
Validation::Class::Prototype.
ATTRIBUTES
errors
The errors attribute is a Validation::Class::Errors object.
METHODS
new
my $self = Validation::Class::Field->new({
name => 'some_field_name'
});
AUTHOR
Al Newkirk <anewkirk@ana.io>
COPYRIGHT AND LICENSE
This software is copyright (c) 2011 by Al Newkirk.
This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.
perl v5.14.2 2012-06-28 Validation::Class::Field(3pm)