Hi everybody:
I try to print in new file selected lines from another file wich depends on the first column.
I have done a script like this:
lines=( "1" "2" "3" "4" "5" "6" "7" "8" "9" "10" "11" "21" "31" "41" "51" "55" "57" "58" )
${lines}
for lines in ${lines}
do
awk -v ... (6 Replies)
I have learned file comparison from my previous post here. Then, it is comparing the whole line. Now, i have a new problem.
I have two files with 3 columns separated with a "|". What i want to do is to compare the second and third column of file 1, and the second and third column of file 2. And... (4 Replies)
how can i reverse the line order in text files?
(but total number of the lines is not constant )
for example i have a file like this:
line1
line2
line3
.
.
lineN
i wantto make it like this:
lineN
.
.
.
line3 (26 Replies)
My script(3 arguments $1 = folder,$2 extension,$3 string) should do the following things:
-Enter in the folder of $1(if exists).
-Put ls *.$2 > temp.txt ( I use a temp file to store the result of ls command and if $2 = txt in this file I'll have all the .txt files of the folder)
-Now I want to... (2 Replies)
I am trying to print 1st, 2nd, 13th and 14th fields of a file of line numbers from 29 to 10029. I dont know how to put this in one code. Currently I am removing the selected lines by
awk 'NR==29,NR==10029' File1 > File2
and then doing
awk '{print $1, $2, $13, $14}' File2 > File3
Can... (3 Replies)
Hi all,
I have a question for the Gurus. I apologize if this has bee shared before but I couldn't find the link.
I am trying to read parameters from an external parameter file. What I m trying to achieve is read selected lines from an external parameter file into the script. for eg my param... (4 Replies)
Hello,
I am using Awk in Ubuntu 12.04
First file: I have a file like this:
SNP1 1 198.2
SNP2 1 124.5
SNP3 1 124.4
.
.
.
Second file: I have another file like this:
SNP2
SNP5
SNP10
.
.
.
I want to create a third file like my first file but keeping ONLY the SNPs that... (8 Replies)
Hi Guys ,
I have two files say a1 and a2 having following contents
a1
dag
wfd
a2
dag
wfd
chire
hcm
I want to delete only the lines in a2 which are in a1 and final output of a2 should be
a2
chire
hcm (6 Replies)
I want to print only the lines in file2 that match file1, in the same order as they appear in file 1
file1
file2
desired output:
I'm getting the lines to match
awk 'FNR==NR {a++}; FNR!=NR && a' file1 file2
but they are in sorted order, which is not what I want:
Can anyone... (4 Replies)
Hi,
I need help on a complicated file that I am working on. I wanted to extract important info from a very huge file. It is space delimited file. I have hundred thousands of records in this file. An example content of the inputfile as below:-
##
ID Ser402 Old; 23... (2 Replies)
Discussion started by: redse171
2 Replies
LEARN ABOUT CENTOS
grep-changelog
grep-changelog(1) General Commands Manual grep-changelog(1)NAME
grep-changelog - print ChangeLog entries matching criteria
SYNOPSIS
grep-changelog [options] [CHANGELOG...]
DESCRIPTION
grep-changelog searches the named CHANGELOGs (by default files matching the regular expressions ChangeLog and ChangeLog.[0-9]+) for
entries matching the specified criteria. At least one option or file must be specified. This program is distributed with GNU Emacs.
OPTIONS
The program accepts unambiguous abbreviations for option names.
--author=AUTHOR
Print entries whose author matches regular expression AUTHOR.
--text=TEXT
Print entries whose text matches regular expression TEXT.
--exclude=TEXT
Exclude entries matching regular expression TEXT.
--from-date=YYYY-MM-DD
Only consider entries made on or after the given date. ChangeLog date entries not in the "YYYY-MM-DD" format are never matched.
--to-date=YYYY-MM-DD
Only consider entries made on or before the given date.
--rcs-log
Print output in a format suitable for RCS log entries. This format removes author lines, leading spaces, and file names.
--with-date
In RCS log format, print short dates.
--reverse
Show matches in reverse order.
--version
Display version information.
--help Display basic usage information.
COPYING
Copyright (C) 2008-2013 Free Software Foundation, Inc.
Permission is granted to make and distribute verbatim copies of this document provided the copyright notice and this permission notice are
preserved on all copies.
Permission is granted to copy and distribute modified versions of this document under the conditions for verbatim copying, provided that
the entire resulting derived work is distributed under the terms of a permission notice identical to this one.
Permission is granted to copy and distribute translations of this document into another language, under the above conditions for modified
versions, except that this permission notice may be stated in a translation approved by the Free Software Foundation.
grep-changelog(1)
08-04-2011
