Hi all
I need to strip blank lines from the end of a file. I have searched and found topics on how to strip lines from the entirety of a file - however I need to limit this to only the last 3-4 lines.
Any ideas?
Thanks (4 Replies)
Hi Guys, :D
I am very much new to UNIX. I dont have much basics of coding in UNIX, so please help me out of thi ssituation.
I have a file say for ex: ABC.dtd and it contains "|" delimited data as
test1|testing|test3|moving
past1|runing|test4|going
I need to add a column at the end... (6 Replies)
I have a file that contains the following lines
the brown quick fox
jumped over
the white laze dog
0123456789
I wanted to put the contents of this file into a variable so I used this code:
VAR_LIST=`cat $2`
where $2 is the file name passed as an argument to the script
If I... (3 Replies)
Hello, I have a script that generates the following file named /tmp/rfkill:
rf55 pts/13 Jul 10 06:38 (10.72.11.44)
15782 pts/13 5:07 b
rf56 pts/15 Jul 10 06:53 (10.72.11.9)
18552 pts/15 0:28 b
rf55 pts/39 Jul 10 09:12 (10.72.11.44)
19354 pts/39... (4 Replies)
Hi all,
I have a file which contains comments,dotted lines(-------),actual records etc.I need to fetch only the actual records and put into a new file neglecting/deleting other rows.I have a header record too which contains the column names for the actual records.i need to discard this too.how... (5 Replies)
My input file is multiline file and I am writing a script to search for a pattern and move the line with the pattern and the next line to the end of the file. Since I am trying to learn awk, I thought I would try it.
My input looks like the following:
D #testpoint 1
510.0
D #testpoint2 ... (5 Replies)
Hello,
Is there any way in awk to put every line of a file in an array and so we can like this print the line we want.
For example, if we have this file
aaa eee
bbb fff
ccc ggg
ddd hhh
So we can print to the output the 3rd line only
ccc ggg
If it is possible, please put the... (7 Replies)
I have a text file with two coulmn
first column is just used in to show the line number, these line number are not there in the real file.
I want to delete the line 16(in this file) here, even tough there is no data inside it . this empty line is causing me a problem by throwing me garbage... (12 Replies)
Hi Guys,
I have a quetion which was already discussed in the forum, but for some reason all approches suggested fail for me.
I have a file which have blank lines at the body of the text as well as at the end. I need to delete ONLY blank lines at the end. Unfortunatly the approach below does not... (5 Replies)
Hello All,
this is my first post so I don't know if I am doing this right.
I would like to append entries from a series of strings (contained in a text file) consecutively at the end of specifically labeled lines in another file.
As an example:
- the file that contains the values to be... (3 Replies)
Discussion started by: gus74
3 Replies
LEARN ABOUT DEBIAN
ip2host
IP2HOST(1) User Contributed Perl Documentation IP2HOST(1)NAME
ip2host - Resolves IPs to hostnames in web server logs
SYNOPSIS
ip2host [OPTIONS] [cache_file] < infile > outfile
infile - Web server log file.
outfile - Same as input file, but with IPs resolved to hostnames.
Options:
--children=... Number of child processes to spawn (default: 40)
--timeout=... Seconds to wait on DNS response (default: 20)
--buffer=... Maximum number of log lines to keep in
memory (default: 50000)
--flush=... Number of lines to process before flushing
output buffer (default: 500)
--cache=... Filename to use as disk cache (default: none)
--ttl=... Number of seconds before IPs cached on disk are expired
(default: 604800 - One week)
DESCRIPTION
This is a faster, drop-in replacement for the logresolve utility distributed with the Apache web server.
It's been reported to work under Linux, FreeBSD, Solaris, Tru64, and IRIX.
AUTHOR
Maurice Aubrey <maurice.aubrey+ip2host@gmail.com>
Based on the logresolve.pl script by Rob Hartill.
COPYRIGHT
Copyright 1999-2007, Maurice Aubrey <maurice.aubrey+ip2host@gmail.com>.
This module is free software; you may redistribute it and/or modify it under the same terms as Perl itself.
README
Resolves IPs to hostnames in web server logs. This is a faster, drop-in replacement for the logresolve utility distributed with the Apache
web server.
SCRIPT CATEGORIES
Web
perl v5.14.2 2012-02-15 IP2HOST(1)