Sponsored Content
Full Discussion: help with unix command
Top Forums Shell Programming and Scripting help with unix command Post 302597716 by knijjar on Saturday 11th of February 2012 04:45:03 PM
Old 02-11-2012
help with unix command

I have a file with the following content. It has an ip address with some information

111.111.111.111 hostname
hostname
222.222.222.222 hostname1
hostname1
333.333.333.333 hostname3

444.444.444.444 hostname4
hostname4
555.555.555.555 hostname5

666.666.666.666 hostname6

777.777.777.777 hostname7
hostname7

I would like to find the ips that have a blank line followed by them

for example
my output should only show
333.333.333.333 hostname3
555.555.555.555 hostname5
666.666.666.666 hostname6

So if a line is followed by a blank line I want to copy that line into a file.
 

9 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

wc command help.... and other unix command....... urgent

hi all. thanks for looking i am doing some homework. one question is that when type wc and then how to tell the program that we have finished entering data? also why do some operating systems report 22 as the number of bytes in the file above, while others only 20? thanks so much,... (1 Reply)
Discussion started by: dashi2k
1 Replies

2. Shell Programming and Scripting

How to use more than one MPE command STREAM with Unix command in a single shell?

Hello, I have problem in writing the shell script involving MPE command STREAM related to HP-UX and Unix command. Script is sh "nlshCMD 'STREAM <job name1>' | 'SHOWJOB' | grep $HPJOBNUM" sh "nlshCMD 'STREAM <job name2>' | 'SHOWJOB' | grep $HPJOBNUM" sh "nlshCMD 'STREAM <job name3>' |... (0 Replies)
Discussion started by: bosskr
0 Replies

3. HP-UX

How to use more than one MPE command STREAM with Unix command in a single shell?

Hello, I have problem in writing the shell script involving MPE command STREAM related to HP-UX and Unix command. Script is sh "nlshCMD 'STREAM <job name1>' | 'SHOWJOB' | grep $HPJOBNUM" sh "nlshCMD 'STREAM <job name2>' | 'SHOWJOB' | grep $HPJOBNUM" sh "nlshCMD 'STREAM <job name3>' |... (1 Reply)
Discussion started by: bosskr
1 Replies

4. Shell Programming and Scripting

assign a command line argument and a unix command to awk variables

Hi , I have a piece of code ...wherein I need to assign the following ... 1) A command line argument to a variable e.g origCount=ARGV 2) A unix command to a variable e.g result=`wc -l testFile.txt` in my awk shell script When I do this : print "origCount" origCount --> I get the... (0 Replies)
Discussion started by: sweta_doshi
0 Replies

5. UNIX for Advanced & Expert Users

unix command : how to insert text at the cursor location via command line?

Hi, Well my title isn't very clear I think. So to understand my goal: I have a script "test1" #!/bin/bash xvkbd -text blabla with xbindkeys, I bind F5 key in order it runs my test1 script So when I press F5, test1 runs. I'm under Emacs/Vi and I press F5 in order to have "blabla" be... (0 Replies)
Discussion started by: xib.be
0 Replies

6. UNIX for Dummies Questions & Answers

New to Unix command line and have a question about the "sort" command

I am going through the Unix Made Easy second edition book by John Muster. So far it's been very informative and I can tell it may be a bit out of date. In one of the exercises it talks about the "sort" command and using it to sort column's of data etc. The "sort" command has changed a bit and... (1 Reply)
Discussion started by: budfoxcat
1 Replies

7. UNIX Desktop Questions & Answers

Can Unix access Windows' File through Command Prompt in Unix

Hi all, I wish to know whether Unix can access window's file in Unix's terminal? Apart from that, how to copy files or share files between Window and Unix? I get to know of secure copy, however, my company's Unix does not support the feature of secure copy? Any other method for me to share/... (5 Replies)
Discussion started by: jessy83
5 Replies

8. Shell Programming and Scripting

Specify an entire UNIX command as a command line argument

I'm trying to write a bash script called YN that looks like the following YN "Specify a question" "doThis" "doThat" where "doThis" will be executed if the answer is "y", otherwise "doThat". For example YN "Do you want to list the file dog?" "ls -al dog" "" Here's my attempt... (3 Replies)
Discussion started by: LeoKSimon
3 Replies

9. Shell Programming and Scripting

UNIX command to copy files from Windows to UNIX box

Hi Folks, I have a file name abc.xml in my windows machine at the location c:\ytr\abc.xml which I want to place at the unix box machine inside cde directory.. at the following location that is /opt/app/cde/ now the credentials of unix box are abc345 -->(dummyid) ftyiu88--->(dummy passwd) ... (4 Replies)
Discussion started by: punpun66
4 Replies
Quote(3pm)						User Contributed Perl Documentation						Quote(3pm)

NAME
XML::Quote - XML quote/dequote functions SYNOPSIS
use strict; use XML::Quote qw(:all); my $str=q{666 > 444 & "apple" < 'earth'}; print xml_quote($str)," "; # 666 &gt; 444 &amp; &quot;apple&quot; &lt; &apos;earth&apos; my $str2=q{666 &gt; 444 &amp; &quot;apple&quot; &lt; &apos;earth&apos;}; print xml_dequote($str2)," "; # 666 > 444 & "apple" < 'earth' my $str3=q{666 > 444 & "apple" < 'earth'}; print xml_quote_min($str3)," "; # 666 > 444 &amp; &quot;apple&quot; &lt; 'earth' DESCRIPTION
This module provides functions to quote/dequote strings in "xml"-way. All functions are written in XS and are very fast; they correctly process utf8, tied, overloaded variables and all the rest of perl "magic". FUNCTIONS
$quoted = xml_quote($str); This function replaces all occurences of symbols '&', '"', ''', '>', '<' to '&amp;', '&quot;', '&apos;', '&gt;', '&lt;' respectively. Returns quoted string or undef if $str is undef. $dequoted = xml_dequote($str); This function replaces all occurences of '&amp;', '&quot;', '&apos;', '&gt;', '&lt;' to '&', '"', ''', '>', '<' respectively. All other entities (for example &nbsp;) will not be touched. Returns dequoted string or undef if $str is undef. $quoted = xml_quote_min($str); This function replaces all occurences of symbols '&', '"', '<' to '&amp;', '&quot;', '&lt;' respectively. Symbols ''' and '>' are not replaced. Returns quoted string or undef if $str is undef. EXPORT
xml_quote(), xml_dequote() are exported as default. PERFORMANCE
You can use t/benchmark.pl to test the perfomance. Here is the result on my P4 box. Benchmark: timing 1000000 iterations of perl quote, xs quote... perl quote: 108 wallclock secs (88.08 usr + 0.01 sys = 88.09 CPU) @ 11351.64/s (n=1000000) xs quote: 20 wallclock secs (16.78 usr + 0.00 sys = 16.78 CPU) @ 59591.20/s (n=1000000) Benchmark: timing 1000000 iterations of perl dequote, xs dequote... perl dequote: 106 wallclock secs (85.22 usr + 0.09 sys = 85.31 CPU) @ 11721.54/s (n=1000000) xs dequote: 19 wallclock secs (15.92 usr + 0.02 sys = 15.94 CPU) @ 62743.13/s (n=1000000) AUTHOR
Sergey Skvortsov <skv@protey.ru> SEE ALSO
http://www.w3.org/TR/REC-xml <http://www.w3.org/TR/REC-xml>, perlre COPYRIGHT
Copyright 2003 Sergey Skvortsov <skv@protey.ru>. All rights reserved. This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.14.2 2008-06-26 Quote(3pm)
All times are GMT -4. The time now is 09:36 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy