CentOS 5 :: Grep The Line And Pipe That Into The Sed?

Sep 22, 2010

I need to simply replace a 2 lines, or one and I'll run each command separately, in a eps file. I know I can grep the line and pipe that into the sed but I would like to keep this in a sed command. I can use sed /s and get it if I copy the section out of the file and paste it. Really just trying to rewrite the boundingbox coord's in eps files.

sed -i 's/%%BoundingBox: 00 00 88 487/%%BoundingBox: 24 315 288 487/g;s/%%HiResBoundingBox: 00 00 88 487/%%HiResBoundingBox: 26 315 288 487/g' someeps.eps

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General :: Read File And Pipe To Grep

May 26, 2011

I'm storing a list of strings in a file and would like to read the file and pipe each line returned to grep which in turn searches a directory for files containing the string.However this is not returning any output.

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General :: Getting The Line Of String From Previous Pipe Output By Line Number?

Feb 8, 2010

After running the following command, I get:

[root@yukiko /]# find / -iname .bashrc
/home/clamav/.bashrc
/home/vpopmail/.bashrc
/etc/skel/.bashrc
/root/.bashrc

But I would like to have a command that prints a specific line by supplying the command with the line number, for example:

[root@yukiko /]# find / -iname .bashrc | getline(2)
/home/vpopmail/.bashrc

Is there such a command on CentOS?

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Software :: Grep Query To List 1 Line (which Is Fixed) And The Next Line After It (variable Text)

Jan 20, 2011

How can I list the following with grep. I want to extract 2 lines fron a text file The fixed known part if it exists will static text and the text line after it will change.

A sample file
.
.
textline1

[code]....

If the fixed part does Not exist how can I return error code 1

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General :: Grep Lines Containing A Certain String PLUS The Line Following That Line?

Sep 1, 2009

I have a dataset (see example below) that I would like to go through and copy all lines containing a certain string ("LGIG") plus the line immediately following that line to a new file. I have no problem grepping lines containing the string LGIG but I'm lost how to translate that to line number and shift up one line number for each instance of that string.

Example input file:

[code].....

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Programming :: Move Line Of Pipe Delimited Flat File If Field 27 = Sold?

Sep 26, 2010

I have a pipe delimited flat file, field 27 is price. I would like to move items marked sold to a new file every couple months.

awk -F"|" '$27 == "SOLD" {print $0}' awktest2.data >> awkout2.data

Allows me to write line to new file but I need to delete the original line, I also want to make sold case insensitive tried [Ss][Oo] with no luck

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General :: Get A Word From A Line Using Sed Or Grep

Mar 30, 2010

I am trying to get a word from a line using sed. Following is the line which I want to use.

inet addr:10.245.86.15 Bcast:10.245.87.255 Mask:255.255.254.0 inet6 addr: fe80::1031:3dff:fe01:55e1/64 Scope:Link

From the above line, I need the ip address like 10.245.86.15 only.

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Red Hat :: Grep Array Add To End Of Line If True?

Jan 27, 2011

I want to add to the end of a line for a file that has the /usr/X11R6/bin/X in it. The /usr/X11R6/bin/X is not at the end of each line. I need to add "-nolisten tcp" to the end of each line containing the the /usr/X11R6/bin/X string.how can this be done in a script?

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Programming :: Handle A Broken Pipe Exception (SIGPIPE) In FIFO Pipe?

Mar 2, 2011

I've written a simple server in linux used fork to create a FIFO pipe.The server create two FIFO pipe.One for server read data from client and write data to client.Then another pipe for client read data from server and write data to server.When the server read data from a client used server-pipe and then write data to client.But ,if the client no read open the pipe,the server side write will be crashed because of a broken-pipe SIGPIPE. How to check whether the read side is opened?Or,how to catch the SIGPIPE,and then my server will still execute on,not crashed!!

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General :: Command To Grep Complete Line

May 11, 2011

cat filename| awk '{print $3}' | cut -c -3 | cut -c 2- | grep 66

this returns the lines containing "66" at 2nd 2 characters of 3rd column of a line, now i need complete lines for this, how can i do it?

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Ubuntu :: Wildcard In Sed&grep That Includes Line Endings?

Dec 21, 2010

Here's my current regular expression(used in sed):sed 's///!Start.*//!End//g' in > outThe only problem being that the wildcard . does not work across multiple lines,

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General :: Grep Command - Show The Files But Not The Line Count

Oct 31, 2010

This has to also show the line count. I can get it to show the files but not the line count. What is the single command used to identify only the matching count of all lines within files under the /etc directory that contain the word ‚ÄěHOST? List only the files with matches and suppress any error messages.

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General :: Using Grep To Remove Line And Write Back To Same File?

Feb 10, 2010

remove a line starting with specific word with grep. Here is what I found

grep -v '^cc$' data.txt

Here I remove all lines with on 'cc' in that line. But I want the result write back to data.txt

I try several ways

grep -v '^cc$' data.txt > output.txt # works but to another file
echo `grep -v '^cc$' data.txt` > data.txt # didn't work, all carets gone, become one line
grep -v '^cc$' data.txt > data.txt # data.txt is empty after running this

How can I save the result of grep to the input file?

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Networking :: PING - Pipe 2 Versus Pipe 3

Apr 10, 2009

I'm doing ping between 2 RH servers through a VPN site2site tunnel and in some times I got in the result pipe 2 and another pipe 3 as I mark it in blue color below.

e.g.

64 bytes from 192.168.1.10: icmp_seq=0 ttl=128 time=0.229 ms
64 bytes from 192.168.1.10: icmp_seq=1 ttl=128 time=0.287 ms
64 bytes from 192.168.1.10: icmp_seq=2 ttl=128 time=0.278 ms

[code]....

What's the difference between pipe 2 and pipe 3 and what's the meaning of it?

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CentOS 5 :: Bash: /bin/grep: Cannot Execute Binary File CentOS 5.4

Jun 4, 2011

I am facing problem on executing commands like df -h,ls-l,grep etc in /bin.

it is showing below errors:--
----------------------------------------------------------------------------------
login as: root
root@220.226.102.217's password:
Last login: Sat Jun 4 11:14:20 2011 from 220.227.54.149
-bash: /bin/egrep: cannot execute binary file

[code]....

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CentOS 5 :: Bash Script Under Cron Produces Broken Pipe

Apr 20, 2011

I have script which does file locking via flock and then writing it's pid into that file. It perfectly works being run by hand in terminal, running under cron on Debian, but somehow fails being run under cron on Centos 5.6. Script part and straced outputs are below.

bash code:

#setting lock
mylog "setting lockfile $LOCKFILE"
exec 200<> $LOCKFILE

[code]....

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Programming :: Input File - Grep Within Grep

Nov 22, 2010

I need to kind of grep within grep. My input file would be something like:

[Code]....

and I need to find the first occurrence of hello before MY PATTERN (hello 9008 in this case), so the output should be:

[Code]....

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CentOS 5 :: CentOS Server Command Line Very Slow?

Jul 14, 2010

Anyone know why my fresh installation of centOS server is so slow? Seems like it takes over a minute to execute a command, im not doing anything complicated either. Secondly, how come at times when I type reboot the machine starts to beep, one long loud annoying beep.

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Programming :: Copy And Replacing Specific Line From File1 To File2 Line By Line

Mar 22, 2011

I have two files, file1.traj and file2.traj. Both these files contain identical data and the data are arranged in same format in them. The first line of both files is a comment.

At line 7843 of both files there is a cartesian coordinate X, Y and Z ( three digits ). And at line 15685 there is another three digits. The number of lines in between two cartesian coordinates are 7841. And there are few hundreds of thousands of lines in a file.

What I need to do is copy the X Y Z coordinate (three digits) from file1.traj at line 7843 and paste into file2.traj at the same line number as in file1.traj. The next line will be 15685 from file1.traj and replace at line 15685 at file2.traj. And I dont want other lines (data) in file2.traj get altered. This sequence shall be going on until the end of the file. Means copy and substitude the selected lines from file1.traj into file2.traj.

I tried to use paste command but I cant do for specified line alone.

Here i showed the data format in the file. I used the line number for clarity purpose.

Code:

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Programming :: Access A File Line By Line, And Check The Length Of Each Line.

Feb 13, 2011

I want to access a file, and check the length of every line.After, i want to check and replace all lines with length over 10 characters, with a message.Does anyone have a clue on that?

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Programming :: Compare Two Files Line By Line And Print The Line Which Is Same?

May 30, 2011

I am trying to write a program in C which compares two files and prints the line that is equal.

Here file1.txt has

and file2.txt has

Note: file2.txt consist of only a single string where as file2.txt has multiple lines. Actually im comparing two files with md5sum values.

Here is the code but it compares only first line of files..but it should compare the whole file1..and sorry iam a beginner in C can any1 sujest some modification to this code so that..it can compare file2 with entire file1

Quote:

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Programming :: Insert Line Using Sed Or Awk At Line Using Line Number As Variable

Jul 25, 2011

I want to insert a line at a particular line number using sed or awk. where line number is not fixed and is in form of variable.

I want to use variable in sed or awk command.I tried something like below, but no luck.

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Software :: Install On Centos From Command Line?

Mar 26, 2010

How to install software on centos from command line?

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CentOS 5 :: Battery Info Through Command Line?

Dec 16, 2009

I'm using CentOS 5.4 x86_64 on my Dell Inspiron 1440. Is there any way I can get information about the battery(charge) through command line without X server.

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CentOS 5 :: Setting YUM Priorities From Command Line?

Jul 14, 2010

I'm using several 3rd party repos for Centos - RPMforge, ATrpms, EPEL, REMI. Is there some way I can set the priorities for these repos in a bash script, using a YUM command? I cannot find anything in the YUM man page, or the yum-utils package.

Smart PM has a command to set channel priorities from the command line. Wondered if I can do the same for YUM repos?

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CentOS 5 :: How To Install Command Line Instead Of Desktop

Jul 27, 2010

Just got the new Dual Quad Server and after the installation was completed, It was the destkop edition... Can I get a reference on how to install the "Command Line Only" version of CentOS, OR Can I run the desktop edition and still be able to host VPS's and Web Servers, etc...

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CentOS 5 :: Command Line Formatting And Encryption?

Sep 8, 2010

As I recent convert from Ubuntu to Centos, I have a lot to learn. In Ubuntu, I can plug in a memory stick, run the menu option: System/Adminstration/Partition Manager, highlight the memory stick and choose "Format: Encrypt"

In Centos, my memory stick is /dev/sdc1, how do I, using command line: format it as /ext3, encrypt it using cryptsetup, and set a password?

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CentOS 5 :: Get Command Line But No GNOME On 5.6 New Install?

May 3, 2011

It's a new install on a laptop, it looks like it installs fine, however after a boot I get login & password prompt and command line. I did choose GNOME desktop during the install.I know I will have problems to get 1080p resolution with my Intel integrated card Ironlake but at least I expect to have GNOME with min resolution 800x600.

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CentOS 5 Server :: Setup Printer From Command Line?

Feb 24, 2009

I'm from a Solaris (printer.conf) background and having trouble setting up a printer on the network. My CentOS box does not have a GUI interface available. I have been playing with lpadmin trying to add a printer - which it did, but everything is disabled, and the "enable" command is not found on my machine.

How do I make a simple printer on my network talk to my centOS box?

Here's the printer.conf from a Solaris machine that works:

raphael:
:bsdaddr=igppps1,raphael,Solaris:
And the printers.conf from the CentOS box:
lumina# more printers.conf
# Printer configuration file for CUPS v1.2.4

[Code].....

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CentOS 5 :: Pidof: Invalid Options On Command Line?

Aug 19, 2009

when i show status ricci on centos5.3x86_64 #service ricci status pidof: invalid options on command line pidof: invalid options on command line p is stopped how can i fix that bug ?

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