General :: Use Grep To Search For Multiple Options?

May 20, 2010

How can I use grep to search for line with either 'res' or 'rep'? i try "grep -e res|rep" or gre -e "rep|rep" but that does not work.

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General :: Search For A String In A Php File Using `grep`?

Jan 19, 2010

I am searching for Class declaration on a site with hundreds of PHP files, how can I do this in the current folder and subfolders using GREP?

I tested cding to the folder and then something like

grep -r 'class MyClass' *.php

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General :: Search A Grep For A Magic Word?

Feb 16, 2011

I am using ascript for general users to back up usb drives to lto4 tapes.. I wish to ahve some error checking to check IF is there is a tape in the tape drive to check for the tape:

if i do a
sudo mt -f /dev/st0 status
i will get back a
mt: /dev/st0: rmtioctl failed: Input/output error
if there is no tape in the drive or
sudo mt -f /dev/st0 status

[code].....

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General :: Using Grep / Awk To Search For Colored Text

Sep 17, 2010

I have done a bunch of searches on this but the terms seem to get tangled in the more popular search of "colouring the output of grep / awk". I am trying to find a way to grep/awk through the output of a command to find text of a specific colour. The command's output has a range of colours signifying too many different things to specify using text, with colour being the only form of grouping.

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General :: GREP - Search Special Characters

Feb 10, 2010

I need to search for the following pattern with GREP in a text file:

So I tried already:

But none of those works...I think probably because GREP doens't like the special character > in the middle of the serach pattern.

At the end I just need to now if GREP found the pattern in the file or not, so it should give me a 0 or a 1 back, once I check the value of the variable "?" after using the grep command.

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General :: Simulate Ack By Using Grep With The Right Combination Of Options?

Aug 25, 2011

I have ack-grep installed on my local machine, and find it indispensable for quickly 'acking' through a codebase when debugging. However, on my cheap shared hosting, there is no ack-grep. One of the testimonials on betterthangrep.com mentions a

Rube Goldberg mess of find/grep/xargs which sounds like what I need, but coming from the opposite direction.

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General :: Correct Usage Of Grep To Search A Disk?

Mar 26, 2009

I've been trying to identify all files on my cut-down version of Damn Small which contain the text string "User Agent:" in them. Because it's only 120Mb in its entirety, I'm quite happy to have grep search the whole system. I'm using this command, but it just generates errors as you can see:

[root@localhost ~]# grep -R 'User Agent:' /*
grep: /dev/dri/card0: Invalid argument
grep: /dev/fuse: Operation not permitted

[code]....

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General :: Search Date Period In Access Log Using Grep ?

Feb 19, 2010

I have a three input day,month and year. Currently i am using the following script to take the data.

Any grep advanced technique to avoid for loop?

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General :: Search Multiple Words In Multiple Lines?

Dec 16, 2010

How to search multiple words in multiple lines, inside a directory including sub-directory? Pls. give easy example. I want to search the files (in /xx folder and all subfolders) that have header.h included and used x() function. I tried $grep -r "header.h" | grep -r "x(" /Folder/subfolder/ > search.log

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General :: How To Make Grep To Search A Pattern In Only Specific File Type?

Mar 6, 2010

To search a string pattern in all files in a directory and subdirectories, I am using;

Code:
grep -R "myclass::my-func(" mydirectory/
Now I want grep, to search in only specific file types say *.cc. Please help me. I have read manual of grep, but could not deduce any hint.
Best Regards.

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General :: Sed/awk/grep Search For Number String Of Variable Length In Text File?

Jan 19, 2010

I need to search a text file for a string of numbers which are different lengths, and always are between number=" and " like:

number="1234567890"
number="22390"

I need to grab those numbers and pipe each one to a line in a file. I've already tried something with awk and that didn't seem to work.

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General :: Excluding Multiple Patterns From Grep?

Dec 13, 2010

I have to write a script which would search the IP adesseses in a given directory.

Below is my command.

Code:

grep -HwrnI --exclude=*.log '[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}' *|grep -v '/.svn/'

I have to exclude the following from search resluts.

1. Comments

a. Can be starting with /, * or #...

b. Cane be between a line

EX: some text... #comment1

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General :: Use Grep To Match Multiple Lines?

Feb 3, 2011

I have done this before but i cant really recall now

I have a text file and i want to grep the word "interface" and 10 lines following it. I think there was some switch like grep -A or something ?

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General :: Grep Multiple Lines From A Text File

Jun 17, 2009

I have a list of words that I want to grep in many files to see which ones have it and which ones dont. in the text file I have all the words listed line by line, ex: list.txt:

check
try this
word1
word2
open space
list ..

I want to grep each line one by one. like I want it to

grep "check" *.log
grep "try this" *.log
grep "word1" *.log .. etc how can I do this?

and maybe write the output to a file.

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General :: Multiple Grep Outputs Appended To Single Row Of CSV File?

Sep 12, 2010

how to update a series of values from multiple grep commands outputs to be appended to a single row of a csv file? Work on a linux envir. The values from grep output will be numeric values.

Output sold look like:

1,3,4,5,7,0,5

Each of these values will be odtained from multiple grep commands piped with wc -l Is it possible to update a single row of a csv file if so pleas ehelp me with the command to be used to redirect the output into the csv file

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General :: Setting Multiple Switches In Grep - Bash Script ?

Feb 21, 2010

I'm working on setting multiple switches in grep.

Here's an example of how to run my script:

would (should) produce the results of this:

Right now i have some code to catch the inputs, using a variable "z":

Code:

Then:

Code:

I'm almost positive that the problem is in the bolded line above (for one thing, it always leaves off the initial "-e"). So basically i want a string that gives me "-e input" and concatenates as many times as necessary.

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General :: Stop Search Param In Directories By Grep Immediately After Param Match

Jun 17, 2010

I use the following command to find under /var some param in my script

grep -R "param" /var/* 2>/dev/null |grep -wq "param"

my problem is that: after grep find the param in file grep continue to search until all searches under /var/* will completed

How to perform stop immediately after grep match the param word

For example when I run the: grep -R "param" /var/* 2>/dev/null |grep -wq "param"

grep find the param after one second.

But grep continue to Search other same param on other files and its take almost 30 seconds

How to stop the grep immediately after param match?

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General :: Search By Content On Ubuntu - Grep -rl "text Here" It Freezes?

Feb 19, 2011

I'd like to search the entire server by content. (text file) When I try grep -rl "text here", it freezes. How would you do it? And how long does it usually take?

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Programming :: Grep Search Between N-m

Oct 5, 2010

How can i use grep (or any other command) to check for lines that begin with N number.

E.g. I want to print out commands (from history), but only from the command number 50 until #200.

This one doesn't work:

Code:
history | grep "^[50-200]"
Should print out something like:
Code:
50 cd ~/Desktop

[Code].....

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Ubuntu :: Grep Can't Search Pdf File?

Jun 2, 2010

i want to search some key words in some pdf files grep myword ~/test.pdf that command can't work! grep command can't search pdf file??

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Ubuntu :: GREP - Return Only Search String?

Jan 13, 2011

I have a mail.log file, of which I want to redirect only the search strings of the sender from=<example.sender@exampledomain.com> and the size size=4537 to a file.

In every case the sender string starts as from=<> and the size string starts as size=

What would be the grep command to redirect only the two search strings to a .txt file?

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General :: Search For Text Strings In Multiple PHP Files?

Feb 3, 2011

Long story short, I got a folder with nearly 800,000 php files. I would like to search each file for a string and if it exists in that file, the file gets copied to another directory. Is this possible from the terminal? So far I got: grep -i -n -r 'ppr-1792' * | cp $1 move_to_here

But this obviously doesn't work. $1 needs to be the file name that contains matching text.

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General :: Search For A File In Multiple Machines Simultaniously?

Sep 15, 2010

Im new to the forum and fairly new to Linux as well. my apologies if this is posted in the wrong section. My problem is How can you search for a file in multiple machines (like a server farm) ? For example i log onto machine num1 and want to search for a file named "xxx.yyy" which may be in one of 4 machnies. What i do right now is manually log into each machine and run the find command. However i have heard that it is possible to do it via a couple of simple commands. I have looked into pssh and cssh as well as ssh tunneling (along with public key authentication to stop the machines requesting a password every time i log in) and unfortunately i was unable to find an answer.

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General :: Search And Replace Line In Multiple Files?

Jul 13, 2010

Hello, I need some help searching through multiple files, finding a line and replacing that line. The line I am searching for is:

password key ******* 1222554

ultimately I want to be able to delete the numbers after the asterisks . my thoughts are to create a script that will search for the line password key ******* and delete it then replace it with password key ******* my files are located in /opt and they are all txt files.

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Ubuntu :: Is There A Variation Of Grep To Search Files For Keywords

Jul 10, 2010

I know you can use grep to find keywords in filenames, but is there a variation that can enable you to search the content of the files themselves?

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Ubuntu :: Search Files Containing A String / Grep Command?

Sep 1, 2011

how to search for those files which contain word "AM_COLLECTION=22". I need to know all the files with this string. ( I know the grep command can do it but either

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General :: Emacs - Search And Replace Regex In Multiple Buffers?

Apr 7, 2009

I'm fairly comfortable with emacs but I can't seem to find how to do this. I deal with a lot of text files and find myself performing a lot of regular expression replacements to correct the formatting of the text -- or to extract certain tidbits of data from large ugly-looking files.

I know how to perform a regular expression replacement in one buffer at a time. But how do you perform a regular expression search and replace across all open buffers? I have found a method to perform a regex search and replace across a directory by marking files but I need to do it in the open buffers.

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General :: Search And Replace String Having Multiple Special Characters

Aug 26, 2009

Below is extract of my file:

What I need is to replace "--destination-path=" with "--destination-path=/home/dest"

i.e. desired output is ----destination-path=/home/dest

I could achieve it with below command

$cat outgoing-xfer|grep destination-path|perl -pi -e "s/destination-path=/destination-path=/home/dest/g"

But the problem is that in this case i just wanted to append "/home/dest" for which I could easily escape "/" with just two "", but I wonder if i have a long path like "/a/b/c/d/e/f/g/h/i/j" I will have to escape so many /. Is there any other way by which I can avoid escaping forward slash.

I tried following:

But receiving follo error

Bareword found where operator expected at -e line 1, near "s/destination-path=/'destination-path=/home"
syntax error at -e line 1, near "s/destination-path=/'destination-path=/home"
Bad name after dest' at -e line 1. tried with enclosing in double quotes as well but in vain

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Fedora :: Configure Grep To Search Recursively Through All Files In A Directory?

Oct 1, 2010

somewhere lurking is a file containing the default print resolution, which is not being overwritten by printer settings or cups management. I've asked on the cup forum and nothing successful.

So here's the question:

How can I configure grep to search recursively through all files in a directory, or if need be starting from root to find the pattern "2880" I've looked in the man page for grep and I can't see how to do it, is grep the right tool to use for this ?

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Ubuntu :: Piping Command Output Into Grep As Search Term?

Nov 11, 2010

I want to pipe the output of a command into grep as the search TERM, rather than the text to be searched, like this for example

Code:

cat /var/log/auth.log | grep date "&b &d"

so that I only see the lines in auth.log for the current day...but obviously that line doesn't work.... is there a way to do this with grep, or even another command?

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