grep a Unix command-line utility which searches input passed to it for lines matching a regular expression, and prints the results.

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ag (silver searcher): ignoring specific text extensions

I want to use ag to search inside all text files in a directory for a given string, but excluding some extensions such as *.html. If I use both the -t/--all-text and --ignore "*.html" flags, the ...
2
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1answer
20 views

how to open port in ubuntu?

I have open port 3003 that working correctly on all remote connection . when i type command: netstat -tupan | grep 3003 then it gives output ekodev@ezp:~$ netstat -tupan | grep 3003 (Not all ...
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1answer
25 views

xrandr | grep “ connected ” give me more than one line but IFS=$'\n' read can't break it

I have something like this: declare -a DISPLAYS AUXILIAR="$(xrandr | grep " connected ")" IFS=$'\n' read -ra DISPLAYS <<< "$AUXILIAR" Why it isn't detecting line breaks if echo ...
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2answers
830 views

Grep default color option

grep is one of the most commonly used command in linux. It feels to me that its basic feature to highlight the string you searched for on the output lines. this can be achieved by --color option. ...
92
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9answers
188k views

Command prompt (Windows 7) grep equivalent?

Is there a command prompt (Windows 7) grep equivalent? That is, I want to filter out the results of a command: Bash use: ls | grep root What would it be from a Windows command prompt?
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1answer
24 views

How to grep in Windows for for eval code?

I have written this code in Linux, How can I achieve the same in Windows server ? find "dirname" -name "*.php" -exec grep -PHl "(eval\(.*\);)" {} \; Basically I want to find out this pattern ...
3
votes
1answer
249 views

When piped with ls, grep in solaris is not working

I am using the below command in solaris ls -l | grep '*PROC*' But it is not working. I have many files that contain "PROC" in their name like "XREF_PROC.complete" but when I use the above command ...
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1answer
14 views

List files that have both keywords with grep

I would like to list the files (using grep -r) that have both of the two keywords (not necessarily on the same line): word1, word2. When I do the following, I get the files that have word1 or word2: ...
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3answers
56 views

How to use grep or awk to save every line from text file as new file?

I am a scripting beginner. What i am trying to do. I have a text file that looks like this (example): hello hi there apple I am trying to make a script that saves every line as a separate new file ...
0
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1answer
23 views

how do I grep only the user created profiles among all users in linux ?

From the below output , I just want celesial and neetish user I can't figure how to do it though . celestial@celestial:~$ sudo repquota / *** Report for user quotas on device ...
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8 views

Mac OS X Find and Replace API

Are the Find and Replace operations under the Edit menu in Acrobat or Word simply a front end for the unix awk, sed or grep commands? Where can I find more information about what's going on underneath ...
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2answers
20k views

How to find uptime of a linux process

How do I find the uptime of a given linux process. ps aux | grep gedit | grep -v grep gives me a whole lot of information which includes the time at which the process was started. I am specifically ...
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6answers
4k views

Grep in Microsoft Word?

Grep in Microsoft Word? I'd like to pull all lines with a given string from a word document. In unix world... grep does this without a glitch. Windows is less than obvious for me.
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0answers
17 views

reject pattern and N following lines (or send to a different file)

I have extraneous output in the form of my pattern 28374017032 something random following something else random following the pattern more numbers and I can easily reject the line containing the ...
35
votes
6answers
30k views

grep to find files that contain ^M (Windows carriage return)

I use Linux. There is a pesky ^M (Windows cariage return) somewhere hidden in thousands of configuration files, and I have to find it, because it makes the server fail. How do I find ^M among a ...
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0answers
26 views

grep - Grepping several lines from Nmap output

My scan root@kali:~# nmap -Pn 5.2.167.13 Starting Nmap 6.47 ( http://nmap.org ) at 2015-07-07 14:33 EDT Nmap scan report for static-5-2-167-13.rdsnet.ro (5.2.167.13) Host is up (0.010s latency). Not ...
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1answer
25 views

Error with command cut: the delimiter must be a single character

I am trying to run this command from console: # HTTPDUSER=`ps aux | grep -E '[a]pache|[h]ttpd|[_]www|[w]ww-data|[n]ginx' | grep -v root | head -1 | cut -d\ -f1` But got this error: Try `cut ...
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2answers
36 views

Matching a sentence with grep

I'm trying to grep for the full sentence containing a search term. I've tried grep (^.|\.\s).*searchterm.*(\.\s|\n) but it's not working and I'm not sure why. To clarify: I want stdout to print ...
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2answers
43 views

Bash - using grep on user-defined strings

Sometimes I would find it very useful to be able to use grep on a string (without the string being in a file). For example: var="Some random string" $var | grep -e "Some" I guess I could use echo ...
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3answers
43 views

Error extracting data from a text file, with grep command in bash

I generate an output file named "silence.txt" with ffmpeg. When I try to extract lines containing the word "silencedetect", I've got a strange extract. Here is my original "silence.txt" file : ...
0
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1answer
23 views

grep returns no results

Came up to a strange problem - was running a trivial command grep -F "INSERT" new.sql >& output.txt on a new.sql that is 76MB large. The funny thing here is that none results are returned ...
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3answers
55 views

Unix grep finding file beginning with [pattern]

I would like to find files that begin with a particular pattern i.e. the first line of file should contain the pattern, and then print the first 10 lines of such file, is there a way to do that? Is ...
1
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1answer
27 views

Aliasing piping operations in bash

I frequently will do something like grep -R foo . at the root of a project. It’s helpful but the results get diluted by the inclusion of binary. temp, and test files that I don’t care about. So I end ...
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0answers
30 views

Non-deterministic behavior of Grep in conjunction with More

What would you expect to happen after this: for /l %i in (1,1,100) do @more some.bbl | grep a | md5sum Most probably, not this: ec3ecb76408d4225ff23a25d0596e00f *- 13cfd899b90b9cd7aedb406a785e8eac ...
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votes
3answers
49 views

Extract version string from filename

We have a list of filenames in file a.txt with their version string embedded in them. Eg: gson-2.1 xmlParserAPIs-2.4.0 acrobat-1.1 orai18n-mapping-12.1.0.2 jdbc-se2.0 eclipse-core-runtime-20070801 ...
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0answers
31 views

Write error Broken pip - Kali - Python

I have a problem im trying to perform grepping over nmap scan saved text file using python code but i get this error: cut: the delimiter must be a singel character Try 'cut --help' for more ...
7
votes
2answers
844 views

grin, ack and rak comparison

Having used ack for some time now, I find it much better for my development purposes than grep. But then I've heard about rak and grin. Has anyone used all three of them and can provide a comparison? ...
4
votes
2answers
17k views

Filter/grep some output only by certain column?

How can I filter some output only by certain column? I need something like this: tail -f logs/access_log | grep -v "200" --only-in-column=1 So I want to see only lines that don't have string '200' ...
4
votes
7answers
5k views

grep count multiple occurrences

Is it possible to do a grep count of multiple occurrences in a file in one single command? For example: $ cat > file blah alfa beta blah blah blahgamma gamma I can do: grep -c 'alfa' file 1 ...
7
votes
2answers
11k views

How can I “grep” recursively filtering the name of the files I want with wildcards?

When I want to perform a recursive grep search in the current directory, I usually do: grep -ir "string" . But that command searches inside all kinds of files, including binary files (pictures, ...
0
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1answer
30 views

How do I correctly return context from a gnuwin32 grep (grep in windows cmd)?

I want to return a line of context after the string I'm searching for as per grep --help Context control: -B, --before-context=NUM print NUM lines of leading context -A, --after-context=NUM ...
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14answers
22k views

Monitoring a file until a string is found

I am using tail -f to monitor a log file that is being actively written to. When a certain string is written to the log file, I want to quit the monitoring, and continue with the rest of my script. ...
0
votes
1answer
35 views

How to grep through HTML using GNU grep 2.12 and bash 4.2.37?

I've never used grep to parse HTML files, and am having the following problem: grep -Po "(?s)(<h2>.+?<!-- /endcontent -->)" input.html > output.html -bash: !--: event not found I ...
0
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1answer
45 views

grep: display all output but highlight search matches

in bash, if I want to execute a command and only display output lines that matches a certain pattern, I can pipe it to grep, like file testfile hello there my friends command $ cat testfile | ...
1
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0answers
30 views

grep php output show more than grep query

I'm having an issue where php file | grep "query"'s output shows EVERYTHING, not just the grep'd output. EX: php /vagrant/code/test.php | grep "Do not show anything" Shows anything echo'd in the ...
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votes
1answer
267 views

How to grep rows that have value less than 0.2 in a specific column? [closed]

ID RT EZ Z0 Z1 Z2 RHO PHE 1889 UN NA 1.0000 0.0000 0.0000 0.8765 -1 1890 UN NA 1.0000 0.0000 0.0000 0.4567 -1 1891 UN NA 1.0000 0.0000 ...
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7answers
3k views

Unicode grep for Windows [closed]

Is there a Unicode-aware grep for Windows 32-bit?
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1answer
60 views

BASH : grep count same word occurrence

Is it possible to count the maximum number of occurrences of a word in a string using only grep ? Here is an example of what I want : script.sh "aaaa bbbb ccc bbbb azesd bbbb" would return bbbb ...
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2answers
71 views

grep and sed with pipe from tail -f appears to be caching

I am trying to get a working system to monitor special logs. I usually just want a very specific pattern which I extract using grep and a pipe from tail -f. I have noticed that grep does not output ...
0
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2answers
37 views

Grep invert match with context

I am trying to grep a file with invert match, but also not match every line occurring right after the matching lines. So I have the following contents in a file called testing_grep: ...
1
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1answer
40 views

Grep with string comparison: return only lines “higher than” a timestamp

I have an email log file which records when an email went out, and who to. This gets logrotated and so there are a mixture of zipped and unzipped log files going back a week or so. I'm currently ...
0
votes
1answer
569 views

Remove grep's line number output in Redhat 5.9

I havent used RH 5.9 until now. I started with 6 but we have some 5.9 servers. The syntax with 5.9 is a bit different with some things. grep for example will output a number line before the actual ...
2
votes
1answer
36 views

grep -l output filenames with spaces

I want to loop over files with for f in `grep -rsl "foo" . `: do sed -i -- "s/foo/bar/g" $f; done; But since filenames contain spaces, a filename is split whenever a space is found. How can I ...
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8answers
47k views

What regular expression can I use to match an IP address?

With the following grep syntax I want to match all IP address in a file (from a ksh script) grep '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' file The problem: It also matches words ...
1
vote
1answer
28 views

How to serach for a line which contains specific string in Bash?

I've got a file which contains some amount of lines, I want to look for a specific string, and if the file contains it, then I want to print a different line from the same file. for example, let's ...
6
votes
3answers
10k views

Mac OS X search and replace tool with regular expression support

I'm looking for a regular expression based search/replace GUI tool that is able to handle multiple files/subdirectories, something like grepWin but for Mac OS X. PS. I'm aware of grep and I don't ...
1
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1answer
18 views

Grep Whitespace across multiple lines

Given the following in a bunch of text files (.vb): Partial Class [A-Za-z0-9_] Inherits System.Web.UI.Page End Class I'm trying to grep for files that have this basically empty code file, to ...
19
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5answers
16k views

Excluding grep from process list

I have cobbled together a command to return the process ID of a running daemon: ps aux | grep daemon_name | awk "{ print \$2 }" It works perfectly and returns the PID, but it also returns a second ...
0
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1answer
56 views

How to grep for line numbers in a binary file?

I'm on Centos 5 Linux and using GNU grep v2.5.1 and looking at a 36GB log file. It is huge and I need to find around a million lines starting from the occurrence of a string 6307459 in the log file ...
0
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1answer
43 views

Why is the Windows Explorer not able to find a UUID string in a list of text files?

I have a directory with all my PUtty log files. Now I would like to find the files containing a UUID. I know that the UUID is in one or more files. I tried it with Windows Explorer. I searched with ...