Tagged Questions
1
vote
2answers
48 views
Why does grepping ps [p]rocess_name exclude grep from the results
A cool trick that saves you from having to use grep -v when grepping ps output (yes I know pgrep exists) is to put the first letter of the process into a character class like ps -ef |grep [s]vn. This ...
1
vote
2answers
70 views
How to find files that don't contain a given search string
I have a command that finds all the PDF files that contain the string "Font"
find /Users/me/PDFFiles/ -type f -name "*.pdf" -exec grep -H 'Font' '{}' ';'
How can I change this command such that it ...
0
votes
2answers
28 views
Grep first number value from quota -u
I would like to get first number from:
[root@nowosci /]# quota -u testclient
Ograniczenia dyskowe user testclient (uid 7798):
System plików bloki miękki twardy pobł. pliki miękki twardy pobł.
...
0
votes
1answer
45 views
find and delete files of a certain type inside a tar.gz file
Is there a way to not only find but also delete any .gz files inside a .tar.gz file? I found this link but I wouldn't know how to modify it to make it able to delete found files.
-3
votes
2answers
55 views
How can I count the number of lines matching a pattern returned from a linux command
How can I count the number of lines matching a pattern returned from a linux command
I want the number of lines returned beginning with 'foo' , so if I pipe the output to grep will this ...
0
votes
1answer
122 views
grep to IP address when IP address in parameter
I need to grep to IP address ( as the following example )
, I use ksh script ,
# ifconfig -a | /usr/xpg4/bin/grep "100\.106\.2\.120 "
inet 100.106.2.120 netmask ffffff00 broadcast ...
0
votes
1answer
64 views
grep + match value only if value in the end of line
please advice what is wrong with my code, ( I run this code on both OS linux and solaris )
I don't get the line from:
"file ended with .tmp"
example:
I need to verify if $FILE ended with .tmp ...
3
votes
2answers
153 views
Is there a way to find a specific word in all files/folders in Linux?
I usually use grep word * while being in a folder which includes files that have that word.
But in this folder i also have folders which under them there are files that have that word, what is the ...
0
votes
3answers
102 views
grep + Regular Expressions to match uniq number
My target is to verify if $FILE is a backup file ( backup file ended with xxxx.xx.xx.xx number
Example of backup files
ls /etc/VRTSvcs/conf/config
main.cf.17Dec2012.09.10.14
...
0
votes
3answers
281 views
How can I grep for two values from the same input being piped to it?
CentOS 5.x
I'm trying to build a shell script that searches data provided via stdin. Here's an example of the input stream:
Date: 1/1/11
Time: 12:00 AM
Foo: 12345
Foo1: dskjflsdkjflksdjlfds
...
6
votes
4answers
457 views
Kill process by command name
I would like to kill a java process based on the command name...
Whats the best way to do it?
(i.e. when you do ps -f the name in the CMD column).
1
vote
2answers
72 views
Delete All Files Matching Pattern In Directory
How can I delete all files containing -20 in the filename in the current directory?
I have
ls | grep "-20" | rm -rf
But that does not work. Ideas?
Thanks.
0
votes
2answers
197 views
Find text, then insert linebreak and some php code across multiple files
I have a certain php code comment that appears in about 75 files across several users. This command succsessfully locates it. (I didn't bother looking for the double slashes because I wasn't sure ...
2
votes
4answers
673 views
bash : “set -e” and check if a user exists make script exit
I am writing a script to install a program with Bash. I want to exit on error so I added set -e to the beginning of my script.
I have to check if a user exists inside of my script. To do this I am ...
1
vote
4answers
120 views
GREP show lines that contain this but not that
I would like to search for lines that contain "uploaded" but do not contain "09"
Is there a way to do this with grep?
(CentOS 5.6 if it matters).
1
vote
2answers
2k views
How to grep httpd error_log within a time range?
How can I grep only lines from a huge (120GB) httpd error_log based on a time range, say:
from 2011-11-15 11:30 pm
to 2011-11-16 01:30 am
Thanks!
1
vote
3answers
956 views
How do I search by multiple keywords when using awk or grep?
I have a collection of files. I want to search through them all with grep to find all and only those which contain anywhere within them both the strings keyword1 and keyword2.
I would also like to ...
17
votes
7answers
1k views
Can awk be used instead?
I would like to get the number from rating as output from this
# nc localhost 9571
language:
language:en_ZA.UTF-8
language:en_ZW.UTF-8
session-with-name:Ubuntu Classic (No effects):gnome-session ...
2
votes
5answers
155 views
How to remove a certain symbol for a bash script
I have a bash script where I get the disk usage, for example 60%. How can I remove the % symbol? Using grep or awk?
0
votes
2answers
737 views
tee and grep at the same time (shell)?
I'm trying to run a server that writes to $log (a txt file) and then find all the text in the logfile that starts with [1] and put it in another file. Here's my attempt. tee -a $log works along with ...
1
vote
1answer
424 views
redirecting “tail --follow=name | grep” to a file
Here is my scenario:
I have a log file that is being wrote too by an application. The log file is named "alarms.log". I want to tail the file for a certain string and redirect that to a file called ...
19
votes
4answers
2k views
In tail -f, how do I filter out stuff that has certain keywords?
I want to tail -f my logs. However, I want to filter out everything that has the words:
"ELB", "Pingdom", "Health"
0
votes
2answers
427 views
Is there a flag I can pass to either `df` or `mount` to make them display results for only locally-mounted filesystems?
I'm getting mighty tired of having to manually egrep out NFS- and SMB-mounted filesystems whenever I am checking on the condition of locally-mounted filesystems. So, my question is thus: is there some ...
4
votes
4answers
1k views
Combine multiple unix commands into one output
I need to search our mail logs for a specific e-mail address. We keep a current file named maillog as well as a week's worth of .bz2 files in the same folder. Currently, I'm running the following ...
0
votes
1answer
296 views
Move all images in folder to subfolder, and update all references to those images to their new location?
I have a folder which contains a ~50 text files (PHP) and hundreds of images. I would like to move all the images to a subfolder, and update the PHP files so any reference to those images point to the ...
0
votes
2answers
90 views
Recover programmation source files
I've source code files (Java and C++) to recover from a broken RAID 1+0 array, I've been able to access the virtual drive with an other server but the ReiserFS partition can't be recovered with ...
2
votes
2answers
701 views
How can I remove malware code in multiple files with sed?
I've this malware code in so many .html and .php files on the server. I need to remove them using
sed -i expression
search all files under directory /home/
find infected files
remove the code by ...
2
votes
2answers
2k views
Send email based on grep results
I'm using WebInject (CLI not GUI) to test out online web services. I was going to go with a third party until I found this little gem and realized what I could save...
What I want to accomplish is to ...
0
votes
2answers
398 views
New 64 bit linux system has regular processes (ps, grep etc) taking up way too much VIRT mem
We just moved from a 32-bit machine to a 64-bit machine. We have quickly ran out of memory despite the new boxes have twice as much ram as the old boxes.
Running a simple ps command will illustrate ...
2
votes
1answer
5k views
How to view hidden files using Linux `find` command
On a Linux server, I need to find all files with a certain file extension in the current directory and all sub-directories.
Previously, I have always using the following command:
find . -type f | ...
4
votes
6answers
1k views
How to remove a tagged block of text in a file?
How can I remove all instances of tagged blocks of text in a file with sed, grep, or another program?
If I have a file which contains:
random
text
// START TEXT
internal
text
// ...
3
votes
4answers
843 views
“watching” a log on FreeBSD vs Linux
On Linux systems I can
watch -n1 tail /var/log/whatever.log
or
watch -n1 grep somestuff /var/log/whatever.log
To show updates to a log every 1 seconds.
On FreeBSD however, the watch command does ...
0
votes
4answers
4k views
non greedy grep command on ubuntu?
I'm building a script which filters out all our translatables from our template system.
the problem i'm facing is the occasion where 2 translatables are on one line.
These are 2 example lines from a ...
0
votes
4answers
175 views
Grep a word from a file
How can i grep a nearer word from a file ?
E.g
04-02-2010 Workingday
05-02-2010 Workingday
06-02-2010 Workingday
07-02-2010 Holiday
08-02-2010 Workingday
09-02-2010 Workingday
I stored ...
2
votes
1answer
1k views
How to use grep commend with variable
How can i use grep commend with variable ?
I stored ' Feb 1 ' (future it will be changeable) to variable 'date'.
Now i want to grep this variable 'date', How can i do this ?
2
votes
2answers
4k views
grep to find files that contain a string greater than x characters long?
Is it possible to locate files in a directory that have strings (with no spaces) longer than x length?
2
votes
4answers
1k views
Outputting grep to multiple variables
I what to have bash script to grep output to multiple variables but have no idea how to do that:
command |grep bla > $result1 $result2 etc...
Any ideas?
S
3
votes
2answers
504 views
Local full text index for a directory tree, a quicker alternative for grep -R
I have a large directory tree of source files. I want to search around all these files. My first instinct is to use grep -R or ack, but either way they just sequentially read all the files.
Is there ...
8
votes
4answers
5k views
Linux Command to find Strings in Binary or non ascii file
Is there any linux command to extracts all the ascii strings from an executable or other binary file? I suppose I could do it with a grep, but I remember hearing somewhere that such a command existed?
...
1
vote
3answers
3k views
SED Find & Replace w\ Regular Expressions
Alright, So i'm confused & out of ideas.
I'm trying to replace all the old IP addresses with a new one.
find -type f | grep \.php$ | xargs sed -r -i ...
2
votes
9answers
1k views
How to reproduce grep's --recursive option in an old version of grep
I am working on an ancient UNIX whose grep lacks the -r/--recursive option.
I need to find an error that our application is causing, but I do not know which log file our application is writing ...
1
vote
1answer
502 views
How does one simular the old unix grep -S strict functionality in linux (CentOS 5.2)
I am grepping the output of a command and I wish to only return specific, strict results.
I remember some iteration of grep had a strict option -s/--strict.
example: command | grep -i bytes
This ...
6
votes
6answers
2k views
How to Find a file in FreeBSD
I'm trying to locate all copies of example.filename on my FreeBSD server. What's the best / easiest / most efficient way to do this?
