Questions tagged [grep]
grep is a command-line utility that is used for searching text.
747
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Using grep or find to get all files created in 2018 with "log" extension [closed]
Directory contains catalogs that have the following format: «20180201».
I want to Get the list of all files created in 2018 with the "log" extension and their sizes.
Can anyone explain me this?
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1
answer
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Why should apt-key output not be parsed?
To validate that the docker gpg key is installed, I ran:
sudo apt-key fingerprint 0EBFCD88 | grep "9DC8 5822 9FC7 DD38 854A E2D8 8D81 803C 0EBF CD88"
Which resulted in the following output:...
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0
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1
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How to search start and end with square bracket with multiple line
Text have
[{hello=(1+2-0),
hello2 = 1}]
But are in two or three multiple lines when start with [ and end with ] are in different line
How to extract like grep for this multiple line pattern?
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0
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1
answer
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Creating/importing iptables rules to ufw
Thank you very much for your time in reviewing my issue.
I am currently trying to convert the following iptables to ufw:
iptables -A INPUT -p tcp -s 127.0.0.1 --destination-port 443 -j ACCEPT
...
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0
answers
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I can't get of this error and end up in tty mode after I start my system
/var/lib/dpkg/info/passwd.postinst: 21: grep: not found
groupadd: group 'shadow' already exists
Group ID 42 has been allocated for the shadow group. You have either
used 42 yourself or created a ...
3
votes
1
answer
1k
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How do I use string variable (which contains double quote) in grep
I have the following bash code:
DNS_RECORD_NAME="\"_acme-challenge\""
linode-cli domains records-list 1020562 --pretty --json |
grep '"name": $DNS_RECORD_NAME'
The output should be like ...
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2
answers
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find grep -E gives error: find: unknown predicate `-E'
I am running the command (on Ubuntu 18.04)
find . \| grep -E "(\_\_pycache__\|\.pyc\|\.pyo$)" \| xargs rm -rf
and I get the error
find: unknown predicate '-E'
I used to run this command on ...
- 185
1
vote
1
answer
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Filtering the lines which are greater than a percentage value
Hello i need to filter lines which are greater and equal than 85%.
I need to filter according to Forward: Score line and end of the percentage of that line.
Example file:
Scores for this hit:
>...
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2
answers
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How to arrange every n rows into columns using awk
I have a tab-separated data like this:
a 2
b 3
c 4
d 6
e 8
f 9
g 10
h 11
i 12
...
My desired output should look like this:
a 2 d 6 g 10
b 3 e 8 h 11
c 4 f 9 i 12
How can I do this, for instance ...
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1
answer
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I am trying to use the grep function in a script but it is not working, Although it is working in the terminal
I want to count the number of the G8LE word in my file so I opened a terminal and I used:
grep -o -i G8LE C60_TAPC_GRM_box.gro | wc -l
and it worked.
I tried to write a script composed of many ...
3
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2
answers
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How to grep (print only) lines starting with uppercase-lowercase pattern?
I have a command that prints lines in format "Name:nickname". But since it is an output from getent, it also contains some lines which are not names.
However, they all are either only uppercase or ...
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2
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Process id is constantly changing, and it can't be killed with name
I'm working with Ubuntu 16 through SSH, and facing an issue with it. I want to kill the process but can't find a way because it keeps changing the PID every time.
I'm using this command to check the ...
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0
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1
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668
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Grep from nginx server files, but exclude www.domain.tld
I have a command in a bash script like this, to get me an array of all the domains on my webserver.
domains=($(grep -rnw '/etc/nginx/sites-available/' -e 'server_name' -l | xargs grep -e 'server_name'...
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0
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Find process started by Autostart (Redshift)
I've tried pgrep redshift, pgrep -f redshift, ps -ax | grep redshift, ps -elf | grep redshift, ps -ax -u root -U root | g redshift, systemctl | grep redshift all without finding the process, yet ...
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1
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560
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in VI mode i want copy particular specific lines from. log, .txt file
I have files which contain more than 2,00,000 lines in file i. e. abc.log file in that I want to copy line 600 to 750 and 40,000 to 60,000 in VI mode and paste new txt files
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0
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2
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626
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how do I grep specific pattern from a Line using grep command?
to be more clear, I need to get the used space percentage (only the percentage without the other content in the line< of VOL (line 7)
Using grep command*
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2
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1
answer
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Using AWK, how to use tabs instead of Space as field seperator?
I have the following fields:
Name<tab>City<tab>Phone Number
If I use to awk, it returns only first name ("Muhammad"), when name is "Muhammad Tahir".
How can I use awk with grep so it ...
2
votes
2
answers
1k
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The same string twice in the $PATH environmental variable
When I run $PATH on my terminal in Ubuntu 18.04.3, it displays the following:
/home/ubuntu/bin:/home/ubuntu/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/...
- 2,145
0
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1
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188
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Search number list in multiple files and print
I am trying to find a few numbers listed in a file and their next +16 rows, from a bunch of files in a folder.
Print or store output in a file, but the command is not displaying any output
for i in ...
0
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2
answers
338
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grep / sed / awk / count between two lines in file not whole file
I have this file on my laptop /etc/dbus-1/system.d/org.freedesktop.thermald.conf:
<?xml version="1.0"?> <!--*-nxml-*-->
<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus ...
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1
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302
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grep error only when creating variable out of results
I'm parsing some json in bash. If I do this at a bash command prompt:
cat junk|grep -Po '"loc":.*?[^\\]",'
It returns:
"loc": "21.0393,105.7666",
But, if i do this to set a variable with the ...
0
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1
answer
1k
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How to list all files in a specific directory that starts with 'sh' including inode number in one line
Assuming I'm in the home directory
I'm trying to list all the files in /etc to show all files that start with sh along with the inode number
I tried the following:
sudo find /etc -name 'sh*'
# this ...
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1
vote
2
answers
283
views
How to extract strings that appear more than once?
I want to extract from a file all the strings starting with 'File:' and ending with '.png'. I'm running the command
grep -oE 'File.*\.png' list.txt
But this gives me a single long string starting ...
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1
vote
1
answer
625
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More efficient way to find content of files within millions of files
We currently have a series of files ordered by date, by type and then individual XML files containing details, with the basic structure as:
2020-01-01/
FR_abc
FR_abc_datetime_random.xml
...
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12
votes
1
answer
5k
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How to pass list of names to be searched by grep using xargs?
I have a text file containing names (nameslist.txt) and I want to read them using cat and pipe the result with xargs to a grep command, so that grep checks the existence of each name that it receives ...
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1
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service --status-all | grep <anything> always returns [ ? ] entries [duplicate]
Trying to get the state of a service that is running (or not). I use service --status-all | grep <service> and no matter what I enter for <service>, I always get:
[ + ] <service I ...
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votes
3
answers
1k
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How to copy/move files with more than two keywords
I have a file list like this (long list, not all):
And I want to filter the files with keywords "QM" and ".h5", so I type ls|grep "QM"|grep "h5" and it shows these (what I need)
So basically I want ...
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2
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678
views
How to calculate average of 2nd field from files?
I have a file and it consists of two fields.
The first field format is "%FT%T".
Sample data:
2019-01-01T00:00:00 4.8
2019-01-01T01:00:00 5.1
2019-01-01T02:00:00 5.4
2019-01-01T03:00:00 5.7
2019-...
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0
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Search a list of unic values in another list. Linux
Im trying filter only specific values in a very long list with repeated values.
The long list:
ASUR B 356.660
FEMSA UBD 181.670
AMX L 15.060
ASUR B 356.290
ASUR B 356.480
WALMEX * 56.510
...
1
vote
1
answer
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Grep the contents of a file for contents from another file one at a time
I am using
grep -o <string> <filename> | wc -l
to count the number of times <string> occurs in the file. I now need to extend this such that the string is from a list of items in ...
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1
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script to copy multiple files from multiple directories to one of the folder/directory
I'm having five different directories in the home path which contain some files in all directories, as shown below.
home/dir1 contains:
abc121219.txt
kucj.txt
gtuj120518.txt
gdkmcg.txt
such.txt
...
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3
votes
2
answers
453
views
How to insert filename by changing format to same file?
I have many files. File format is year(4-digit)month(2-digit)day(2-digit)
Sample filenames:
20150101.txt
20150102.txt
Content of sample filenames
00:00:13 -> 001528
I want to extract data as ...
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3
votes
2
answers
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how to find or list file and directories which having size more than 100mb
How to find or list file directories which having size more than 100 MB
I'm using du -sh* to get the size of file but my system don't have permission
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votes
2
answers
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How to grep words from a single string matching a pattern?
Will anyone guide me to grep only words containing pattern _ARA from the below single string.
String:
LINK:['IM219MIR_ARA1','IM18Q4_ARA1','SM18Q4_ARA1','IM18PLANNING_ARA1','IM118Q4DYNVA_ARA1','...
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votes
2
answers
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How to read .json to output an specific number?
Hello I've been using this:
curl -s "http://api.openweathermap.org/data/2.5/forecast?id=6361046&APPID=6be5e3a6e62680c28044791e8fc7b568&units=metric" -o ~/.cache/weather.json
to write a ...
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How to grep for "STRING1" but skip if the line contains "STRING2"?
I want to search for "STRING1" using grep but to skip if the line contains "STRING2". How can I do it?
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1
answer
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Unzip a .zip file to all directories that contain a .php file that contains the text “house” inside?
How to unzip a .zip file to all directories that contain a .php file that contains the text "house" inside?
Something like:
grep -rl --include='index.php' 'house' /directory/path/of_the_index_file* |...
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1
vote
3
answers
727
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How to grep lines which doesn't contain words with certain character except certain instances of words with that character
I have very long file.txt which, among other hundreds of lines, contains lot of lines like these ones:
CD H1
CD H123
CD C2
CD D1
CD H2FOO
CD HXY
I want file which doesn't contain lines with ...
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0
answers
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Grep search files using a list of keywords
I've build this command up from searching questions here. It works if I supply the keyword manually, e.g.
while read line; do grep -wFrIin "keyword" --exclude-dir={.git,target} --include=\*.{java,ts,...
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1
answer
356
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How to list also two lines after a grep match?
grep 'STRING' filename
searches the file for STRING and lists the lines that contain a match.
How can I also list two lines that follow the match?
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3
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how to grep two paragraph from file?
i have file "test_file.txt". My output must contains all"IP ADDRESS" and "MONTHS OF 2017" from file test_file.txt.
Server$
Server$cat test_file.txt
IP ADDRESS:
1. 172.17.17.17
2. 172.17.17.18
3. ...
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1
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517
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grep a word/number between two specific characters
When you ping you will get the ip between () , for e.g : (10.10.10.10)
and after the ip there are (number) for e.g : (10.10.10.10) 56(84)
so how i can get the ip that is between the () ? and without ...
7
votes
1
answer
20k
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List certain installed packages
I am trying to see whether I have installed certain packages. I figured this would work
apt-get list --installed | grep "xxx"
but it doesn't. Any ideas?
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0
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0
answers
525
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How to compare two files with without it doing it line-by-line or ignoring words it has already seen before? (Bash Linux)
So I am trying to compare two files. text1.txt and text2.txt and put the difference between the two files in the file text3.txt
My issue is that I cannot find a way to make it eighter not check line-...
0
votes
1
answer
116
views
I need to pull email size for each email in a sendmail log, then total them up with the total size and total number of emails
The size is simple to find after size=
i can find the size and put it to a file but removing everything but the numbers and then summing it with the total numbers all in one file is just not coming ...
2
votes
1
answer
8k
views
Using grep and sed to make changes to a config.yaml file
I have a config.yaml file which i want to edit or make changes to using a bash script. So i got a command using grep and sed which gives me the desired changes , but the problem is that when i apply ...
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votes
4
answers
1k
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Count number of different name in a file
I want to count the number of different name in a text file of this presentation:
2008 girl Avah
2009 girl Avah
2008 girl Carleigh
2011 girl Kenley
2012 boy Joseph
2013 boy Joseph
2014 boy Isaac
2014 ...
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votes
2
answers
663
views
How to modify a file if file contain numbers that begin with '+1'
I am transferring an Android SMS database to my iPhone manually without restoring. Because of the number format of +1562... the iPhone does not recognize the format and creates a new text thread.
I ...
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votes
1
answer
110
views
Count findings of string in folders
I have a folder with .tex files and want to find how many TODOs there are in all files. Currently, I'm doing this:
grep -r "TODO" chapters/*.tex | wc -l
This gives me each line that has (at least) ...
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2
votes
1
answer
3k
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Bash, grep, whole line as variable
Issue
How can I store whole line output from grep as 1 variable, not for every string.
Example (I need just 3 variables, whole lines).
user@local:~/bin/kb$ grep -E '##.*bash.*file.*add' bash.kb
## ...
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