All Questions
124
questions
0
votes
0
answers
71
views
Text processing grep and awk together on live script not working
I am using ssh to login to a remote server (Ubuntu), and then issue a command which outputs text/value each sec (live script).
In the live output, I want to filter out the lines containing '...
-1
votes
2
answers
136
views
Grep a log file for SQL queries and their execution time
I have an application log file that also captures the execution time for each executed SQL statement, like below:-
Sample logs:
I 2023-11-15 07:18:00.743Z 1760463 37 ZVRwqItu6aw-b8eejMLI_gAAAAU 1@...
2
votes
2
answers
309
views
Why does awk concatenate strings from different lines
Good day.
I'm trying to run a ping6 on IPv6 addresses pulled from /etc/resolv.conf.dnsph. It seems though, as if awk is stringing the IPv6 addresses onto one line.
$ grep ^nameserver /etc/resolv.conf....
3
votes
2
answers
396
views
Extract first word from txt file before ending with "/" sign in linux which contains "db" word in txt line
I have abc.txt file which contains two lines. I want to extract first word in line which contains db word in particular line.
abc.txt:
XYZ/db_abc.sql
ijkl/tables/table_name/tl_abc.sql
When I tried ...
0
votes
1
answer
86
views
"grep -A" but with some lines removed
The problem
The output of grep -A 4 davidson file.txt gives me:
davidson 0 27 |r|= 0.00244 e= [-0.04073962 0.42777949 0.44157777 0.45997235 0.45997235 0.51613738
0.55005554 0.5538866 0....
0
votes
5
answers
158
views
How to bring the next line to the end of the first line using awk, separated by a comma?
I have downloaded some sequences from a publicly available database in .fa format. I want to generate a .csv file that contains the name of the sequence, and its length, separated by a comma.
This is ...
-2
votes
4
answers
80
views
How to keep previous and current line if the previous line contains common text?
How to keep previous and current line if the previous line contains common text?
I have a main file like this:
Hello_world
Anna
Frank
Jeremy
Hello_earth
Jessie
James
I would want 3 output files like ...
0
votes
4
answers
72
views
Awk multiline change
I have the following file for datadog
########################################
## System Probe Network Configuration ##
########################################
# network_config:
## @param enabled -...
1
vote
2
answers
299
views
Extract IP:PORT from a curl output
I want to get list ip:port from the curl output of
curl https://www.gametracker.com/search/?sort=5&order=ASC
I cannot post the whole output as it is very big, just posting the part from where we ...
-3
votes
2
answers
80
views
Grep first charcter from the string
10:30:01
10:35:01
There is a time in a format, where i want to grep:
Case1: 1 from 10
Case2: 3 from 30
Output as
1
3
0
10-17-22 date in a format where i want to grep 10, 17, 22, seperately.
Output ...
0
votes
1
answer
38
views
Save output of xdpdump to a variable
How can I save the output of xdpdump to a variable. I just want to save the number of packets captured.
root@front:/home/ubuntu# timeout 2s xdpdump -i ens3 -w lol.pcap
listening on ens3, ingress XDP ...
1
vote
5
answers
6k
views
Print ONLY the next line after a match with awk
I have a command that prints the line directly after a match with several pipes using different tools like grep, awk, and tail. This works but it feels somewhat messy and uses multiple pipes to ...
0
votes
2
answers
94
views
Extract all subnets from its first common octet
I have a list of subnets in a file. I just need to extract those subnets which have common octet as mentioned.
I tried using grep "grep -oP '1.[^"]+' but still I got some different results....
2
votes
1
answer
2k
views
How to get specific fields of JSON objects for which another field is true
I want to get a specific info from the below command
[root@test opc]# /bin/oci compute instance list-vnics --instance-id ocid1.instance.oc1.ap-mumbai-1....
0
votes
6
answers
530
views
awk, sed, or grep command to output boolean file for each word in file1 to check if it's existent or not in file2
I have two files, if the word in file 1 is not existent in file 2, I want to generate the word false in the corresponding line in a new file say file 3. Otherwise, I want to output true in the ...