To start, I have done a lot of googling and tried grep, sed and awk, but was not able to find a solution with either. My goal is to find 2 patterns in a log file, but only if each…
I want to identify the ebs volumes which have less than 100 [ Or any other value which I would like to pass as a parameter(variable) ] Less than X GB is from the "Available" Column. Note: Question 2: I…
I need to print only the 1st match from each line. My file contains text something like this: cat t.txt abcsuahrcb abscuharcb bsaucharcb absuhcrcab He is the command I am trying with: cat t.txt | grep -oP 'a.*?c' It gives:…
I'm migrating many bash shell scripts from old versions of raspbian and ubuntu to the current raspbian version. I've made a brand new system installation, including various configuration (text) files that I've created for these scripts. I found to my…
Please help. i'm struggling with a line printing one word before and one word after the match. ideally is to make number of words variable, but at lease 1 is needed. sample Input https://suttacentral.net/sn45.78-82 1 Saṁyutta Nikāya 45.78–82 8. Dutiyaekadhammapeyyālavagga…
I have a source code which frequently includes a piece of code like foo ( bar ( foo0(<An arbitrary number of parenthesis may appear here>) ), foo1bar(<An arbitrary number of parenthesis may appear here>) ) I want to capture this…
The packages are in the same folder and are able to list by " ls -al | cut -c 47-" and show as below ncurses-6.2 netifd-2020-06-06-51e9fb81 net-snmp-5.9.1 nettle-3.5.1 nginx-util-1.4 odhcpd-full openldap-2.4.48 openssl-1.1.1g pciutils-3.7.0 pcre-8.44 pcsc-lite-1.8.13 I want to print out…
$ echo file.txt NAME="Ubuntu" <--- some of this VERSION="20.04.4 LTS (Focal Fossa)" <--- and some of this ID=ubuntu ID_LIKE=debian VERSION_ID="20.04" BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/" PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" VERSION_CODENAME=focal I want this: Ubuntu 20.04.4 LTS. I managed with two commands: echo "$(grep '^NAME="' ./file.txt | sed…
i have two different txt files. The first one is the source file. The second file file b is the same file, but after some edits. New lines have been added, and some lines from file A have been deleted…
I have a tabulated .txt file with three fields, the third field often having multiple words: GO:0000002 Akt3 mitochondrial genome maintenance GO:0000002 Mef2a mitochondrial genome maintenance GO:0000002 Mgme1 mitochondrial genome maintenance GO:0000002 Mpv17 mitochondrial genome maintenance GO:0000002 Mrpl15 mitochondrial genome…