Nginx – Makefile help target
I am trying to create a nice and dynamic help, but I am struggling to interpret the variable name in the project's .env file. I need these names to be interpreted by the .env. I will provide the closest result…
Json – Using curl and grep to extract data from a file
i have been trying for hours but with no luck, I want to extract the (id, remote_ip, listen_addr) and put it in a txt file I have managed to do so with curl -s https://pastebin.com/raw/gGt524CS | grep -e "id" -e…
Html – how to grep a specific passage in a line in accordance to another line
I'm currently trying to grep the content of href from an html text. The problem is that href is listed multiple times in the file and therefore I need to grep a line above it. <tr> <th>Description:</th> <td class="wrap" itemprop="description">Crypto…
Php – How to get image red green blue standard deviation values from gm identify -verbose?
I am trying to get the values given for Standard Deviation in the Red, Green, and Blue channels that you can see in gm identity -verbose but they're not listed in the -format options. How can I get these from…
How can I pipe a docker ps output to a docker stop command?
I want to stop all containers that have dev1102in their name. There are several containers but I never know how many. So I run docker ps |grep -o 'dev1102_[A-Za-z_]*' which lists me all containers I need. Output looks like this…
Ubuntu – Searching palindromes with grep -E (egrep)
Reading The Unix Programming Environment by Brian W. Kernighan and Rob Pike. Working on an exercise, where one should find all palindromes in a wordlist using grep -E. The most concise solution I've been able to find online and understand…
Ubuntu – how to grep and grab docker image_id from 'docker images' cmd via cli without selecting with mouse?
[banner@stapp03 ~]$ docker images REPOSITORY TAG IMAGE ID CREATED SIZE <none> <none> 26828d185a8f 5 seconds ago 125MB ubuntu latest 174c8c134b2a 3 weeks ago 77.8MB there are 2 images - i want to type command in cli and grab latest image…
Ubuntu – grep's output is split by colon when being saved into array
I have a file with array looking like { [commandA]: cmdA, [commandB]: cmdB, ... } I'd like to fetch the lines with commands by grep and store them in the bash array. But when I do cmdFunMap=(`grep "^ [command" myfile`)…
Json – Why Does 'grep' Change Text Format in Swaymsg Output?
I'm using swaymsg -t get_inputs | grep to filter input device information, but I've noticed that grep is altering the text format. Using grep: $ swaymsg -t get_inputs | grep -i touch "identifier": "2:7:SynPS/2_Synaptics_TouchPad", "name": "SynPS/2 Synaptics TouchPad", "type": "touchpad",…
jQuery – find object in array of objects based on partial match of one element
I have an array of objects, with one element being comma separated list of values. When a new object is created, I want to check if there is an object in the array that, among other things, might contain one…