This is the same situation as a question I asked about a year ago, however I am now targeting RHEL7 and Bash 4.2.46. I am writing scripts to install packages from archive files, checking if the package is already installed…
Can anyone help me using bash and jq to be able to filter this JSON down to only the first occurrence of the user.login for each item, with the highest submitted_at key. An endpoint is giving me back historical information…
I'm writing a bash script that populates a configuration file and it needs to get the Java version and vendor. I read that the best way to get the Java vendor is to run java -XshowSettings:properties -version. My plan is…
I have a sequence of folders containing mp4 files (one mp4 in one folder). Folders are numbered sequentially like this example: .. .. 18. Lesson 18 - Sketching a design to cut out 19. Lesson 19 - How to create…
I am currently working with i3 and would like to parse the visible workspaces with i3-msg -t get_workspaces, to "save the workspace" and return to them when my pomodoro break is over, problem is I've never worked with json in…
I'm trying to run a command at the command prompt and if one of the values includes a single quote it doesn't run correctly. The command I'm using is : lxc-attach -n test -- bash -c 'echo 'abcd1234' > /home/rocket/test.log'…
I have an Azure KeyVault that contains a secret, let's call it "test1". I have an Azure DevOps release pipeline that runs 2 bash scripts. One inline, the other file based. The inline script has no input argument, because it…
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…
I am measuring the command duration by the tool time, but the result of the command is hidden. For example I am measuring the duration of find or ls and I see the duration, but not a list of files.…
Im using ubuntu to store JSON-encoded text into a environment variable like this: ~ test='{"test": { "mmm":"432"}}' ~ echo $test {"test": { "mmm":"432"}} how can i access the key "test" to print {"mmm":"432"}? something like ~ test='{"test": { "mmm":"432"}}' ~…