bash Questions

Json – get a value with jq by matching one of parent value from a variable

February 7, 2023
Venu Reddy
2 Answers

I have JSON data as below, in services.json { "checkout-serviceA":{"prId":6644,"Sourcebranch":"","HFX":false,"IS_CR":"Yes"}, "checkout-serviceB":{"prId":15826,"Sourcebranch":"","HFX":false,"IS_CR": "no"}, "checkout-toggle":{"prId":8963,"Sourcebranch":"","HFX":true,"IS_CR": "Yes"}, "checkout-res":{"prId":1104,"Sourcebranch":"","HFX":false,"IS_CR": "Yes"} } I have a variable eg $PRID that contains prID value already. I want to pass this to jq and fetch or get an…

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Run a script on remote server with ssh password or key – Ubuntu

February 6, 2023
TheMan68
2 Answers

I'm trying to run a script on a remote server with either password credentials or .pem key access and I'm getting errors no matter which solution I've found etc. bash script content: #!/bin/bash sudo fdisk -l ssh -T -i "~/.ssh/keys/key.pem"…

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Interact with docker container in the middle of a bash script execution [in that container]

February 5, 2023
Nikita Ivushkin
2 Answers

I want to start a bunch of docker containers with a help of a Python script. I am using subprocess library for that. Essentially, I am trying to run this docker command docker = f"docker run -it --rm {env_vars} {hashes}…

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bash script to handle 9000 lines of text by groups of 25 – CentOS

February 4, 2023
Robert Dio
3 Answers

I have an input file with 9095 lines of text. I need to take this list of filenames and use them as input to an ffmpeg command. I really would like to avoid running it all at once (line by…

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Enter in information into terminal with BASH – Ubuntu

February 4, 2023
bbartling
3 Answers

I am working on trying to configure a Python based IoT platform on a Ubuntu 20.04 LTS edge device that requires a lot of redundant steps for entering information into the terminal. For example I have to run these two…

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Docker container with a shell script ignores SIGTERM

February 2, 2023
kiler129
2 Answers

I have a very simple Docker container which runs a bash script: # syntax=docker/dockerfile:1.4 FROM alpine:3 WORKDIR /app RUN apk add --no-cache curl bash sed uuidgen COPY demo.sh /app/demo.sh RUN chmod +x /app/*.sh CMD ["bash", "/app/demo.sh"] #!/bin/bash echo "Test 123.."…

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Bash: Ignore key value pairs from a JSON that failed to parse using jq

February 2, 2023
Abhishek Chandran
4 Answers

I'm writing a bash script to read a JSON file and export the key-value pairs as environment variables. Though I could extract the key-value pairs, I'm struggling to skip those entries that failed to parse by jq. JSON (key3 should…

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Calling python script from bash script and getting it's return value – Ubuntu

February 1, 2023
Aenye_Cerbin
2 Answers

I've bash script doing some tasks but I need to manipulate on string obtained from configuration (for simplification in this test it's hardcoded). This manipulation can be done easily in python but is not simple in bash, so I've written…

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How to dynamically update one json object and put it back into the original json objects?

January 31, 2023
devops-admin
2 Answers

How to dynamically update one JSON object and put it back into the original JSON objects variable? I have one variable with the following JSON data in it. test='[ { "Name": "James", "Mobile": 12345678, "Gender": "Male", "Boolean": true, "Pet": "cat"…

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How to find out all <a> tag links and names from html file – Ubuntu

January 31, 2023
stackbiz
2 Answers

Here is a test file contains links and names within the <a></a> tags. /tmp/test_html.txt <tr> <td><a href="http://www.example.com/link1">example link 1</a></td> </tr> <tr> <td><a href="http://www.example.com/link2">example link 2</a></td> </tr> <tr> <td><a href="http://www.example.com/link3">example link 3</a></td> </tr> <tr> <td><a href="https://www.example.com/4/0/1/40116601-1FDC-real-world-link/bar" target="_blank" class="real-world-class">Real World Link</a> </td> </tr>…

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