Collection of commands and utilities for quick look-up

Published on 2021-02-04

Cleaning resources in kubernetes namespace:

kubectl get pods -n mynamespace --no-headers=true | awk '/pattern1|pattern2/{print $1}' | xargs kubectl delete -n mynamespace pod

Source

Yes/no prompt in bash.

This snippet will give a yes/no prompt if INPUT_PATH variable is a directory.

if [ -d "$INPUT_PATH" ]; then
  read -r -p "Given path is a directory. Continue? [Y/n] " input
  case $input in
      [yY][eE][sS]|[yY])
  echo "Yes"
  # add commands that you want to run when user says yes here
  ;;
      [nN][oO]|[nN])
  echo "No"
  echo "Aborting"
  exit 0
  ;;
      *)
  echo "Invalid input..."
  exit 1
  ;;
  esac
fi

Convert an image from HEIC format to JPG format.

Use convert command from imagemagick.
```
magick convert foo.HEIC foo.jpg
```
Source
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