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Bash Scripting Patterns and Practical Recipes/Parse short options with getopts

Parse short options using the getopts builtin.

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Section: Script Structure

Parse short options with getopts

bash
bash
while getopts ':f:o:v' opt; do
  case $opt in
    f) file=$OPTARG ;;
    o) output=$OPTARG ;;
    v) verbose=1 ;;
    \?) echo "invalid option: -$OPTARG" ;;
  esac
done
Explanation

Good for POSIX-style short flags in shell scripts.

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