Linux Basic — Dynamic Menus

Dynamic Menus

Dynamic menus generate options from the environment: files in a directory, installed plugins, or results from a command.

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Example: plugins from a directory

plugins=(/opt/plugins/*)
PS3='plugin> '
select p in "${plugins[@]}" "[Back]"; do
  [[ -n "$p" ]] || { echo "invalid"; continue; }
  [[ "$p" == "[Back]" ]] && break
  echo "selected plugin: $p"
done

Filter and format items before feeding them to select for a nicer UI.

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