Reads shell commands from an ini file and displays a dialog box allowing a user to select and execute any of the comands.

zenneby.sh

#!/bin/bash
# github.com/projectivemotion
#
# This script displays a listbox and allows a user
# to select and execute any of the commands from a given
# ini file. (run.ini)
#

cd $(dirname "$0")


function read_ini(){
	if [ ! -f ./run.ini ] ; then
		cat << EOF > ./run.ini
[hello-from-zenity]
run=zenity --info --text "Hello from Zenity"
title="Zenity"
[gedit]
run=gedit run.ini
title="Edit run.ini"
[sleep]
run=sleep 5
title="Sleep for 5 seconds"
EOF
	fi

	section=""
while IFS='=]' read vleft vright
do
	if [[ $vleft == \[* ]] ; then
		section=${vleft/[/}
		sections+=("$section")
	elif [[ $vright ]] ; then
		todeclare="section_${section}_$vleft"
		vars[$todeclare]="$vright"
	fi
done < ./run.ini
}

which zenity 2>&1 >/dev/null
if [[ 1 -eq $? ]] ; then
	echo "Please install zenity."
	exit 1
fi

exitnow=0
while [[ 0 -eq $exitnow ]]; do

declare -a sections
declare -A vars
read_ini

	declare -a rows
	for section in "${sections[@]}" ; do
		run="section_${section}_run"
		title="section_${section}_title"
		rows+=("$section" "${vars[$title]}" "${vars[$run]}")
	done

	chosen=$(zenity --height 300 --width 800 --list \
  --title="Choose the command you wish to execute." \
  --column="Section" --column="Title" --column="Cmd" \
  --print-column=3 \
  "${rows[@]}")
	exitnow=$?
	
	if [[ 0 -eq $exitnow ]] ; then
		echo $(date): $chosen
		eval $chosen
	fi
	unset rows sections vars
done