dotfiles/bin/random_wallpaper
2019-10-03 22:56:50 +02:00

50 lines
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#!/usr/bin/env bash
# random_wallpaper
#
# Requirement: feh (apt install feh)
directory="$HOME/wallpapers"
minutes=15
# Some tests
if [ -z "`which feh`" ]; then
echo "This script needs the feh program. Install it."
i exit 1
fi
if [ -d '$directory' ]; then
echo "No $directory found."
exit 1
fi
IFS="
"
array_files=($(ls -1 $directory))
nb_files=`ls $directory|wc -l`
if [ $nb_files == 0 ]; then
echo "$nb_files files in $directory"
exit 1
fi
# initialisation
seconds=$[ $minutes * 60 ]
while true; do
# Random number generator (not more than files number)
NUMBER=$[ ( $RANDOM % $nb_files ) ]
# Change background
file="${array_files["$NUMBER"]}"
feh --bg-fill "$directory/$file"
# Wait some times
sleep $seconds
done
exit 0