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#!/bin/bash
# Reads a given directory and set a random
# wallpaper using the images on that dir.
[ -x /usr/bin/convert ] || exit 1
[ -x /usr/bin/feh ] || exit 1
if [ -d "${WALLPAPERDIR}" ]; then
files=$(ls "${WALLPAPERDIR}")
file_matrix=($files)
num_files=${#file_matrix[*]}
file="${WALLPAPERDIR}/${file_matrix[$((RANDOM%num_files))]}"
else
file = ${FVWM_USERDIR}/images/default_wall.jpg
fi
convert "${file}" -resize `xdpyinfo |grep dimensions|awk '{print $2}'` "${FVWM_USERDIR}/tmp/current_wall.png"
feh --bg-center "${FVWM_USERDIR}/tmp/current_wall.png"
FvwmCommand Refresh
exit 0
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