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#!/bin/sh
# This script does the following:
# Run by itself, set the wallpaper (at X start).
# If given a file, set that as the new wallpaper.
# If given a directory, choose random file in it.
# If wal is installed, also generates a colorscheme.
# Location of link to wallpaper link.
bgloc="${XDG_DATA_HOME:-$HOME/.local/share/}/bg"
trueloc="$(readlink -f "$1")" &&
case "$(file --mime-type -b "$trueloc")" in
image/* ) ln -sf "$(readlink -f "$1")" "$bgloc" && notify-send -i "$bgloc" "Changing wallpaper..." ;;
inode/directory ) ln -sf "$(find "$trueloc" -iregex '.*.\(jpg\|jpeg\|png\|gif\)' -type f | shuf -n 1)" "$bgloc" && notify-send -i "$bgloc" "Random Wallpaper chosen." ;;
*) notify-send "Error" "Not a valid image." ; exit 1;;
esac
# If pywal is installed, use it.
command -v wal >/dev/null 2>&1 &&
wal -i "$trueloc" -o "${XDG_CONFIG_HOME:-$HOME/.config}/wal/postrun" >/dev/null 2>&1 &&
pidof dwm >/dev/null && xdotool key super+F12
xwallpaper --zoom "$bgloc"
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