#!/bin/sh

# Set images as background with feh.

# Get absolute path of file.
if ! file="$(realpath "$1" 2> /dev/null)"; then
	echo "Usage: setbg <file>"
	exit 0
fi

# Check if file is an image.
case "$(file -bi "$file")" in
	image/*)
		;;
	*)
		echo "setbg: invalid file operand" 1>&2
		exit 1
		;;
esac

printf -- "#!/bin/sh\n\n" > "$HOME/bin/bg"
printf -- "feh --no-fehbg --bg-scale %s\n" "$file" >> "$HOME/bin/bg"
chmod 755 "$HOME/bin/bg"

sh "$HOME/bin/bg"
exit 0