59 lines
1.6 KiB
Bash
59 lines
1.6 KiB
Bash
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EXEC_SHELL_PATH=$(command -v bash)
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lua=$(which lua)
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pid=$$
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"$lua" <<EOF
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-- Set the directory containing the wallpapers
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local wallpaper_dir = "~/wallpapers"
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-- Get a list of all files in the directory
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local files = {}
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for file in io.popen("find " .. wallpaper_dir .. " -type f -print0 | xargs -0 -I {} echo {}"):lines() do
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table.insert(files, file)
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end
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print("Files:")
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for i, file in ipairs(files) do
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print(file)
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end
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-- Create a pid file to store the process ID
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local pid_file = "/tmp/wallpapers.pid"
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local pid = io.open(pid_file, "w")
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pid:write(tostring($pid))
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pid:close()
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-- Set the process name
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local cmdline_file = "/proc/$pid/comm"
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local cmdline = io.open(cmdline_file, "w")
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cmdline:write("wallpapers")
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cmdline:close()
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while true do
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-- Read true random data from /dev/random
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local random_file = io.open("/dev/random", "rb")
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local random_bytes = random_file:read(4)
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random_file:close()
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-- Convert the random bytes to a Lua number
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local random_number = 0
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for i = 1, #random_bytes do
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random_number = random_number * 256 + string.byte(random_bytes, i)
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end
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-- Use the random number to select a wallpaper
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local wallpaper_index = random_number % #files + 1
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local random_wallpaper = files[wallpaper_index]
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print("Random wallpaper:", random_wallpaper)
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-- Set the wallpaper with feh, escaping the filename properly
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local command = "feh --bg-fill '" .. random_wallpaper:gsub("'", "'\\''") .. "'"
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os.execute(command)
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-- Wait 30 seconds before changing the wallpaper again
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os.execute("sleep 30")
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end
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EOF
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