depman

local args = {...}
local files = {}
local function pUsage()
error("Usage: depman pack <dir> <output file> || depman unpack <depman output file> <optional -o (forces overwrites)>")
end
if not args[1] then
pUsage()
elseif not args[2] then
pUsage()
end
if args[1] == "pack" then
  if fs.isDir(args[2]) then
    for k,v in pairs(fs.list(args[2])) do
      files[v] = fs.open(args[2].."/"..v,"r").readAll()
    end
    if not args[3] then
    pUsage()
    end
    local output = fs.open(args[3],"w")
    output.write(textutils.serialise(files))
    output.flush()
    output.close()
  end
elseif args[1] == "unpack" then
  if fs.exists(args[2]) then
    local a = fs.open(args[2],"r")
    local R = textutils.unserialise(a.readAll())
    a.close()
    for k,v in pairs(R) do
      if args[3] == "-o" or not fs.exists(k) then
          if fs.exists(k) then
            fs.delete(k)
          end
          output = fs.open(k,"w")
          output.write(v)
          output.flush()
          output.close()
      elseif fs.exists(k) and args[3] ~= "-o" then
      error("File already exists | Run with '-o' to force overwrite")
      end
    end
    fs.delete(args[2])
  end
else
pUsage()
end