css.css

ul { padding: 0; margin: 0; }
li { list-style-type: none; font-family: sans-serif; padding: 0 1em; line-height: 2em;}
li:hover { background-color: #f95; }
.name { font-weight: bold;}
.type { opacity: 0.5; padding: 0 1em;}
.title { margin: 0.5em; font-size: 2em; }
.code { font-size: 16px; padding: 1em; font-family: "Ubuntu Mono", "DejaVu Sans Mono", "Liberation Mono", monospace;}

js.js

console.log(agent);
var $ = {};

agent.container.appendChild(domBuilder([
  ["ul$list", {onclick: onClick}],
  [".title$name"],
  [".code$data"]
], $));

agent.scan(onEntry)();

function onEntry(name, type) {
  $.list.appendChild(domBuilder(
    ["li", {
      "data-name": name,
      "data-type": type,
    },
      ["span.name",name],
      ["span.type",type],
    ], $));
}

function onClick(evt) {
  agent.doStuff("/dev/sda1")(function (err, data) {
    if (err) { throw err; }
    console.log(data);
  });
  var target = evt.target;
  while (target.tagName !== 'LI') {
    target = target.parentNode;
    if (!target) { return; }
  }
  var name = target.dataset.name;
  var type = target.dataset.type;
  if (type === "file") {
    agent.read(name)(function (err, data) {
      if (err) { throw err; }
      $.name.textContent = name;
      $.data.textContent = "";
      $.data.appendChild(domBuilder(
        ["pre",
          ["code", data]
        ]
      ));
      // console.log(name, data);
    });
  }
}

lua.lua

local root = "."
local exports = {}

-- some sample lua functions using callbacks to return values
function exports.scan(callback)
  return scandir(root, callback)
end

function exports.read(name)
  return readfile(root .. "/" .. name)
end

function exports.doStuff(fsSearch)
  -- ok so we need to get the mounted dir from the mount name
  local temp = exec("grep", {args={"-E", fsSearch}}, 
    exec("df", {args={"-h"}}, "")
  )
  print(temp)
  
  local base = string.match(temp, "/%a+")
  print(base)
  local stat, err = pcall(writefile, base.."/testFile","")
  
  if err then
    print("we had issues writing to this location")
    print(exec("umount", {}, fsSearch))
    print(exec("fsck", {}, ""))
    mkdir("/mnt/cbsvolume")
    exec("mount", {args={fsSearch}}, "/mnt/cbsvolume")
  end
  
  if(err and stat) then
    print("failed to write the file")
    --exec("unmount", {}, fsSearch)
    
    --exec("fsck",{},"") -- we very well might need to stream these results back and ask the user to do something about it
    
    --wait for solution to above
    
    --mkdir("/mnt/cbsvolume")
    --exec("mount", {args={fsSearch}}, "/mnt/cbsvolume")
    
    
  end
  
  
  -- lets split on whitespace and get the 1st and 5th values. 
  --temp = string.match(temp, "%d+%%")
  --temp = exec("awk", {args={"print $5, $1"}}, temp)
  print(temp)
  
  return temp
end

exports.exec = exec

return exports