added remove and dir functionality to pkg

exec/pkg.lua

@@ -1,10 +1,14 @@
 local tA = {...}
-local rf = tA[1]
+local rf = tA[2]
 local wget = wget or loadfile("/boot/exec/wget.lua")
 if not wget then
  print("wget is required to run this program")
 elseif rf and pcall(fs.exists,rf) then
- local pref = tA[2] or "/boot/"
+ local pref = tA[3] or "/boot/"
+ local mode = "install"
+ if tA[1]:sub(1,1) == "r" then
+  mode = "remove"
+ end
  local files = {}
  local lrf = "/tmp/rf.txt"
 
@@ -32,6 +36,10 @@ elseif rf and pcall(fs.exists,rf) then
  local function dl(p,u)
   if u:sub(1,8) == "https://" or u:sub(1,7) == "http://" then
    wget(u,pref..p)
+  elseif u == "dir" then
+   fs.mkdir(pref..p)
+  else
+   fs.cp(u,pref..p)
   end
  end
 
@@ -45,13 +53,21 @@ elseif rf and pcall(fs.exists,rf) then
  if not f then return false, "no recipe" end
  files=precipe(f:read("*a"))
  f:close()
- local count = 1
  local total = #files
 
+ print(mode.." the following files to "..pref.."?")
+ for k,v in ipairs(files) do io.write(v[2].." ") end
+ io.write("\n[yN] ")
+ local c = io.read():lower():sub(1,1)
+ if c ~= "y" then return false, "aborted" end
+
  for k,v in ipairs(files) do
-  print(tostring(count).."/"..tostring(total)..": "..pref..v[2])
+  print(tostring(k).."/"..tostring(total)..": "..pref..v[2])
+  if mode == "install" then
    dl(v[2],v[1])
-  count=count+1
+  elseif mode == "remove" then
+   fs.rm(pref..v[2])
+  end
  end
 end