Added virtual sheel structure

scripts/libs/vshell.inc.src

+"#import utils.inc.src"
+
+imports.vshell = {}
+
+imports.vshell.EXIT = "exit"
+
+imports.vshell.constrs = {}
+
+imports.vshell.constrs.shell = function(object)
+    result = {}
+    
+    result.heart = object
+    
+    result.start_terminal = function (object)
+        while true
+            print("Please enter a command:"+char(10))
+            command = user_prompt()
+            if command == imports.vshell.EXIT then break
+            imports.vshell.cmds[command](self)
+        end while
+    end function
+    
+    return result
+end function
+
+imports.vshell.init = function(object)
+    type = typeof(object)
+    if type != "computer" and type != "file" and type != "shell" then return null
+    return imports.vshell.constrs.shell(object)
+end function
+
+imports.vshell.run = function(object)
+    imports.vshell.init(object).start_terminal()
+end function
+
+imports.vshell.cmds = {}
+
+imports.vshell.cmds.help = function(shell)
+    names = ["exit"]
+    for name in imports.vshell.cmds.values
+        names.put(name)
+    end for
+    return names
+end function
+
+imports.vshell.cmds.cd = function(shell)
+end function
+
+imports.vshell.cmds.read = function(shell)
+end function
+
+imports.vshell.cmds.get = function(shell)
+end function
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