<?xml version="1.0"?>
<api>
  <query-continue>
    <allpages gapcontinue="Recipes" />
  </query-continue>
  <query>
    <pages>
      <page pageid="556" ns="0" title="Read">
        <revisions>
          <rev contentformat="text/x-wiki" contentmodel="wikitext" xml:space="preserve">{{lowercase}}
{{Function
|name=read
|args= &lt;nowiki&gt;[&lt;/nowiki&gt; [[char (type)|char]] replacement &lt;nowiki&gt;[, &lt;/nowiki&gt;[[table (type)|table]] history &lt;nowiki&gt;[, &lt;/nowiki&gt;[[function (type)|function]] auto complete &lt;nowiki&gt;]]&lt;/nowiki&gt; &lt;nowiki&gt;]&lt;/nowiki&gt;
|api=
|returns=[[string (type)|string]] The user's input
|addon=ComputerCraft
|desc=Lets you get input of the user.
|examples=
{{Example
|desc=Prints what the user wrote.
|code=[[print]] (read())
|output=Whatever the user wrote.
}}
{{Example
|desc=Ask for a Password and lets the user enter it. The letters are hidden by '*'.
|code=local password = &quot;computercraft&quot;
 [[print]] (&quot;Enter Password&quot;)
 local input = read(&quot;*&quot;)
 if input == password then
  [[print]](&quot;Password is correct. Access granted.&quot;)
 else
  [[print]](&quot;Password is incorrect. Access denied.&quot;)
 end
|output=Enter Password
&lt;nowiki&gt;*******&lt;/nowiki&gt;
Password is correct. Access granted. or Password is incorrect. Access denied.
}}
}}

[[Category:Tutorials]]</rev>
        </revisions>
      </page>
      <page pageid="423" ns="0" title="Receiving a rednet message through os.pullEvent()">
        <revisions>
          <rev contentformat="text/x-wiki" contentmodel="wikitext" xml:space="preserve">The following method is a good method of receiving a [[Rednet_(API)|rednet]] message without using rednet.receive().
It is usually used in IRC, Chat programs e.t.c.
When a message arrives to a computer, a &quot;rednet_message&quot; event occurs.  
== The Code ==
This is a typical Listener which prints the content and the sender id of any incoming message.
 for n,m in ipairs(rs.getSides()) do rednet.open(m) end -- Opens all rednet sides.
 while true do
   local event, id, text = os.pullEvent()
   if event == &quot;rednet_message&quot; then
     print(id .. &quot;&gt; &quot; .. text)
   end
 end

== Explanation ==
 for n,m in ipairs(rs.getSides()) do rednet.open(m) end
Here we just open all sides for rednet processing.

 while true do
We start a loop because os.pullEvent() terminates itself after 10 seconds.

 local event, id, text = os.pullEvent()
We wait for an event to occur and when this happens, we store the event's info into 3 variables.
NOTE: You can give your variables whichever name you want.

 if event == &quot;rednet_message&quot; then
We check if the event was a rednet message.

 print(id .. &quot;&gt; &quot; .. text)
We print the message and the id of the sender.

 end
 end
We close our previous statements.

=== Security ===
Beware that rednet is not secure on its own, with easily exploitable vulnerabilities that allow hackers to hack your networks into pieces--through attacks like wiretapping, spoofing, forgery, overloading, and many more. Be sure to add your own security when using rednet.

[[Category:Tutorials]]</rev>
        </revisions>
      </page>
    </pages>
  </query>
</api>