Difference between revisions of "Modem.isOpen"

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m (Fixed variable types, expanded the example)
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{{Function
 
{{Function
 
|name=modem.isOpen
 
|name=modem.isOpen
|args={{type|int}} channel
+
|args={{type|number}} channel
|returns={{type|bool}} isOpen
+
|returns={{type|boolean}} is channel open?
 
|api=Modem
 
|api=Modem
 
|addon=ComputerCraft
 
|addon=ComputerCraft
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|examples=
 
|examples=
 
{{Example
 
{{Example
|desc=Checks whether the computer is listening on this channel.  
+
|desc=Checks whether the computer is listening on channel 5.  
|code=modem.isOpen(1)
+
|code=<pre>if modem.isOpen(5) then
 +
  print("The computer is listening on channel 5.")
 +
else
 +
  print("The computer is not listening on channel 5.")
 +
end</pre>
 +
|output=Weather or not channel 5 is open.
 
}}
 
}}
 
}}
 
}}
  
 
[[Category:API_Functions]]
 
[[Category:API_Functions]]

Revision as of 14:12, 8 April 2014

Grid Redstone.png  Function modem.isOpen
Checks whether or not a certain channel is open.
Syntax modem.isOpen(number channel)
Returns boolean is channel open?
Part of ComputerCraft
API Modem

Examples

Grid paper.png  Example
Checks whether the computer is listening on channel 5.
Code
if modem.isOpen(5) then
  print("The computer is listening on channel 5.")
else
  print("The computer is not listening on channel 5.")
end
Output Weather or not channel 5 is open.