Difference between revisions of "Modem.isOpen"
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{{Function | {{Function | ||
| − | |name=modem.isOpen | + | |name=''modem''.isOpen |
|args={{type|number}} channel | |args={{type|number}} channel | ||
|returns={{type|boolean}} is channel open? | |returns={{type|boolean}} is channel open? | ||
| Line 9: | Line 9: | ||
{{Example | {{Example | ||
|desc=Checks whether the computer is listening on channel 5. | |desc=Checks whether the computer is listening on channel 5. | ||
| − | |code= | + | |code= local modem = [[peripheral.wrap]]("top") |
| − | + | ||
| − | else | + | if '''modem.isOpen(5)''' then |
| − | + | print("The computer is listening on channel 5.") | |
| − | end | + | else |
| + | print("The computer is not listening on channel 5.") | ||
| + | end | ||
|output=Whether or not channel 5 is open. | |output=Whether or not channel 5 is open. | ||
}} | }} | ||
Latest revision as of 17:48, 10 April 2014
 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
 Example | |
| Checks whether the computer is listening on channel 5. | |
| Code |
local modem = peripheral.wrap("top") 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 | Whether or not channel 5 is open. |
