Difference between revisions of "Read"

From ComputerCraft Wiki
Jump to: navigation, search
(Undo revision 3593 by 91.121.27.33 (talk))
(Add auto complete argument to accepted argument list)
 
(4 intermediate revisions by 3 users not shown)
Line 2: Line 2:
 
{{Function
 
{{Function
 
|name=read
 
|name=read
|args= [[char (type)|char]] to replace userinput with
+
|args= <nowiki>[</nowiki> [[char (type)|char]] replacement <nowiki>[, </nowiki>[[table (type)|table]] history <nowiki>[, </nowiki>[[function (type)|function]] auto complete <nowiki>]]</nowiki> <nowiki>]</nowiki>
 
|api=
 
|api=
 +
|returns=[[string (type)|string]] The user's input
 
|addon=ComputerCraft
 
|addon=ComputerCraft
 
|desc=Lets you get input of the user.
 
|desc=Lets you get input of the user.
Line 27: Line 28:
 
}}
 
}}
 
}}
 
}}
 +
 +
[[Category:Tutorials]]

Latest revision as of 17:26, 24 August 2016


Grid Redstone.png  Function read
Lets you get input of the user.
Syntax read([ char replacement [, table history [, function auto complete ]] ])
Returns string The user's input
Part of ComputerCraft
API none

Examples

Grid paper.png  Example
Prints what the user wrote.
Code
print (read())
Output Whatever the user wrote.



Grid paper.png  Example
Ask for a Password and lets the user enter it. The letters are hidden by '*'.
Code
local password = "computercraft"
print ("Enter Password")
local input = read("*")
if input == password then
 print("Password is correct. Access granted.")
else
 print("Password is incorrect. Access denied.")
end
Output Enter Password

*******

Password is correct. Access granted. or Password is incorrect. Access denied.