Difference between revisions of "Read"
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| − | + | {{lowercase}} | |
| + | {{Function | ||
| + | |name=read | ||
| + | |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= | ||
| + | |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 = "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 | ||
| + | <nowiki>*******</nowiki> | ||
| + | Password is correct. Access granted. or Password is incorrect. Access denied. | ||
| + | }} | ||
| + | }} | ||
| + | |||
| + | [[Category:Tutorials]] | ||
Latest revision as of 17:26, 24 August 2016
 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
 Example | |
| Prints what the user wrote. | |
| Code |
print (read()) |
| Output | Whatever the user wrote. |
| 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. |
