Gettok: Difference between revisions

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#REDIRECT [[split]]
__NOTOC__
{{Server client function}}
This function splits a string using the given separating character and returns one specified substring.
 
==Syntax==
<syntaxhighlight lang="lua">
string gettok ( string text, int tokenNumber, string / int separatingCharacter )
</syntaxhighlight>
 
===Required Arguments===
*'''text:''' the string that should be split.
*'''tokenNumber:''' which token should be returned (1 for the first, 2 for the second, and so on).
*'''separatingCharacter:''' the [[ASCII|ASCII number]] representing the character you want to use to separate the tokens. You can easily retrieve this by running string.byte on a string containing the separating character.
 
===Returns===
Returns a [[string]] containing the token if it exists, ''false'' otherwise.
 
==Example==
<section name="Server" class="server" show="true">
This example retrieves the startskin and endskin for spawning a player from a string of two numbers "a,b"
<syntaxhighlight lang="lua">
-- Put the string with the skins in a variable. Normally you would read it from a .map file or something.
local skins = "20,30"
-- Get the startskin and endskin strings ("20" and "30" in this case)
local startskin = gettok ( skins, 1, ',')
local endskin = gettok ( skins, 2, ',' )
-- Get a random skin in the range
local skin = math.random ( tonumber(startskin), tonumber(endskin) )
</syntaxhighlight>
</section>
 
==See Also==
{{Utility functions}}

Latest revision as of 12:48, 20 February 2019

This function splits a string using the given separating character and returns one specified substring.

Syntax

string gettok ( string text, int tokenNumber, string / int separatingCharacter )

Required Arguments

  • text: the string that should be split.
  • tokenNumber: which token should be returned (1 for the first, 2 for the second, and so on).
  • separatingCharacter: the ASCII number representing the character you want to use to separate the tokens. You can easily retrieve this by running string.byte on a string containing the separating character.

Returns

Returns a string containing the token if it exists, false otherwise.

Example

Click to collapse [-]
Server

This example retrieves the startskin and endskin for spawning a player from a string of two numbers "a,b" 

-- Put the string with the skins in a variable. Normally you would read it from a .map file or something.
local skins = "20,30"
-- Get the startskin and endskin strings ("20" and "30" in this case)
local startskin = gettok ( skins, 1, ',')
local endskin = gettok ( skins, 2, ',' )
-- Get a random skin in the range
local skin = math.random ( tonumber(startskin), tonumber(endskin) )

See Also


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