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string.char() function in Lua programming
There are so many scenarios where you might want to convert a decimal value into a character representation. The character representation of a decimal or integer value is nothing but the character value, which one can interpret using the ASCII table.
In Lua, to convert a decimal value to its internal character value we make use of the string.char() function.
Syntax
string.char(I)
In the above syntax, the identifier I represents the decimal value which we want to convert into a character.
Example
Let’s consider a very simple example, where you are given different decimal values, and you want to convert them to a character value.
Consider the example shown below −
s = string.char(97) print(s) s = string.char(122) print(s) s = string.char(125) print(s)
In the above example, the values passed as argument to the string.char() function are decimal values that correspond to a character.
Output
a z }
The string.char() function can take multiple arguments as well.
Example
Consider the example shown below −
i = 97 s = string.char(i,i+1,i+2,i+3) print(s)
Output
abcd
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