lua: Can I use string to use variable?

Question

I want string to use variable.

variable1 = "Hello"
a = "variable" .. 1
print(a)

but it printed variable1 (of cource),
Can I print "Hello"(variable1) using variable a?

print('"Hello"(' .. a .. ')') if that is not what you want you should improve your question. — Piglet
– Piglet, Commented Jul 11, 2022 at 4:52

Cubic · Accepted Answer · 2022-07-10 17:58:57Z

3

Yes, this is exactly what tables are for - you can just rewrite your code as

local variables = {}
variables.variable1 = "Hello"
local a = "variable" .. 1
print(variables[a]) -- prints Hello

In fact, global variables (as in your example you seem to be using) are already stored in a table called _G (the global table), so in your example this would work:

variable1 = "Hello"
a = "variable" .. 1
print(_G[a])

answered Jul 10, 2022 at 17:58

Cubic

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2 Comments

Piglet Over a year ago

I don't see the relation between the question and your answer.

Cubic Over a year ago

@Piglet Judging from your comment on the question, I'd chalk that up to you misreading the question.

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