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text:sub(1,7), what do the digits mean ?

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28.12.12 20:29:46

Hello guys,

I am making a script while i'm learning in other Lua scripts.
I saw this in another script, but what are the digits telling me?

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if text:sub(1,7)=="!unmute" then
if text:sub(1,5)=="!kick" then

Thanks for helping.

1× editiert, zuletzt 10.11.15 17:54:00

Flacko
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28.12.12 20:36:02

Alistaire
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28.12.12 21:57:09

Look:

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a = 'helloASKSKJGDJAGHJKQGJKQ'
print a:sub(1,5)

> hello

print a:sub(1,10)

> helloASKSK

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28.12.12 23:07:03

Thank you Flacko and Allistaire.

Yates
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29.12.12 01:55:42

The first and last letter of the command (In this case) that must be typed to then do something.