Re: Most efficient way to recognize a line by its first (up to) three characters
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- Subject: Re: Most efficient way to recognize a line by its first (up to) three characters
- From: Luiz Henrique de Figueiredo <lhf@...>
- Date: 2014年3月11日 15:59:33 -0300
> Suppose I have one character code like this
>
> A;0000;0000;0000 ("0"s is data)
Now that you've given us a sample of the input, the solution is easier:
... read line
local prefix,info=line:match("(.-);(.*)$")
local h=handlers[p[prefix] or badprefix
h(prefix,info)
and register handlers for "A", "AB", "ABC", etc.