Re: line parsing in lua

[Max Ischenko <max@...>]

	Hi there, Tomas!
	On Tuesday, 12 of December you wrote:

> > I'm trying to implement line parsing in Lua.
> > Line syntax is similar to shell one, where double quotes protect words in
> > them to be splitted.
> > 
> > <word> [<word> <"word with spaces"> ...]
> > 
> > I want to parse the line into Lua table where fields are line words.
> > For example:
> > 
> > cmd first-arg "second arg" 3
> > 
> > should be converted into table t
> > t.1 = 'cmd' t.2 = 'first-arg', t.3='second arg', t.4='3'
> > 
> 	You can substitute spaces between a pair of `"' by another character
> then split the string using spaces as separators and reconstructing the
> original spaces:
> 
> function parse (s)
>     local t = {}
>     s = gsub(s,'"([^"]*)"',function(str) return gsub(str,' ','\1') end)
>     s = gsub(s,'(%S+)', function (str)
>         local s=gsub(str,'\1',' ')
>         tinsert(%t,s)
>     end)
>     return t
> end
> 

Tnx, that was exactly what I wanted.

BTW, \1 is octal \001?


-- 
Best regards, Maxim F. Ischenko.