Re: What's wrong with my string.gsub()?

[KHMan <keinhong@...>]

On 1/3/2011 9:21 AM, Steve Litt wrote:
> [snip]
> 	str = string.gsub(str, v, response)
>
> ******************************************
> slitt@mydesk:~/ulua/program$ ./test.lua
> B4 , str=>mycommand %c%Carg please=>%% %b%Barg please=>%% %a%Aarg please=>%%
> final args
> Aarg please=>al
> %a%Aarg please=>%%
> al

v = "%a%Aarg please=>%%"
response = "al"

string.gsub() wants a pattern for the second operand. But you want 
to use v as a literal. So you need to escape those "%" (and 
perhaps other magic characters) and make gsub interpret v as a 
literal.

"%a%Aarg please=>%%" => "%%a%%Aarg please=>%%%%" (I think)

--
Cheers,
Kein-Hong Man (esq.)
Kuala Lumpur, Malaysia