Re: setting variable on cmd-line

[Hans Hagen <pragma@wxs.nl>]

Peter Münster wrote:
> On Mon, 21 Sep 2009, luigi scarso wrote:
> 
>>>>> test-file:
>>>>>
>>>>> \starttext
>>>>> Value of myVar: \ctxlua{tex.print(document.arguments["arguments=myVar"])}
>>>>> \stoptext
>>>>>
>>>>> cmd-line:
>>>>>
>>>>> context --arguments=myVar=myValue test
>>>>>
>>>>> But this syntax is very strange!
>>>> Does
>>>>  context --arguments="myVar=myValue" test
>>>> work too ?
>>> Yes, I'm using bash, so --arguments="myVar=myValue" is the same as
>>> --arguments=myVar=myValue
>>>
>>> That means, context does not see the quotes.
>> OK, in this way  syntax looks less strange
> 
> It's not the syntax of the cmd-line that looks strange, it's the syntax how
> to get the value of the variable:
> \ctxlua{tex.print(document.arguments["arguments=myVar"])}
> 
> I'm quite sure, that this is not Hans' intention.
> 
> As I've written yesterday, I suppose, that the following syntax is wanted:
> \getvariable{environment}{myVar}  but this does not work...
> 

how does it look with:

local flag, value = argument:match("^%-+(.-)=(.-)$")

.+ -> .-


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