El jueves, 30 de octubre de 2014 09:11:08 UTC-6, Martin Klein escribió:
>
>
>
> Am Donnerstag, 30. Oktober 2014 14:42:28 UTC+1 schrieb Daniel Carrera:
>>
>> How about this macro:
>>
>> macro run(file, args...)
>> return esc(:(ARGS = $args; include($file)))
>> end
>>
>> For example:
>>
>> ---------------------------------------------
>> $ cat ./test.jl
>> #!/usr/bin/julia
>>
>> for a in ARGS
>> println(a)
>> end
>>
>> $ julia
>> ...
>> julia> macro run(file, args...)
>> return esc(:(ARGS = $args; include($file)))
>> end
>>
>> julia> @run "test.jl" 1 2 3 4
>> 1
>> 2
>> 3
>> 4
>> ---------------------------------------------
>>
>> Does that do what you want?
>>
>
> Yes, almost. Thank you for this nice small solution. I still have to
> enclose most of the arguments with quotation marks though, which is a minor
> annoyance. I'm quite sure that one could extend the macro to automatically
> convert all given arguments to strings.
>
I think the following should do the trick:
macro run(file, args...)
return esc(:(ARGS = map(string, $args); include($file)))
end
David
> When I find the time for it I will use this as an excuse to finally try to
> learn Julia's metaprogramming capabilities.
>
> I would also suggest that something like that should be added to Base.
>
> Thanks!
> Martin
>
>
>>
>> Cheers,
>> Daniel.
>>
>> On Thursday, 30 October 2014 10:22:59 UTC+1, Martin Klein wrote:
>>>
>>> Hi,
>>>
>>> when using Python I usually execute my programs within IPython by using
>>> the %run command, which executes a given script with the given arguments,
>>> but keeps all of the defined variables in the namespace after execution.
>>> Unfortunately, I couldn't find any fully equivalent command for the Julia
>>> REPL. I know about include(), but I couldn't figure out how to give command
>>> line arguments to the script, which I want to run (i.e. the stuff which is
>>> saved in the ARGS array).
>>>
>>> Additionally, IPython provides the handy %pdb command, which
>>> automatically opens the ipython debugger when an exception is thrown (i.e.
>>> it's an exception breakpoint). This is also a very nice feature to quickly
>>> investigate errors. I know that Julia doesn't have a full-blown debugger
>>> yet (besides debug.jl), but nevertheless this would be a nice future
>>> feature for the REPL once there is a Julia debugger.
>>>
>>> Alternatively, I would be interested in your current first-run-and-debug
>>> workflow. I like to write my code in vim but ifter execution I want to
>>> directly investigate the state of my program using the REPL.
>>>
>>> Best,
>>> Martin
>>>
>>
