On 3/19/2017 4:51 PM, Thomas A. Schmitz wrote:

On 19.03.2017 16:30, Otared Kavian wrote:

...

I would like to print in a text the values of a array computed in a \startluacode …. \stopluacode combination. How can I do it properly? Please have a look at the example below and its output, which is not satisfactory because the right parenthesis is separated from the number by a space. How can I suppress this unwanted space? For instance I get (1, 103 ) instead of (1, 103).

Otared,

is there a reason why you don't use context(vecteurY[i]) and context(vecteurX[i])? This gets rid of the spurious space for me (and makes your code more consistent). But I assume you must have tried it because you use the "context" command in other places of your lua code.

always try to use the context command because it deals with catcodes and is more robust than a tex.(s)print Hans ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl -----------------------------------------------------------------

Hi Pablo, Thanks for your answer: actually I did not know that it is possible to concatenate so easily in lua… Your solution is indeed simpler than what I did and solves also the problem of the spurious space before the closing parenthesis. Best regards: OK

On 19 Mar 2017, at 16:56, Pablo Rodriguez wrote:

On 03/19/2017 04:30 PM, Otared Kavian wrote:

...

Hi,

I would like to print in a text the values of a array computed in a \startluacode …. \stopluacode combination. How can I do it properly? Please have a look at the example below and its output, which is not satisfactory because the right parenthesis is separated from the number by a space. How can I suppress this unwanted space? For instance I get (1, 103 ) instead of (1, 103).

Hi Otared,

is there any reason not to use the following instead of your way below?

for i = 1,n do tex.print("(" .. vecteurX[i] .. ", " .. vecteurY[i] .. ")\\par") end

...

for i = 1,n do context("(") tex.print(vecteurX[i]) context(", ") tex.print(vecteurY[i]) tex.print(")") context.par() end

I think this is shorter and clearer (to me, at least).

Just in case it helps,

Pablo -- http://www.ousia.tk ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki!

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Otared Kavian mailto:otared@gmail.com 19. März 2017 um 17:46via Postbox https://www.postbox-inc.com/?utm_source=email&utm_medium=sumlink&utm_campaign=reach Hi Aditya,

Thanks, as Thomas, Pablo and you mentioned the right way is to use context() instead of tex.print() Actually I just saw that one can also concatenate with context() as in:

context("(" .. vecteurX[i] .. ", " .. vecteurY[i] .. ")\\par")

which is equivalent to tex.print("(" .. vecteurX[i] .. ", " .. vecteurY[i] .. ")\\par") You can use the string.formatters function for this.

\starttext \startluacode local string_a = "12" local string_b = "23" context(string.formatters["(%s,%s)"](string_a,string_b)) \stopluacode \stoptext Wolfgang

On 3/19/2017 5:56 PM, Wolfgang Schuster wrote:

...

Otared Kavian mailto:otared@gmail.com 19. März 2017 um 17:46via Postbox https://www.postbox-inc.com/?utm_source=email&utm_medium=sumlink&utm_campaign=reach Hi Aditya,

Thanks, as Thomas, Pablo and you mentioned the right way is to use context() instead of tex.print() Actually I just saw that one can also concatenate with context() as in:

context("(" .. vecteurX[i] .. ", " .. vecteurY[i] .. ")\\par")

which is equivalent to tex.print("(" .. vecteurX[i] .. ", " .. vecteurY[i] .. ")\\par") You can use the string.formatters function for this.

\starttext

\startluacode

local string_a = "12" local string_b = "23"

context(string.formatters["(%s,%s)"](string_a,string_b))

\stopluacode

\stoptext

\starttext \startluacode local string_a = "12" local string_b = "23" context("(%s,%s)",string_a,string_b) context.formatted.bold("(%s,%s)",string_a,string_b) \stopluacode \stoptext ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl -----------------------------------------------------------------