Are you sure that data is not nil here? If so, this function returns nil. dr. Hans van der Meer
> On 6 Dec 2018, at 11:20, Procházka Lukáš Ing. <l...@pontex.cz> wrote: > > Hello, > > I'm using the following code, mentioned here some time ago, to get some info > about PDF: > > ---- > \startluacode > figures.getinfo = function(name, page) > if type(name) == "string" then > name = { name = name, page = page } > end > if name.name then > local data = figures.push(name) > > --figures.identify() > local ok, res = pcall(figures.identify) > print(">>1", ok, res) > > --figures.check() > local ok, res = pcall(figures.check) > print(">>2", ok, res) > > figures.pop() > return data > end > end > > local data = figures.getinfo("NonExisting.pdf") > > \stopluacode > ---- > > The problem is that once the PDF file doesn't exist, the function causes > ConTeXt to exit, even when I enclose 'figure.check()' into the 'pcall' (to be > handled like try/catch mechanism). > > Is there a way so that the function 'figures.getinfo()' does't exit ConTeXt, > it just returns 'nil', or even gives info which directories (or even which > file types) were searched? > > TIA. > > Best regards, > > Lukas > > > -- > Ing. Lukáš Procházka | mailto:l...@pontex.cz > Pontex s. r. o. | mailto:pon...@pontex.cz | http://www.pontex.cz | IDDS: > nrpt3sn | IČO: 40763439 > Bezová 1658 > 147 14 Praha 4 > > Mob.: +420 702 033 396 > > ___________________________________________________________________________________ > If your question is of interest to others as well, please add an entry to the > Wiki! > > maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context > webpage : http://www.pragma-ade.nl / http://context.aanhet.net > archive : https://bitbucket.org/phg/context-mirror/commits/ > wiki : http://contextgarden.net > ___________________________________________________________________________________
___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://context.aanhet.net archive : https://bitbucket.org/phg/context-mirror/commits/ wiki : http://contextgarden.net ___________________________________________________________________________________