[NTG-context] Test for existence of a Ctx buffer by Lua
Hello, how to test by Lua whether a Ctx buffer exists? --- \startbuffer[A] Aaa aaa \stopbuffer \starttext \getbuffer[A] Test %\getbuffer[NonExisting] Vvv \stoptext --- To get something like 'context.buffers.A' - no-nil and 'context.buffers.NonExisting' - nil? Best regards, Lukas -- Ing. Lukáš Procházka [mailto:l...@pontex.cz] Pontex s. r. o. [mailto:pon...@pontex.cz] [http://www.pontex.cz] Bezová 1658 147 14 Praha 4 Tel: +420 244 062 238 Fax: +420 244 461 038 ___ 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://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
Re: [NTG-context] Test for existence of a Ctx buffer by Lua
On 28-1-2011 3:13, Procházka Lukáš Ing. - Pontex s. r. o. wrote: Hello, how to test by Lua whether a Ctx buffer exists? \doifelsebuffer --- \startbuffer[A] Aaa aaa \stopbuffer \starttext \getbuffer[A] Test %\getbuffer[NonExisting] Vvv \stoptext --- To get something like 'context.buffers.A' - no-nil and 'context.buffers.NonExisting' - nil? Best regards, Lukas -- - Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com | www.pragma-pod.nl - ___ 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://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___