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Print engine name/version

Wolfgang Schuster

20 Mar 2009 20 Mar '09

10:33 a.m.

Hi Hans, can you add command which will print the name (e.g. LuaTeX, pdfTeX ...) and version (e.g. 0.36.0) of the current used TeX engine. Wolfgang

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Peter Rolf

20 Mar 20 Mar

12:07 p.m.

Wolfgang Schuster schrieb:

Hi Hans,

can you add command which will print the name (e.g. LuaTeX, pdfTeX ...) and version (e.g. 0.36.0) of the current used TeX engine.

Hi Wolfgang, I think this should better be done by a command in pdftex/luatex. The 'Procucer' key is already set by pdftex/luatex, but sadly there is no access to this value for the user (although the same info is needed for the correspondent XMP entry in most of the PDF/X versions). Anyhow, this is what I currently use % extract /Producer info out of \pdftexbanner \def\pdftexproducer {\ifnum\contextmarkmode=4 LuaTeX\else pdfTeX\fi % starting with luatex version 0.35.0 it's 'LuaTeX' with uppercase 'L' (prior versions: 'luaTeX') \expandafter\dopdftexproducer\pdftexbanner @@@} \long\def\dopdftexproducer#1-#2-#3@@@% {-#2} Not nice, but working (with newer luatex versions). See comment... Best wishes, Peter

Wolfgang ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki!

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Taco Hoekwater

12:13 p.m.

Peter Rolf wrote:

Hi Wolfgang,

I think this should better be done by a command in pdftex/luatex.

No. All engines have multiple version commands already, I see absolutely no need for yet another version-related primitive. Best wishes, Taco

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Wolfgang Schuster

12:22 p.m.

On Fri, Mar 20, 2009 at 1:13 PM, Taco Hoekwater wrote:

Peter Rolf wrote:

...
Hi Wolfgang,

I think this should better be done by a command in pdftex/luatex.

No. All engines have multiple version commands already, I see absolutely no need for yet another version-related primitive.

I mean a command in ConTeXt, no primitive, something like this. \def\currentenginename {\ifcase\texengine \or pdfTex% \or XeTeX% \or LuaTeX% \fi} This document was produced with \currentenginename. Wolfgang

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Hans Hagen

12:30 p.m.

Wolfgang Schuster wrote:

On Fri, Mar 20, 2009 at 1:13 PM, Taco Hoekwater wrote:

...
Peter Rolf wrote:

...
Hi Wolfgang,

I think this should better be done by a command in pdftex/luatex. No. All engines have multiple version commands already, I see absolutely no need for yet another version-related primitive.

I mean a command in ConTeXt, no primitive, something like this.

\def\currentenginename {\ifcase\texengine \or pdfTex% \or XeTeX% \or LuaTeX% \fi}

This document was produced with \currentenginename.

ok, i added \def\currenttexenginename {\ifcase\texengine\or pdf\or Xe\or Lua\else no\fi\TeX} ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com | www.pragma-pod.nl -----------------------------------------------------------------

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Wolfgang Schuster

12:50 p.m.

On Fri, Mar 20, 2009 at 1:30 PM, Hans Hagen wrote:

ok, i added

\def\currenttexenginename {\ifcase\texengine\or pdf\or Xe\or Lua\else no\fi\TeX}

Can you also add \currenttexengineversion? Wolfgang

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Hans Hagen

1:10 p.m.

Wolfgang Schuster wrote:

On Fri, Mar 20, 2009 at 1:30 PM, Hans Hagen wrote:

...
ok, i added

\def\currenttexenginename {\ifcase\texengine\or pdf\or Xe\or Lua\else no\fi\TeX}

Can you also add \currenttexengineversion?

hm, that would be a pretty inconsistent thing, so it needs some testing Hans ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com | www.pragma-pod.nl -----------------------------------------------------------------

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Wolfgang Schuster

4:21 p.m.

On Fri, Mar 20, 2009 at 2:10 PM, Hans Hagen wrote:

...
Can you also add \currenttexengineversion?

hm, that would be a pretty inconsistent thing, so it needs some testing

How about: \def\currenttexengineversion {\ifcase\texengine \or\number\numexpr\pdftexversion/100.\modulonumber{100}\pdftexversion.\pdftexrevision \or\number\XeTeXversion\XeTeXrevision \or\number\numexpr\luatexversion/100.\modulonumber{100}\luatexversion.\luatexrevision \fi} Wolfgang

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Hans Hagen

5:57 p.m.

Wolfgang Schuster wrote:

On Fri, Mar 20, 2009 at 2:10 PM, Hans Hagen wrote:

...
...
Can you also add \currenttexengineversion? hm, that would be a pretty inconsistent thing, so it needs some testing

How about:

\def\currenttexengineversion {\ifcase\texengine \or\number\numexpr\pdftexversion/100.\modulonumber{100}\pdftexversion.\pdftexrevision \or\number\XeTeXversion\XeTeXrevision \or\number\numexpr\luatexversion/100.\modulonumber{100}\luatexversion.\luatexrevision \fi}

i'll add something to syst-ini.tex did you notice that your pdftex is a future version? i also normalize the xetex version number a bit ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com | www.pragma-pod.nl -----------------------------------------------------------------

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Wolfgang Schuster

6:08 p.m.

On Fri, Mar 20, 2009 at 6:57 PM, Hans Hagen wrote:

did you notice that your pdftex is a future version?

Why? terminal: This is pdfTeX, Version 3.1415926-1.40.9 (Web2C 7.5.7) document: 1.40.9 Wolfgang

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Hans Hagen

6:12 p.m.

Wolfgang Schuster wrote:

On Fri, Mar 20, 2009 at 6:57 PM, Hans Hagen wrote:

...
did you notice that your pdftex is a future version?

Why?

terminal: This is pdfTeX, Version 3.1415926-1.40.9 (Web2C 7.5.7) document: 1.40.9

well, the version macro reported version 2 (i run version 1.50) because you need to subtract 50 before devision; keep in mind that \numexpr does rounding, contrary to \divide which truncates Hans ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com | www.pragma-pod.nl -----------------------------------------------------------------

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participants (4)

Hans Hagen
Peter Rolf
Taco Hoekwater
Wolfgang Schuster