Sorry, copied the wrong error message: it actually says "no string to
print"...
Am 12.10.18 um 22:19 schrieb Nils Pickert:
> Hi
>
> I got a bit further... Now everything runs fine in Lua directly:
> Lua 5.3.5 Copyright (C) 1994-2018 Lua.org, PUC-Rio
>> exif = require ("exif")
>> data = exif.loadfile("DSCF0274.jpg")
>> print(data:ifd("0"):entry("DateTime"))
> 2018:10:12 19:59:32
>> print(data:ifd("0"):entry("Make"))
> FUJIFILM
>
> But if I run the same from LuaLaTeX with
> \directlua{
> exif = require("exif")
> data = exif.loadfile("DSCF0274.jpg")
> tex.print(data:ifd("0"):entry("DateTime"))
> }
>
>
> I get "attempt to index a nil value (global 'data')"
> which seems to point at that data is not filled at all, and
> exif.loadfile does nothing...
>
> Any pointers on where to look?
>
> Thanks and best regards
> Nils
>
>
>
> Am 08.10.18 um 18:49 schrieb Nils Pickert:
>> Thanks a lot! It seems to work, now I get the same error message as I
>> get in naked Lua :-)
>>
>> (relinked my symbolic link lualatex to point to luatex53, hoping that it
>> does not mess around with the other stuff I am playing with)
>>
>> Thanks again!
>> Nils
>>
>>
>> Am 08.10.18 um 14:52 schrieb luigi scarso:
>>>
>>>
>>> On Mon, Oct 8, 2018 at 2:49 PM Martin Wilhelm Leidig
>>> <[email protected] <mailto:[email protected]>> wrote:
>>>
>>> Am 2018-10-08 um 14.05 schrieb luigi scarso <[email protected]
>>> <mailto:[email protected]>>:
>>> >
>>> > luatex vs luatex53
>>>
>>> Fascinating. Thanks for the hint!
>>>
>>>
>>> Very likely next texlive will have
>>> "luatex" with lua 5.3 , and perhaps "luatex54" with lua 5.4
>>>
>>> --
>>> luigi
>>
>
