3

I have this code to attach files via dvipdfmx, and it works well:

\def\attach#1{%
  \special{pdf:fstream @file (#1)}%
  \special{pdf:ann bbox 0 0 10 10
  <</Type /Annot /Subtype /FileAttachment
  /FS <</Type /Filespec /F (#1.txt)
  /EF <</F @file>> >> /Name /PushPin>>}}
\attach{\jobname.tex}
\bye

If I use navigator package, I don't see the button to open the file:

\pdfoutput=1
\pdfcompresslevel=0
\input navigator
\embeddedfile{sourcecode}{test.tex}
A
\bye

This topic is relevant, but I could not make these examples to work in LuaTeX: Attaching files using plain TeX (pdfTeX)

How should the above dvipdfmx code be changed to work with luatex in pdf mode?

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9
  • 2
    See packages attachfile, attachfile2, embedfile. – Heiko Oberdiek Dec 25 '15 at 7:06
  • @HeikoOberdiek: Yes, I saw them, but it seems to me that all of them work only in LaTeX (not plain luatex). And I could not peel the solution from these packages to make it as simple as possible (like in dvipdfmx example). – Igor Liferenko Dec 25 '15 at 7:53
  • Package embedfile also works with plain TeX. Also these packages contain the low level code for driver pdfTeX, which also can be used for LuaTeX. – Heiko Oberdiek Dec 25 '15 at 8:21
  • @HeikoOberdiek: I tried embedfile-example-plain.tex from texlive-latex-base-doc package. It requires to use miniltx. This is not what is needed. Can it work without miniltx? Also, I did not see the button to open the attachment, whereas in my dvipdfmx example such button appears in the document. – Igor Liferenko Dec 25 '15 at 8:27
  • 1
    Replace (#1.txt) by (\pdfescapestring{#1.txt}). – Heiko Oberdiek Dec 28 '15 at 17:40
1

The following code works as required:

\pdfoutput=1
\def\attach#1{%
  \immediate\pdfobj stream file {#1}%
  \pdfannot width 10pt height 10pt depth 0pt {
    /Subtype /FileAttachment
    /C [ 0 0.5 0 ]
    /FS << /F (#1.txt)
    /Type /Filespec
    /EF << /F \the\pdflastobj\space 0 R >> >>}}
\attach{\jobname.tex}
\bye
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