10.54.3 Can you answer these questions?

10.54.3.1 Using catchfile with macro as filename
10.54.3.2 How to add an original date of publication to references?
10.54.3.3 How is the "To Path" Operation in TikZ implemented?
10.54.3.1 Using catchfile with macro as filename

https://tex.stackexchange.com/landing/r/digest?cta=question&id=724130

I am trying to use the catchfile package to read the contents of a file. At this stage, all I want is a macro that will take some name and number, say "log123.456" and read the contents of &... 
[catchfile]
 
asked by David https://tex.stackexchange.com/landing/r/digest?cta=user&id=233738 Score of 1
10.54.3.2 How to add an original date of publication to references?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=724430

I need to add an original date of publication to some of my references, a translator name and a special mention into brackets : (Original work published in + year). How to do it? This is my MWE: 
\... 
[biblatex]
 
asked by domi https://tex.stackexchange.com/landing/r/digest?cta=user&id=61487 Score of 1
10.54.3.3 How is the "To Path" Operation in TikZ implemented?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=724193

Since I would like to convert some 2D Drawings I have made with TikZ to something that OpenSCAD understands (I already tried converting the LaTeX PDF Output to svg and importing that, but this lead to ... 
[tikz-pgf] [tikz-path]
 
asked by dsacre https://tex.stackexchange.com/landing/r/digest?cta=user&id=260651 Score of 1