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I have the following line in my nvim configuration file:

map <leader>c :w! \| !compiler <c-r>%<CR>\| !zathura $(echo %:r".pdf") && disown<CR><CR>

The first part (or 2/3 of the line) works to compile the file I'm working, but I want to bring up zathura when this happens. Can I modify the last bit? It's my best guess but it doesn't work right now. Also, I don't want multiple instances of zathura to be open (If I say, compile and then recompile).

I should add that the compiler command automatically runs pdflatex.

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I recommend using the vimtex plugin.

It allows opening zathura as a PDF viewer after compiling in one step. Also it has continuous mode, meaning that you will be able to see automatically compiled changes immediately in the running zathura instance.

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If the currently active file is your main file (which the !compiler invocation already assumes), you can open the corresponding pdf with

!zathura '%<'.pdf&;disown<cr>:redraw!<cr>

The :redraw! part is not strictly necessary.

This doesn't solve the "don't open another instance" part of your question. This could be done with a boolean indicating that zathura was already called...

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  • This doesn't work for me, when I try to use the command on it's own, the bottom of the vim terminal flashes for a second and nothing changes. Aug 16 '20 at 17:08
  • I have the vim file open as blah.tex , this may be why. How do I change this in vim cmd line? Aug 16 '20 at 17:12
  • :! zathura $(echo "%" | cut -f 1 -d '.').pdf opens the file , but I wan't to open in a new dwm window. How do I do this? Aug 16 '20 at 17:28
  • Im thinking something like zathur --fork foo.pdf, but this doesn't work on the command line Aug 16 '20 at 17:39
  • @mtheorylord the & does fork it into the background. And I use the above command for productive use since years ago (without the ;disown part)... And it should open blah.pdf if your currently active buffer's name is blah.tex.
    – Skillmon
    Aug 16 '20 at 20:27

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