Pandoc not finding custom writer

[noamross]

Running pandoc (via rmarkdown in R) with a custom writer like so:

usr/local/bin/pandoc +RTS -K512m -RTS test.utf8.md --to /Users/noamross/Library/R/3.2/library/ehastyle/outbreak.lua --from markdown+autolink_bare_uris+ascii_identifiers+tex_math_single_backslash --output test.html --smart --email-obfuscation none --css /Users/noamross/Library/R/3.2/library/ehastyle/outbreak-template.css

I get the following error:

pandoc: Could not find data file /usr/local/Cellar/pandoc/1.16/share/x86_64-osx-ghc-7.10.3/pandoc-1.16/data/templates/default./users/noamross/library/r/3.2/library/ehastyle/outbreak.lua

I can confirm that /Users/noamross/Library/R/3.2/library/ehastyle/outbreak.lua exists. The long path to the pandoc directory is due to the installation being via homebrew, but it's the right path. Pandoc seems to not find the writer file and try to find it in the default directory instead.

I get the error when running pandoc directly in the command line, as well. Sometimes I _don't_ get this error when I remove some of the other arguments, though I haven't been able to figure out exactly which combination does this.

[technocrat]

Does the data file directory

pandoc: Could not find data file /usr/local/Cellar/pandoc/1.16/share/x86_64-osx-ghc-7.10.3/pandoc-1.16/data/templates/default./users/noamross/library/r/3.2/library/ehastyle/outbreak.lua

actually contain ..templates/default./ ... with the period after default?

[jgm]

There is no default template for custom lua writers.
(How could there be?)

So you need to specify the template using --template

What's happening is this. When you do 'pandoc -t latex -s',
it will look for a template called default.latex. Now,
you did 'pandoc -t /path/to/lua/script', so it looks for
a template called 'default./path/to/lua/script'.

This isn't such good behavior; I will change it so that
it gives a more helpful message in this case.

+++ Noam Ross [Jan 06 16 14:19 ]:

Running pandoc (via rmarkdown in R) with a custom writer like so:
usr/local/bin/pandoc +RTS -K512m -RTS test.utf8.md --to /Users/noamross/Library/
R/3.2/library/ehastyle/outbreak.lua --from markdown+autolink_bare_uris+ascii_ide
ntifiers+tex_math_single_backslash --output test.html --smart --email-obfuscatio
n none --css /Users/noamross/Library/R/3.2/library/ehastyle/outbreak-template.cs
s

I get the following error:
pandoc: Could not find data file /usr/local/Cellar/pandoc/1.16/share/x86_64-osx-
ghc-7.10.3/pandoc-1.16/data/templates/default./users/noamross/library/r/3.2/libr
ary/ehastyle/outbreak.lua

I can confirm that
/Users/noamross/Library/R/3.2/library/ehastyle/outbreak.lua exists.

I get the error when running pandoc directly in the command line, as
well. Sometimes I don't get this error when I remove some of the other
arguments, though I haven't been able to figure out exactly which
combination does this.

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References

1. Pandoc not finding custom writer #2625