CTAGS-LANG-RMARKDOWN - Online Linux Manual PageSection : 7
Updated :
Source : 6.0.0
Note : Universal Ctags

NAMEctags-lang-rmarkdown − Random notes about tagging R Markdown source code with Universal Ctags

SYNOPSISctags ...−−extras=+{subparser}{guest} −−languages=+RMarkdown ... ctags ...−−extras=+{subparser}{guest} −−language−force=RMarkdown ... ctags ...−−extras=+{subparser}{guest} −−map−RMarkdown=+.rmd ...

DESCRIPTIONRMarkdown parser is an exclusive subparser stacked on top of the Markdown parser. It works when: • the Markdown parser is enabled, • the subparser extra is enabled, and • the RMarkdown parser itself is enabled. The RMarkdown parser extends the way of detecting codeblocks from the Markdown parser. This extension is for running guest parsers on code chunks​. The Markdown parser expects the following syntax represents codeblocks: ```language−name ... ``` For an example ```r ... ``` The RMarkdown parser accepts the following syntax for code chunks: ```{language−name chunk−label, ...} ... ``` For an example ```{r precalc fig.height=4} ... ``` Give −−extras=+{guest} for enabling guest to command line if you want to run proper parsers on lines inside code chunks. The parser extracts chunk labels coming after language−name as chunklabel kind objcts. In the exapmle, the RMarkdown parser extracts precalc as a chunklabel kind object. The chunklabel kind is enabled by default.

EXAMPLES"input.rmd" # Section 1 ```{r myblock} zero_fun <− function () { return 0 } ``` # Section 2 "output.tags" with "−−options=NONE −−extras=+{guest} −−fields=+KZln −o − input.rmd" Section 1 input.rmd /^# Section 1$/;" chapter line:1 language:Markdown Section 2 input.rmd /^# Section 2$/;" chapter line:9 language:Markdown myblock input.rmd /^```{r myblock}$/;" chunklabel line:3 language:RMarkdown zero_fun input.rmd /^ zero_fun <− function () {$/;" function line:4 language:R

SEE ALSOctags(1), ctags−client−tools(7), ctags−lang−r(7), ­R Markdown: The Definitive Guide
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