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Showing content from https://github.com/mclements/ascii below:

mclements/ascii: Ascii: An R package to export R objects to several markup languages. The CRAN ascii package is based on this fork (with permission).

ascii is an R package that provides formatted tables and lists in a number of markup formats (Asciidoc, txt2tags, reStructuredText, Org, Pandoc markdown and textile). Documents can be processed in four broad classes:

1. Using knitr or rmarkdown, with document formats including Rmd, Rasciidoc and Rrst.
2. In Org mode format using Babel for R code blocks.
3. In Sweave format for all six markup formats, with drivers that include base Sweave and caching through weaver.
4. Using R scripting to export reports to a variety of formats.

ascii provides:

• A generic method: ascii(). It creates a plain text representations of many R objects.
• A function asciiCoefmat for working with coefficient matrices (similar to printCoefmat).
• Several classic Sweave drivers: RweaveAsciidoc(), RweaveT2t(), RweaveReST(), RweaveOrg(), RweavePandoc() and RweaveTextile().
• Weaver based Sweave drivers: weaverAsciidoc(), weaverT2t(), weaverReST(), weaverOrg(), weaverPandoc() and weaverTextile().
• Some simple wrappers for Sweave() named Asciidoc(), T2t(), ReST(), Org(), Pandoc() and Textile().
• A Report class for R scripting.

ascii provides methods for:

library(ascii)
methods(ascii)

 [1] ascii.anova*                    ascii.aov*                     
 [3] ascii.aovlist*                  ascii.cast_df*                 
 [5] ascii.character*                ascii.coxph*                   
 [7] ascii.CrossTable*               ascii.data.frame*              
 [9] ascii.default*                  ascii.density*                 
[11] ascii.describe*                 ascii.describe.single*         
[13] ascii.factor*                   ascii.freqtable*               
[15] ascii.ftable*                   ascii.glm*                     
[17] ascii.htest*                    ascii.integer*                 
[19] ascii.list*                     ascii.lm*                      
[21] ascii.matrix*                   ascii.meanscomp*               
[23] ascii.microbenchmark*           ascii.mtable*                  
[25] ascii.numeric*                  ascii.packageDescription*      
[27] ascii.prcomp*                   ascii.proc_time*               
[29] ascii.sessionInfo*              ascii.simple.list*             
[31] ascii.smooth.spline*            ascii.stat.table*              
[33] ascii.summary.aov*              ascii.summary.aovlist*         
[35] ascii.summary.formula.cross*    ascii.summary.formula.response*
[37] ascii.summary.formula.reverse*  ascii.summary.glm*             
[39] ascii.summary.lm*               ascii.summary.prcomp*          
[41] ascii.summary.survfit*          ascii.summary.table*           
[43] ascii.survdiff*                 ascii.survfit*                 
[45] ascii.table*                    ascii.ts*                      
[47] ascii.zoo*                     
see '?methods' for accessing help and source code

A source Rmd file is here. It can be processed to export to HTML using:

library(rmarkdown)
library(prettydoc)
rmarkdown::render(system.file("examples/test-1-Rmd.Rmd",package="ascii"), html_pretty())

library(knitr)
options(asciiBackend="asciidoctor")
knitr::knit(system.file("examples/test-1-asciidoc.Rasciidoc",package="ascii"), "test-1-asciidoctor.txt")
system("asciidoctor test-1-asciidoctor.txt")

options(asciiBackend="asciidoc")
knitr::knit(system.file("examples/test-1-asciidoc.Rasciidoc",package="ascii"), "test-1-asciidoc.txt")
system("asciidoc test-1-asciidoc.txt")

library(knitr)
knitr::knit(system.file("examples/test-1-ReST.Rrst",package="ascii"), "test-1-ReST.rst")
system("rst2html test-1-ReST.rst > test-1-ReST.html")

A source Noweb file is here. It can be processed to export to HTML using:

Pandoc(system.file("examples/Pandoc-test-1.nw",package="ascii"))
system("pandoc Pandoc-test-1.md > Pandoc-test-1.html")

Alternatively, to allow caching using weaver, we can use:

Pandoc(system.file("examples/Pandoc-test-1.nw",package="ascii"), driver=weaverPandoc())
system("pandoc Pandoc-test-1.md > Pandoc-test-1.html")

A source Noweb file is here. It can be processed to export to HTML using:

options(asciiBackend="asciidoc")
Asciidoc(system.file("examples/Asciidoc-test-1.nw",package="ascii"))
system("asciidoc Asciidoc-test-1.txt")

Alternatively, to allow caching using weaver, we can use:

Asciidoc(system.file("examples/Asciidoc-test-1.nw",package="ascii"),driver=weaverAsciidoc())
system("asciidoc Asciidoc-test-1.txt")

A source Noweb file is here It can be processed to export to HTML using:

ReST(system.file("examples/ReST-test-1.nw",package="ascii"))
system("rst2html ReST-test-1.rst > ReST-test-1.html")

Alternatively, to allow caching using weaver, we can use:

ReST(system.file("examples/ReST-test-1.nw",package="ascii"), driver=weaverReST())
system("rst2html ReST-test-1.rst > ReST-test-1.html")

A source Noweb file is here. It can be processed to export to HTML using:

Textile(system.file("examples/Textile-test-1.nw",package="ascii"))
system("textile Textile-test-1.txt > Textile-test-1.html")

Alternatively, to allow caching using weaver, we can use:

Textile(system.file("examples/Textile-test-1.nw",package="ascii"), driver=weaverTextile())
system("textile Textile-test-1.txt > Textile-test-1.html")

A source Noweb file is here. It can be processed to export to HTML using:

T2t(system.file("examples/T2t-test-1.nw",package="ascii"))
system("txt2tags -t html T2t-test-1.t2t")

Alternatively, to allow caching using weaver, we can use:

T2t(system.file("examples/T2t-test-1.nw",package="ascii"), driver=weaverT2t())
system("txt2tags -t html T2t-test-1.t2t")

A source Noweb file is here. It can be processed to export to HTML using:

Org(system.file("examples/Org-test-1.nw",package="ascii"))

Alternatively, to allow caching using weaver, we can use:

Org(system.file("examples/Org-test-1.nw",package="ascii"), driver=weaverOrg())

A common use of ascii is with Org mode using Babel and R code blocks. Initially, we set some options, including the default for asciiType.

options(asciiType = "org", width = 80)
x <- matrix(1:4, 2, 2)

In Org Mode, we can use :results output wrap to get Org output:

ascii(x, include.rownames=TRUE, include.colnames=TRUE, header=TRUE)

This gives the following output:

We could also use :results output raw if the output is one block (wrap is preferred over raw if there are multiple output blocks). For an example with multiple output blocks, we can use the asciiCoefmat function:

x = y = 1:100
y[1]=5
lm(y~x) |> summary() |> coef() |> asciiCoefmat()

Using ascii with more options:

x <- matrix(1:4, 2, 2)
ascii(x, caption = "A simple matrix", width = 50, digits = 0, align = c("c", "r"),
      style = matrix(c("d", "s", "e", "m"), 2, 2), lgroup = "group 1",
      tgroup = "group 2")

Note that the GitHub parser for .org files does not format this correctly.

y <- summary(with(esoph, table(alcgp, agegp)))
ascii(y, caption = "A simple list")

• Number of cases in table: 88
• Number of factors: 2
• Test for independence of all factors:
  • Chisq = 1.4189, df = 15, p-value = 1
  • Chi-squared approximation may be incorrect

The code snippet below shows the use of the Report class:

options(asciiType = "asciidoc")
createreport(head(esoph))

r <- Report$new(author = "David Hajage", email = "dhajage at gmail dot com")
r$add(section("First section"))
r$addSection("First subsection", 2)
r$add(paragraph("The data set has", sexpr(nrow(esoph)), " lines. See yourself:"), esoph)
r$addSection("Second subsection: age and alc group", 2)
tab <- with(esoph, table(alcgp, agegp))
r$add(ascii(tab), ascii(summary(tab), format = "nice"))
r$create()
r$format <- "slidy"
r$create()

r$title <- "R report example"
r$author <- "David Hajage"
r$email <- "dhajage at gmail dot com"
options(asciiType = "pandoc")
r$backend <- "pandoc"
r$format <- "odt"
r$create()

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