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Render an R demo
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#!/usr/bin/env Rscript | |
args <- commandArgs(trailingOnly = TRUE) | |
if (length(args) != 2) { | |
msg <- " | |
usage: | |
render-demo.R <demo> <package> | |
This utility will render the code and figures from a given package as a PDF | |
and place them into a directory called `<demo>-generated_files`. This requires | |
knitr, rmarkdown and LaTeX to be installed on your system. | |
Example: | |
render-demo.R epiflows-overview epiflows | |
" | |
stop(msg) | |
} | |
the_package <- args[2] | |
the_base <- args[1] | |
the_demo <- paste(the_base, "R", sep = ".") | |
overview <- system.file("demo", the_demo, package = the_package) | |
tmpdir <- tempdir() | |
tmp <- file.path(tmpdir, the_demo) | |
file.copy(overview, tmp) | |
res <- knitr::spin(hair = tmp, format = "Rmd", knit = FALSE) | |
rmarkdown::render(res, output_format = rmarkdown::latex_fragment()) | |
gf <- paste(the_base, "generated_files", sep = "-") | |
message("The files are in ", tmpdir) | |
# ans <- readline("Move these files to your current wd? [Y/n]") | |
# if (ans == "" || toupper(ans) == "Y") { | |
files <- list.files(tmpdir, pattern = the_base, recursive = TRUE, full.names = TRUE) | |
imgs <- list.files(file.path(tmpdir, paste0(the_base, "_files")), recursive = TRUE, full.names = TRUE) | |
dir.create(gf) | |
file.copy(c(imgs, files), | |
file.path(gf, basename(c(imgs, files)))) | |
# } |
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