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Update initGitbook.R #17

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Update initGitbook.R #17

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79 changes: 39 additions & 40 deletions R/initGitbook.R
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Original file line number Diff line number Diff line change
Expand Up @@ -8,44 +8,43 @@
#'
#' @export
initGitbook <- function(dir=getwd()) {
dir <- normalizePath(dir)
checkForGitbook(quiet=TRUE)
oldwd <- setwd(dir)
test <- system(paste0('gitbook init ', dir))
if(test != 0) { stop("gitbook initalization failed") }
mdfiles <- list.files(dir, '*.md', recursive=TRUE, full.names=TRUE)
mdfiles <- mdfiles[-c(grep('README.md$', mdfiles),
grep('SUMMARY.md$', mdfiles))]
mdfiles2 <- gsub('/.md$', '.Rmd', mdfiles)
file.rename(mdfiles, mdfiles2)

knitr.header <- c( # TODO: make a package option?
"```{r knitsetup, echo=FALSE, results='hide', warning=FALSE, message=FALSE, cache=FALSE}",
"opts_knit$set(base.dir='./', fig.path='', out.format='md')",
"opts_chunk$set(prompt=TRUE, comment='', results='markup')",
"# See yihui.name/knitr/options for more Knitr options.",
"##### Put other setup R code here",
"",
"```",
""
)
for(rmd in mdfiles2) {
file <- file(rmd)
lines <- readLines(file)
close(file)

#if the knitsetup block isn't already in the file, then add it
suppressWarnings(
if(grepl("r knitsetup.+\n", lines)) {
lines <- c(knitr.header, lines)
}
)

file <- file(rmd)
writeLines(lines, file(rmd))
close(file)
}

setwd(oldwd)
invisible()
dir = getwd()
dir <- normalizePath(dir)
checkForGitbook(quiet = TRUE)
oldwd <- setwd(dir)
test <- system(paste0("gitbook init ", dir))
if (test != 0) {
stop("gitbook initalization failed")
}
mdfiles <- list.files(dir, "*.md", recursive = TRUE, full.names = TRUE)
mdfiles <- mdfiles[-c(grep("README.md$", mdfiles), grep("SUMMARY.md$", mdfiles))]
mdfiles2 <- gsub("\\.md$", ".Rmd", mdfiles)
file.rename(mdfiles, mdfiles2)
knitr.header <- c("```{r knitsetup, echo=FALSE, results='hide', warning=FALSE, message=FALSE, cache=FALSE}",
"opts_knit$set(base.dir='./', fig.path='', out.format='md')",
"opts_chunk$set(prompt=TRUE, comment='', results='markup')",
"# See yihui.name/knitr/options for more Knitr options.",
"##### Put other setup R code here", "", "",
"# end setup chunk",
"```")

for (rmd in mdfiles2) {
print(rmd)
file <- file(rmd)
lines <- readLines(file)
close(file)
# don't inject knitr setup chunk if Rmd file
# already has one, ie. editing an existing Rmd
# or the references Rmd, which has a different setup
toMatch <- c("r knitsetup", "r setup")
matches <- grepl(paste(toMatch,collapse="|"), lines)
suppressWarnings(if (!any(matches)) {
lines <- c(knitr.header, lines)
})
file <- file(rmd)
writeLines(lines, file(rmd))
close(file)
}
setwd(oldwd)
invisible()
}