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rstudio / rmarkdown-book

R Markdown: The Definitive Guide (published by Chapman & Hall/CRC in July 2018)
https://bookdown.org/yihui/rmarkdown
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fix code for the path of R logo.jpg #27

Closed dongzhuoer closed 6 years ago

dongzhuoer commented 6 years ago

file.path(R.home(), "doc/html/logo.jpg") is not portable

dongzhuoer commented 6 years ago 
> file.path(R.home(), "doc/html/logo.jpg")
[1] "/usr/lib/R/doc/html/logo.jpg"
> file.exists('/usr/lib/R/doc/html/logo.jpg')
[1] FALSE

> file.path(R.home('doc'), "html/logo.jpg")
[1] "/usr/share/R/doc/html/logo.jpg"
> file.exists('/usr/share/R/doc/html/logo.jpg')
[1] TRUE