Running examples in 'epubr-Ex.R' failed
The error most likely occurred in:

> ### Name: epub
> ### Title: Extract and read EPUB e-books
> ### Aliases: epub epub_meta epub_unzip
> 
> ### ** Examples
> 
> # Use a local example EPUB file included in the package
> file <- system.file("dracula.epub", package = "epubr")
> bookdir <- file.path(tempdir(), "dracula")
> epub_unzip(file, exdir = bookdir) # unzip to directly inspect archive files
> list.files(bookdir, recursive = TRUE)
 [1] "META-INF/container.xml"                                                  
 [2] "OEBPS/0.css"                                                             
 [3] "OEBPS/1.css"                                                             
 [4] "OEBPS/@public@vhost@g@gutenberg@html@files@345@345-h@345-h-0.htm.html"   
 [5] "OEBPS/@public@vhost@g@gutenberg@html@files@345@345-h@345-h-1.htm.html"   
 [6] "OEBPS/@public@vhost@g@gutenberg@html@files@345@345-h@345-h-10.htm.html"  
 [7] "OEBPS/@public@vhost@g@gutenberg@html@files@345@345-h@345-h-11.htm.html"  
 [8] "OEBPS/@public@vhost@g@gutenberg@html@files@345@345-h@345-h-12.htm.html"  
 [9] "OEBPS/@public@vhost@g@gutenberg@html@files@345@345-h@345-h-13.htm.html"  
[10] "OEBPS/@public@vhost@g@gutenberg@html@files@345@345-h@345-h-2.htm.html"   
[11] "OEBPS/@public@vhost@g@gutenberg@html@files@345@345-h@345-h-3.htm.html"   
[12] "OEBPS/@public@vhost@g@gutenberg@html@files@345@345-h@345-h-4.htm.html"   
[13] "OEBPS/@public@vhost@g@gutenberg@html@files@345@345-h@345-h-5.htm.html"   
[14] "OEBPS/@public@vhost@g@gutenberg@html@files@345@345-h@345-h-6.htm.html"   
[15] "OEBPS/@public@vhost@g@gutenberg@html@files@345@345-h@345-h-7.htm.html"   
[16] "OEBPS/@public@vhost@g@gutenberg@html@files@345@345-h@345-h-8.htm.html"   
[17] "OEBPS/@public@vhost@g@gutenberg@html@files@345@345-h@345-h-9.htm.html"   
[18] "OEBPS/@public@vhost@g@gutenberg@html@files@345@345-h@images@colophon.png"
[19] "OEBPS/@public@vhost@g@gutenberg@html@files@345@345-h@images@cover.jpg"   
[20] "OEBPS/content.opf"                                                       
[21] "OEBPS/pgepub.css"                                                        
[22] "OEBPS/toc.ncx"                                                           
[23] "OEBPS/wrap0000.html"                                                     
[24] "mimetype"                                                                
> 
> epub_meta(file) # parse EPUB file metadata only
Error in library.dynam(lib, package, package.lib) : 
  DLL 'rlang' not found: maybe not installed for this architecture?
Calls: epub_meta ... loadNamespace -> namespaceImport -> loadNamespace -> library.dynam
Execution halted