Running examples in ‘urltools-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: suffix_extract
> ### Title: extract the suffix from domain names
> ### Aliases: suffix_extract
> 
> ### ** Examples
> 
> 
> # Using url_parse
> domain_name <- url_parse("http://en.wikipedia.org")$domain
> suffix_extract(domain_name)
              host subdomain    domain suffix
1 en.wikipedia.org        en wikipedia    org
> 
> # Using domain()
> domain_name <- domain("http://en.wikipedia.org")
> suffix_extract(domain_name)
              host subdomain    domain suffix
1 en.wikipedia.org        en wikipedia    org
> 
> #Relying on a fresh version of the suffix dataset
> suffix_extract(domain("http://en.wikipedia.org"), suffix_refresh())
Warning in readLines(connection) :
  line 1222 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2001 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2002 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2003 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2004 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2005 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2006 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2007 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2008 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2009 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2010 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2011 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2012 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2013 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2014 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2015 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6509 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6510 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6511 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6512 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6513 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6514 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6515 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6516 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6517 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6518 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6519 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6520 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6521 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6522 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6523 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6524 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6525 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6526 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6527 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6528 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6529 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6530 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6531 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6532 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6533 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6534 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6535 appears to contain an embedded nul
Warning in readLines(connection) :
  line 6536 appears to contain an embedded nul
Warning in grep(pattern = "^//", x = results) :
  input string 1222 is invalid in this locale
Warning in grep(pattern = "^//", x = results) :
  input string 2002 is invalid in this locale
Warning in grep(pattern = "^//", x = results) :
  input string 2003 is invalid in this locale
Warning in grep(pattern = "^//", x = results) :
  input string 2004 is invalid in this locale
Warning in grep(pattern = "^//", x = results) :
  input string 2005 is invalid in this locale
Error in gsub(x = suffixes, pattern = "*.", replacement = "", fixed = TRUE) : 
  input string 932 is invalid in this locale
Calls: suffix_extract -> suffix_load -> gsub
Execution halted