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())
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Warning in readLines(connection) :
  line 2692 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2693 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2694 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2695 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2696 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2697 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2698 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2699 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2700 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2701 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2702 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2703 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2704 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2705 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2706 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2707 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2708 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2709 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2710 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2711 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2712 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2713 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2714 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2715 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2716 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2717 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2718 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2719 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2720 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2721 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2722 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2723 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2724 appears to contain an embedded nul
Warning in readLines(connection) :
  line 2725 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3739 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3740 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3741 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3742 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3743 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3744 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3745 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3746 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3748 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3754 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3755 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3757 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3759 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3761 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3763 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3764 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3765 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3766 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3767 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3768 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3769 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3770 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3771 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3772 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3773 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3774 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3775 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3776 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3777 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3782 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3783 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3784 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3785 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3786 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3787 appears to contain an embedded nul
Warning in readLines(connection) :
  line 3788 appears to contain an embedded nul
Warning in grep(pattern = "^//", x = results) :
  input string 1 is invalid in this locale
Warning in grep(pattern = "^//", x = results) :
  input string 2711 is invalid in this locale
Warning in grep(pattern = "^//", x = results) :
  input string 2712 is invalid in this locale
Warning in grep(pattern = "^//", x = results) :
  input string 3747 is invalid in this locale
Warning in grep(pattern = "^//", x = results) :
  input string 3752 is invalid in this locale
Error in gsub(x = suffixes, pattern = "*.", replacement = "", fixed = TRUE) : 
  input string 2296 is invalid in this locale
Calls: suffix_extract -> suffix_load -> gsub
Execution halted