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 5629 appears to contain an embedded nul
Warning in readLines(connection) :
  line 8198 appears to contain an embedded nul
Warning in readLines(connection) :
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Warning in readLines(connection) :
  line 8200 appears to contain an embedded nul
Warning in readLines(connection) :
  line 9993 appears to contain an embedded nul
Warning in readLines(connection) :
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Warning in readLines(connection) :
  line 9996 appears to contain an embedded nul
Warning in readLines(connection) :
  line 9997 appears to contain an embedded nul
Warning in readLines(connection) :
  line 9998 appears to contain an embedded nul
Warning in readLines(connection) :
  line 9999 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10000 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10001 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10002 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10003 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10004 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10005 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10006 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10007 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10008 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10009 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10011 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10019 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10020 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10022 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10024 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10025 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10026 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10027 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10028 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10029 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10030 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10031 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10032 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10033 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10034 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10035 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10036 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10037 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10038 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10039 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10040 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10041 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10042 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10043 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10044 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10045 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10046 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10047 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10048 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10051 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10052 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10053 appears to contain an embedded nul
Warning in readLines(connection) :
  line 10054 appears to contain an embedded nul
Warning in grep(pattern = "^//", x = results) :
  input string 5629 is invalid in this locale
Warning in grep(pattern = "^//", x = results) :
  input string 9993 is invalid in this locale
Warning in grep(pattern = "^//", x = results) :
  input string 10010 is invalid in this locale
Warning in grep(pattern = "^//", x = results) :
  input string 10017 is invalid in this locale
Warning in grep(pattern = "^//", x = results) :
  input string 10018 is invalid in this locale
Error in gsub(x = suffixes, pattern = "*.", replacement = "", fixed = TRUE) : 
  input string 5093 is invalid in this locale
Calls: suffix_extract -> suffix_load -> gsub
Execution halted