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idncmp(1)		    General Commands Manual		     idncmp(1)

NAME
       idncmp -	compare	internationalized domain names

SYNOPSIS
       idncmp [options..] name1	name2

DESCRIPTION
       idncmp command tries to convert internationalized domain	name name1 and
       name2 to	A-labels, and then compares them.  If they are equivalent, id-
       ncmp outputs the	message:

	   matched.

       to  standard  error  and	returns	with exit code 0. If they have differ-
       ences, output:

	   unmatched.

       to standard error and returns with exit code 1.	 If  name1,  name2  or
       both names are not valid	internationalized domain names,	it outputs the
       reason (e.g. ``invalid encoding'') to standard error and	 returns  with
       exit code 2.  If	an internal error such as memory exhaustion is caused,
       idncmp outputs the reason to standard error and then returns with  exit
       code 3.

       Unless  -noconf	(or  -C) option	is given, idncmp reads a configuration
       file (/usr/local/etc/idn2.conf, ~/.idn2rc or a file specified by	an op-
       tion) and performs conversions according	to the parameters specified in
       the file.

OPTIONS
       -in in-code, -i in-code
	   Specify the encoding	name of	the domain names  specified  as	 argu-
	   ments.  Any of the following	encoding names can be recognized.

	   o Any encoding names	which iconv_open() accepts

	   o Punycode

	   o UTF-8

	   o Any  alias	 names	for  the  above, defined by the	encoding alias
	     file.

	   The encoding	defaults to the	 value	of  the	 environment  variable
	   ``IDN_LOCAL_CODESET''  or, if it is not set,	an encoding determined
	   from	the locale information.

       -conf file, -c file
	   Specify the path of idnkit configuration file.  If  not  specified,
	   the	default	 path (/usr/local/etc/idn2.conf	or ~/.idn2rc) is used,
	   unless -noconf (or -C) option is specified.

       -noconf,	-C
	   Suppress reading a configuration file.

       -registration, -g
	   Use domain name registration	protocol.

       -lookup,	-l (default)
	   Use domain name lookup protocol.  This is the default behavior.

       -nomap, -M
	   Don't perform the ``map'' action.  This  is	the  same  as  ``-skip
	   map''.

       -skip action,...
	   Skip	actions. the following action names are	recognized:

	   map	  mappings

	   asclower
		  convert ASCII	uppercase letters to lowercase

	   rtconv conversion from Punycode to Unicode for round	trip check

	   prohcheck
		  prohibited code point	check

	   unascheck
		  unassigned code point	check

	   nfccheck
		  NFC conformance check

	   prefcheck
		  ACE prefix check

	   hyphcheck
		  hyphen check

	   combcheck
		  combining character check

	   ctxjcheck
		  CONTEXTJ code	point check

	   ctxocheck
		  CONTEXTO  code point check for domain	name registration pro-
		  tocol.

	   ctxolitecheck
		  CONTEXTO code	point check for	domain name lookup protocol.

	   bidicheck
		  Bidi check.

	   idnconv
		  conversion to	Punycode

	   lencheck
		  label	length check

	   rtcheck
		  round	trip check

       -localcheck file, -e file
	   Also	perform	local code point check using file.   Using  the	 local
	   check feature, you can check	whether	a domain name consists of code
	   points allowed by a particular registry.  The format	of file	is ex-
	   plained in idn_setlocalcheckfile(3).

       -quiet, -q
	   Suppress a result message; yield exit status	only.

       -test, -t
	   Print  which	 language,  input encoding and output encoding will be
	   chosen if the same arguments	are gievn to  the  command,  and  then
	   quit	immediately.

       -version, -v
	   Print version information and quit.

       -help, -h
	   Print help and quit.

LOCAL ENCODING
       idncmp  guesses	local  encoding	from locale and	environment variables.
       See the ``LOCAL ENCODING'' section in idn.conf(5) for more details.

SEE ALSO
       idncheck(1),  idnconv2(1),  iconv(3),  idn.conf(5),   idnalias.conf(5),
       idnlang.conf(5)

BUGS
       The automatic input-code	decision depends on your system, and sometimes
       it cannot guess or guess	wrong.	It is better to	explicitly specify  it
       using -in option.

				 Sep 21, 2012			     idncmp(1)

NAME | SYNOPSIS | DESCRIPTION | OPTIONS | LOCAL ENCODING | SEE ALSO | BUGS

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