IDN(1) User Commands IDN(1)

NAME
       idn - Internationalized Domain Names command line tool

SYNOPSIS
       idn [OPTION]... [STRINGS]...

DESCRIPTION
       Internationalized Domain Name (IDN) convert STRINGS, or standard input.

       Command line interface to the internationalized domain name library.

       All strings are expected to be encoded in the preferred charset used by
       your locale.  Use `debug' to find out what this charset is.  You  can
       override the charset used by setting environment variable CHARSET.

       To  process a string that starts with `-', for example `-foo', use `'
       to signal the end of parameters, as in `idn quiet -a  -foo'.

       Mandatory arguments to long options are  mandatory  for  short  options
       too.

       -h, help
              Print help and exit

       -V, version
              Print version and exit

       -s, stringprep
              Prepare string according to nameprep profile

       -d, punycode-decode
              Decode Punycode

       -e, punycode-encode
              Encode Punycode

       -a, idna-to-ascii
              Convert to ACE according to IDNA (default mode)

       -u, idna-to-unicode
              Convert from ACE according to IDNA

       allow-unassigned
              Toggle IDNA AllowUnassigned flag (default off)

       usestd3asciirules
              Toggle IDNA UseSTD3ASCIIRules flag (default off)

       no-tld
              Don't   check   string   for   TLD   specific   rules  Only  for
              idna-to-ascii and idna-to-unicode

       -n, nfkc
              Normalize string according to Unicode v3.2 NFKC

       -p, profile=STRING
              Use specified stringprep profile instead Valid  stringprep  pro‐
              files: `Nameprep', `iSCSI', `Nodeprep', `Resourceprep', `trace',
              `SASLprep'

       debug
              Print debugging information

       quiet
              Silent operation

AUTHOR
       Written by Simon Josefsson.

REPORTING BUGS
       Report bugs to: bug-libidn@gnu.org
       GNU Libidn home page: 
       General help using GNU software: 

COPYRIGHT
       Copyright © 2013 Simon Josefsson.  License GPLv3+: GNU GPL version 3 or
       later .
       This  is  free  software:  you  are free to change and redistribute it.
       There is NO WARRANTY, to the extent permitted by law.

SEE ALSO
       The full documentation for idn is maintained as a Texinfo  manual.   If
       the info and idn programs are properly installed at your site, the com‐
       mand

              info idn

       should give you access to the complete manual.



idn 1.28                           July 2013                            IDN(1)