SYNOPSIS

       libidn [OPTIONS]... [STRINGS]...

DESCRIPTION

       libidn 1.2

       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'.

       -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)

       -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)

       -t, --tld
              Check string for TLD specific rules Only for --idna-to-ascii and
              --idna-to-unicode (default=on)

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

       --debug


libidn 1.2                       October 2007                        LIBIDN(1)