idn (1) - Linux Manuals
idn: Internationalized Domain Names command line tool
NAME
idn - Internationalized Domain Names command line toolSYNOPSIS
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 profiles: `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 [at] gnu.orgGNU Libidn home page: <http://www.gnu.org/software/libidn/>
General help using GNU software: <http://www.gnu.org/gethelp/>
COPYRIGHT
Copyright © 2013 Simon Josefsson. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.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 command- info idn
should give you access to the complete manual.