idn2 (1) Linux Manual Page
idn2 – Libidn2 Internationalized Domain Names conversion tool
Synopsis
idn2 [OPTION]… [STRINGS]…Description
idn2 tool converts DNS domains from UTF-8 to ASCII compatibile encoding (ACE) form, as used in the DNS protocol. The encoding format is the Internationalized Domain Name (IDNA2008/TR46) format.All input strings are expected to be encoded in the locale charset.
To process a string that starts with –, for example -foo, use — to signal the end of parameters, as in idn2 –quiet — -foo.
Mandatory arguments to long options are mandatory for short options too.
- -h, –help
- Prints help and exits.
- -V, –version
- Prints version and exits.
- -d, –decode
- Decode an ACE name according to IDNA2008.
- -l, –lookup
- Encode to ACE according to IDNA2008 (the default).
- -r, –register
- Registers a label.
- -T, –tr46t
- Enable TR#46 transitional processing.
- -N, –tr46nt
- Enable TR#46 non-transitional processing (default).
- –no-tr46
- Disable TR#46 processing.
- –usestd3asciirules
- Enable STD3 ASCII rules.
- –debug
- Prints debugging information.
- –quiet
- Silent operation.