Hi,

I have just released fping 4.0-rc1

Please help me test it: http://fping.org/dist/beta/

Also, I am interested in hearing your thoughts. Do you see any problems
with these changes?

Here are the release notes:

  * Version 4.0-rc1

  * INCOMPATIBILITY WARNING 1:
    fping and fping6 are now unified into one binary. It means that, for
    example, doing 'fping google.com' is going to ping the IPv6 IP of
    google.com on IPv6-enabled hosts.

    If you need exact compatibility with old versions, you can configure
    and install fping twice: once for ipv4, and once for ipv6:
    - ./configure --disable-ipv6; make clean install
    - ./configure --disable-ipv4 --program-suffix=6; make clean install

  * INCOMPATIBILITY WARNING 2:
    Option -n / --name is now doing a reverse-DNS lookups on host addresses,
    only they are given as IP address, but not for hostnames. For example, if
    you write 'fping -n google.com', fping would previously do a forward-DNS
    lookup on google.com, and then a reverse-DNS lookup on the resolved IP
    address. Now, it is just going to keep the name 'google.com'. That same
    behavior can be achieved with the option -d / --rdns (which was previously
    an alias for -n).

                     fping<4.0              fping>=4.0
    fping -n NAME    NAME->IP->IPNAME       NAME
    fping -d NAME    NAME->IP->IPNAME       NAME->IP->IPNAME

  * (feature) Unified 'fping' and 'fping6' into one binary (#80)
  * (feature) Long option names for all options
  * (feature) --enable-ipv6 is now default
  * (feature) New option -4 to force IPv4
  * (feature) New option -6 to force IPv6
  * (feature) Keep original name if a hostname is given with -n/--name
  * (feature) Option -d/--rdns now always does a rdns-lookup, even for names
              (name->IP->name), as '-n' was doing until now
  * (bugfix)  Fix compatibility issue with GNU Hurd
  * (other)   A C99 compiler is now required
  * (other)   Option parsing with optparse (https://github.com/skeeto/optparse)
              Thanks Christopher Wellons!

Cheers
David

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