.Dd Aug 02, 2020
.Dt flvu 1
.Os
.Sh NAME
.Nm flvu
.Nd forwarded log (virtual host) uniques
.Sh SYNOPSIS
.Nm flvu
.Op Ar
.Sh DESCRIPTION
The
.Nm
utility reads
each
.Op Ar
in
.Em Forwarded Log Format with Virtual Hosts
and prints only the
.Em uniques
to standard output.
.Pp
.Em uniques
to standard output.
.Pp
.Em uniques
are defined as unique remote hosts
that made at least one
.Em GET
request
for files with an
.Pa .html
extension, including the
.Pa /
path that returned a
.Em 200
HTTP response status code.
.Pp
If
.Op Ar
is omitted,
.Nm
reads from standard input.
.Sh EXIT STATUS
.Ex -std
.Sh EXAMPLES
Print all
.Em uniques
from
.Pa /var/www/logs/access.log:
.Pp
.Dl $ flvu /var/www/logs/access.log
.Pp
.Sh SEE ALSO
.Xr awk 1
.Xr httpd 8
.Xr httpd.conf 5
.Xr clvu 1
.Xr cblvu 1