Fix trailing whitespace in man-page

pull/5/head
Axel Beckert 13 years ago
parent d4d4106faa
commit 6161a0552d

@ -10,36 +10,36 @@ fping \- send ICMP ECHO_REQUEST packets to network hosts
.NXR "fping command"
.NXR "ICMP ECHO_REQUEST"
.B fping
.B fping
is a program like
.B ping(8)
which uses the Internet Control
Message Protocol (ICMP) echo request to determine if a target host is
responding.
.B fping
responding.
.B fping
differs from ping in that you can specify any
number of targets on the command line, or specify a file containing
the lists of targets to ping. Instead of sending to one target until it
times out or replies,
.B fping
times out or replies,
.B fping
will send out a ping packet and move
on to the next target in a round-robin fashion.
on to the next target in a round-robin fashion.
.PP
In the default mode, if a target replies,
it is noted and removed from the list of targets to check; if a target
does not respond within a certain time limit and/or retry limit it
is designated as unreachable.
.B fping
does not respond within a certain time limit and/or retry limit it
is designated as unreachable.
.B fping
also supports sending a specified number of pings to a target, or
looping indefinitely (as in
looping indefinitely (as in
.B ping
).
.PP
Unlike
Unlike
.B ping,
.B fping
is meant to be used in scripts, so its output is designed to be
.B fping
is meant to be used in scripts, so its output is designed to be
easy to parse.
.SH OPTIONS
.IP \fB\-a\fR 5
@ -48,12 +48,12 @@ Show systems that are alive.
Display targets by address rather than DNS name.
.IP \fB\-b\fIn\fR 5
Number of bytes of ping data to send. The minimum size (normally 12)
allows room for the data that
.B fping
allows room for the data that
.B fping
needs to do its work (sequence number, timestamp). The reported
received data size includes the IP header (normally 20 bytes) and ICMP
header (8 bytes), so the minimum total size is 40 bytes. Default is
56, as in
56, as in
.B ping.
Maximum is the theoretical maximum IP datagram size (64K), though most
systems limit this to a smaller, system-dependent number.
@ -135,7 +135,7 @@ Set source address.
Set the interface (requires SO_BINDTODEVICE support)
.IP \fB\-t\fIn\fR 5
Initial target timeout in milliseconds (default 500). In the default
mode, this is the amount of time that
mode, this is the amount of time that
.B fping
waits for a response to its first request. Successive timeouts are
multiplied by the backoff factor.
@ -146,7 +146,7 @@ Show targets that are unreachable.
.IP \fB\-T\fIn\fR 5
Set the typ of service flag (TOS). \fIn\fR can be either decimal or hexadecimal (0xh) format.
.IP \fB\-v\fR 5
Print
Print
.B fping
version information.
@ -154,9 +154,9 @@ version information.
The following perl script will check a list of hosts and send mail if
any are unreachable. It uses the open2 function which allows a program
to be opened for reading and writing. fping does not start pinging the
list of systems until it reads EOF, which it gets after INPUT is closed.
list of systems until it reads EOF, which it gets after INPUT is closed.
Sure the open2 usage is not needed in this example, but it's a good open2
example none the less.
example none the less.
.nf
#!/usr/bin/perl
@ -210,11 +210,11 @@ command line arguments, and 4 for a system call failure.
.SH BUGS
Ha! If we knew of any we would have fixed them!
.SH RESTRICTIONS
If certain options are used (i.e, a low value for \-i and \-t, and a
If certain options are used (i.e, a low value for \-i and \-t, and a
high value for \-r) it is possible to flood the network. This program
must be installed as setuid root in order to open up a raw socket,
or must be run by root. In order to stop mere mortals from hosing the
network (when fping is installed setuid root) , normal users can't specify
network (when fping is installed setuid root) , normal users can't specify
the following:
.nf

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