.Dd December 13, 2017
.Dt RNL 1
.Os
.Sh NAME
.Nm rnl
.Nd remove final newlines
.Sh SYNOPSIS
.Nm
.Op Fl 01sz
.Op Ar files\ ...
.Sh DESCRIPTION
.Nm
removes final newlines from the specified input
.Ar files .
The files are modified in-place!
.Pp
When used without arguments,
.Nm
copies standard input to standard output,
removing final newlines.
.Pp
The options are as follows:
.Bl -tag -width Ds
.It Fl 0
Remove final NUL bytes instead of newlines.
.It Fl a
Remove
.Em all
final newlines.
.It Fl s
Strip all but one newline at the end.
(This is the default.)
.It Fl o
Remove just
.Em one
final newline.
.El
.Sh EXIT STATUS
.Ex -std
.Sh SEE ALSO
.Xr tr 1
.Sh AUTHORS
.An Leah Neukirchen Aq Mt leah@vuxu.org
.Sh LICENSE
.Nm
is in the public domain.
.Pp
To the extent possible under law,
the creator of this work
has waived all copyright and related or
neighboring rights to this work.
.Pp
.Lk http://creativecommons.org/publicdomain/zero/1.0/