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.Dd December 13, 2017
.Dt RNL 1
.Os
.Sh NAME
.Nm rnl
.Nd remove trailing newlines
.Sh SYNOPSIS
.Nm
.Op Fl 01sz
.Op Ar files\ ...
.Sh DESCRIPTION
.Nm
removes trailing 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 trailing newlines.
.Pp
The options are as follows:
.Bl -tag -width Ds
.It Fl 0
Remove
.Em all
trailing newlines.
.It Fl 1
Remove just
.Em one
trailing newline.
.It Fl s
Strip all but one newline at the end.
(This is the default.)
.It Fl z
Remove final NUL bytes instead of newlines.
.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/
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