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col(1): Add EXAMPLES section

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Add a small example.
Cross reference clean up for colcrt, nroff and tbl.

Reviewed by:	gbe@, bcr@
Approved by:	gbe@
Differential Revision:		https://reviews.freebsd.org/D26864
This commit is contained in:
Fernando Apesteguía 2020-10-21 16:30:34 +00:00
parent 44ca4575ea
commit 8a27a63745
1 changed files with 13 additions and 9 deletions
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22
usr.bin/col/col.1
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@ -31,7 +31,7 @@
.\" @(#)col.1 8.1 (Berkeley) 6/29/93 .\" @(#)col.1 8.1 (Berkeley) 6/29/93
.\" $FreeBSD$ .\" $FreeBSD$
.\" .\"
.Dd May 10, 2015 .Dd October 21, 2020
.Dt COL 1 .Dt COL 1
.Os .Os
.Sh NAME .Sh NAME
@ -47,10 +47,6 @@ The
utility filters out reverse (and half reverse) line feeds so that the output is utility filters out reverse (and half reverse) line feeds so that the output is
in the correct order with only forward and half forward line in the correct order with only forward and half forward line
feeds, and replaces white-space characters with tabs where possible. feeds, and replaces white-space characters with tabs where possible.
This can be useful in processing the output of
.Xr nroff 1
and
.Xr tbl 1 .
.Pp .Pp
The The
.Nm .Nm
@ -149,11 +145,19 @@ as described in
.Xr environ 7 . .Xr environ 7 .
.Sh EXIT STATUS .Sh EXIT STATUS
.Ex -std .Ex -std
.Sh EXAMPLES
We can use
.Nm
to filter the output of
.Xr man 1
and remove the backspace characters (
.Em ^H
) before searching for some text:
.Bd -literal -offset indent
man ls | col -b | grep HISTORY
.Ed
.Sh SEE ALSO .Sh SEE ALSO
.Xr colcrt 1 , .Xr expand 1
.Xr expand 1 ,
.Xr nroff 1 ,
.Xr tbl 1
.Sh STANDARDS .Sh STANDARDS
The The
.Nm .Nm