colrm(1): Add EXAMPLES section

Add a couple of simple examples

Approved by:	bcr@
Differential Revision:	https://reviews.freebsd.org/D25196
This commit is contained in:
Fernando Apesteguía 2020-06-23 10:15:08 +00:00
parent fcc879ad25
commit e18baae63f

View File

@ -28,7 +28,7 @@
.\" @(#)colrm.1 8.1 (Berkeley) 6/6/93 .\" @(#)colrm.1 8.1 (Berkeley) 6/6/93
.\" $FreeBSD$ .\" $FreeBSD$
.\" .\"
.Dd June 6, 2015 .Dd June 23, 2020
.Dt COLRM 1 .Dt COLRM 1
.Os .Os
.Sh NAME .Sh NAME
@ -75,6 +75,26 @@ as described in
.Xr environ 7 . .Xr environ 7 .
.Sh EXIT STATUS .Sh EXIT STATUS
.Ex -std .Ex -std
.Sh EXAMPLES
Show columns below 3 (c) and above 5 (e)
.Bd -literal -offset indent
$ echo -e "abcdefgh\en12345678" | colrm 3 5
abfgh
12678
.Ed
.Pp
Specifying a start column bigger than the number of columns in the file is
allowed and shows all the columns:
.Bd -literal -offset indent
$ echo "abcdefgh" | colrm 100
abcdefgh
.Ed
.Pp
Using 1 as start column will show nothing:
.Bd -literal -offset indent
$ echo "abcdefgh" | colrm 1
.Ed
.Sh SEE ALSO .Sh SEE ALSO
.Xr awk 1 , .Xr awk 1 ,
.Xr column 1 , .Xr column 1 ,