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colrm(1): Add EXAMPLES section

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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
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=362535
1 changed files with 21 additions and 1 deletions
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22
usr.bin/colrm/colrm.1
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@ -28,7 +28,7 @@
.\" @(#)colrm.1 8.1 (Berkeley) 6/6/93
.\" $FreeBSD$
.\"
.Dd June 6, 2015
.Dd June 23, 2020
.Dt COLRM 1
.Os
.Sh NAME
@ -75,6 +75,26 @@ as described in
.Xr environ 7 .
.Sh EXIT STATUS
.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
.Xr awk 1 ,
.Xr column 1 ,