cut
options
[files
]
Select a list of columns or fields from one or more
files
. Option
-c
or
-f
must be specified.
list
is a sequence of integers. Use a comma between separate values and a hyphen to specify a range (e.g., 1-10,15,20 or 50-). See also
paste
,
join
, and
newform
.
list
Cut the column positions identified in
list
.
c
Use with
-f
to specify field delimiter as character
c
(default is tab); special characters (e.g., a space) must be quoted.
list
Cut the fields identified in
list
.
Use with -f to suppress lines without delimiters.
Extract usernames and real names from /etc/passwd :
cut -d: -f1,5 /etc/passwd
Find out who is logged on, but list only login names:
who | cut -d" " -f1
Cut characters in the fourth column of
file
, and paste them back as the first column in the same file:
cut -c4
file
| paste -file