Linux Commands Examples

A great documentation place for Linux commands

cut

remove sections from each line of files

Synopsis

cut OPTION... [FILE]...


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examples

2
source

Bash command substitution not working as expected

The reason that it doesn't work is because stty is executed within a pipe. Therefore it doesn't "see" the underlying terminal. In your script you could store the terminal width in a variable like

size=`stty size | cut -d" " -f2`

and then use that next:

tail $FILE | cut -c -$size

1
source
            
cut -f5 $1
0
source
            
date |cut -d " " -f 4
0
source
            
date| cut -d " " -f 4
0
source

In bash, how do I pass the while loops input to the cut command?

Use echo:

login=$(echo "$line" | cut -d : -f 1)

description

Print selected parts of lines from each FILE to standard output.

Mandatory arguments to long options are mandatory for short options too.
-b
, --bytes=LIST

select only these bytes

-c, --characters=LIST

select only these characters

-d, --delimiter=DELIM

use DELIM instead of TAB for field delimiter

-f, --fields=LIST

select only these fields; also print any line that contains no delimiter character, unless the -s option is specified

-n

(ignored)

--complement

complement the set of selected bytes, characters or fields

-s, --only-delimited

do not print lines not containing delimiters

--output-delimiter=STRING

use STRING as the output delimiter the default is to use the input delimiter

--help

display this help and exit

--version

output version information and exit

Use one, and only one of -b, -c or -f. Each LIST is made up of one range, or many ranges separated by commas. Selected input is written in the same order that it is read, and is written exactly once. Each range is one of:

N

N’th byte, character or field, counted from 1

N-

from N’th byte, character or field, to end of line

N-M

from N’th to M’th (included) byte, character or field

-M

from first to M’th (included) byte, character or field

With no FILE, or when FILE is -, read standard input.

copyright

Copyright © 2012 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

reporting bugs

Report cut bugs to bug-coreutils[:at:]gnu[:dot:]org
GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
General help using GNU software: <http://www.gnu.org/gethelp/>
Report cut translation bugs to <http://translationproject.org/team/>


see also

The full documentation for cut is maintained as a Texinfo manual. If the info and cut programs are properly installed at your site, the command

info coreutils 'cut invocation'

should give you access to the complete manual.


author

Written by David M. Ihnat, David MacKenzie, and Jim Meyering.

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