cut is a filter program which extracts fields or columns of each line of input.

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3
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4answers
118 views

How to show only the last k columns in ls -l?

I like to restrict the columns shown in ls -l command, by eliminating the first 4 columns. ls -lh shows: drwxr-sr-x 20 gamma alpha 4.0K May 22 13:18 Desktop drwxr-sr-x 3 gamma alpha 22 Oct 6 ...
2
votes
2answers
25 views

Copy files with parent folder to a new directory

I want to copy some files and include their parent directory in the process. The current structure is similar to: /Module1/A/downloads/m13312/file.pdf /Module1/A/downloads/m17312/file.pdf ...
0
votes
1answer
50 views

Cutting logs (and not copying) from a log file between two time stamps

I have a very huge access.log file of 2 Gb containing apache access logs. The date time format in that is as below : 04/May/2015:02:15:25 I want to cut (and not just copy) the logs from this ...
0
votes
4answers
69 views

What the equivalent of “grep | cut” using sed or awk?

Say I had a config file /etc/emails.conf email1 = user@dinkum.dorg email2 = user@winkum.worg email3 = user@stinkum.storg and I wanted to get email2 I could do a: grep email2 /etc/emails.conf | ...
0
votes
3answers
62 views

Beginner Questions Regarding “<”, “<<”, and reading files

I know that I can do tr a b < file, but how do I do that for ls? So for example, How to feed ls -l a list of files from a 'file'. I tried the below and it did't work. $ cat>test A B C $ ls -l ...
0
votes
3answers
48 views

How to find the word after a given pattern using cut?

I have a file that looks like this: -config1 -config2 param2 -config3 param3a param3b -config4 param4 and I can use the following to extract param2: echo $(<file) | cut -d' ' -f3 However I ...
1
vote
1answer
51 views

How to truncate text lines to N characters maximum? [duplicate]

Given a text file, or the output of a command, how can I truncate it so that every line longer than N characters (usually N=80 in a terminal) gets shorten to N characters maximum?
2
votes
3answers
85 views

how to use awk/cut to get column data which has space

I have data in below format: 16 SQL*Plus vilconv1 dox-conv2 16 TOAD background query session Disha WORKGROUP\AD now I want to ...
1
vote
5answers
935 views

How to use grep and cut in script to obtain website URLs from an HTML file

I am trying to use grep and cut to extract URLs from an HTML file. The links look like: <a href="http://examplewebsite.com/"> Other websites have .net, .gov, but I assume I could make the cut ...
0
votes
5answers
164 views

Compare one to one lines in 2 different files using shell scripting [closed]

I have two files: File1 File2 abc abc cde cde,xyz,efg,hij,...,n efg lmn,opq,weq,...n Now I want to compare File1 line1 with File2 line1, line2 with line2 and ...
-2
votes
1answer
303 views

How to use Cut and Grep command to find data separated by “:” [duplicate]

In my simple database, it contains text of like, example, soldiers. Name:Rank:Gender:Age:Years of Service Tom Corporal:Recruit:Male:19:2 Nicole Sergeant:Corporal:Female:30:10 Daniel ...
0
votes
1answer
328 views

How to use grep and cut together?

Lets say I'm doing a database for fruits. Using a text file for it, inside contains, in this format, (Fruit:Quantity:Cost) Apple:10:1 Orange:20:2 Pears:10:3 Banana:20:4 10 Apples at $1 each. 20 ...
0
votes
1answer
210 views

Linux cut command with -f1

What is the meaning of the following command: cut -d" " -f1 I found out what cut -d" " means: removing spaces, right? but what means this -f1?
0
votes
2answers
713 views

How can I store each seperate entire line in a text file into an array?

I have a file called "threewords". It contains the information: \#gray speedy bee gr-A | sp-E-d-E | b-E \#gray greedy pea gr-A | gr-E-d-E | p-E When I run the command: cat threewords | grep ^# ...
2
votes
2answers
57 views

Combine output from df -h /dev/xvda1 into a single line

I want to convert the 2 line output from df -h into a single, meaningful line i.e. Take [root@ip-10-42-1-246 tmp]# df -h /dev/xvda1 Filesystem Size Used Avail Use% Mounted on /dev/xvda1 ...
0
votes
2answers
110 views

Grep matching cell of the csv file and index of that row

I have csv file and I want to see numbers that start with 0.99 and their row's index which is the first cell of that row. This is what I have so far: cat fil.csv | grep '0\\.99'| tee > (cut -d, ...
3
votes
6answers
2k views

get first X characters from the cat command?

I have a text file I'm outputting to a variable in my shell script. I only need the first 50 characters however. I've tried using cat ${filename} cut -c1-50 but I'm getting far more than the first ...
1
vote
1answer
519 views

Split very big xml file into little pieces with specific line number count

This is how I did to extract the first 100000 lines from my big xml file (2gb): head source.xml -n 100000 > part.xml How can I keep splitting them to 100000 line (or specific file size chunks) ...
2
votes
1answer
263 views

“Argument list too long” while executing cut and sed in a subshell to set a variable

I have written a bash script with has a python code embedded within it. What I did was read in the file and cut it with the below bash commands and then I exported it so that the python code could use ...
0
votes
2answers
87 views

How to list only filenames removing directories and subdirectories

How can I get the list of only filenames and remove directory and subdirectories using find, sed, awk, cut or any. For e.g : I get list of all media files using find as such: find /var/warehouse/* ...
1
vote
2answers
78 views

Extract and format data with `cut` and `awk`

I have the below file in txt: "Firstname","Lastname","Company" "Alex","Johnson","Alex Corp." "Baran","Atasoy","G├╝lerler Ltd." I would like to extract and format data by using awk and/or cut and ...
2
votes
4answers
157 views

How do i Reverse output already piped from sort and cut commands

I have to take user input of there UID then use it to reference the /etc/passwd directory and sort the data by first name and display only username,firstname,lastname in that order. The problem i'm ...
1
vote
1answer
53 views

Linux log file structure change for usage with kst

My file (tcp dump from networked sensors) has this shape: 20:06:57.049686 IP (tos 0x0, ttl 64, id 26871, offset 0, flags [DF], proto UDP (17), length 68) e108-193.eduroam.tugraz.ac.at.34225 > ...
5
votes
1answer
214 views

Can not use `cut -c` (`--characters`) with UTF-8?

The command cut has an option -c to work on characters, instead of bytes with the option -b. But that does not seem to work, in en_US.UTF-8 locale: The second byte gives the second ASCII character ...
5
votes
6answers
5k views

A command to print only last 3 characters of a string

I know that the cut command can print the first n characters of a string but how to select the last n characters? If I have a string with a variable number of characters, how can I print only the ...
0
votes
0answers
34 views

How to find number of unique 'applications' in Debian jessie

This is a follow-up query on allpackages.txt.gz has two different file-sizes? $ wc -l allpackages.txt 57725 allpackages.txt I looked at the output and it says 57725 -6 the header files which is ...
0
votes
1answer
73 views

Cut one line on two [closed]

I want to delete one line on two with linux such that A B C D E becomes A D E how can I make it work?
0
votes
1answer
76 views

Does cut return any fields if separator does not exist

I executed cut -d '~' -f 2 on input RSC AED FCB A~RS and I obtained RSC AED FCB RS I realized that cut will return entire line if the delimiter does not exist. It is that true?
-2
votes
2answers
309 views

Grep and cut the selected field

I am trying to cut the field if a line starts with a particular name, cat $1|while read line do if [ "$1" = "custbills.cmp" ]; then acc_no=`grep "^Custbills" $1 | cut -c29-43` acc_type=`grep ...
3
votes
3answers
1k views

Get the part of a line before the last slash

I'm trying to write a conky script that shows my MPD album art, a 'folder.jpg' in the album folder. My current plan is to use mpc -f %file%, which prints out the file name and path, and then cut out ...
0
votes
0answers
234 views

wget: Retrieving a list of URLs when modifying input data file on the fly

This issue is currently driving me up the wall. It just does not work as it should. I have a file inp with audio samples to download where I preserved the internal ID number by parsing some other ...
1
vote
2answers
80 views

Getting the size of parent folders when using find to search for criteria?

I am hunting for a certain regular expression within the filenames and am seeking to return the parent folders with their sizes in a unique fashion. For example, here is the command that I expected ...
13
votes
3answers
8k views

Replace multiple spaces with one using 'tr' only

I have a file, f1.txt: ID Name 1 a 2 b 3 g 6 f The number of spaces is not fixed. What is the best way to replace all the white spaces with one space using only tr? ...
3
votes
4answers
622 views

Aggregate and group text file in perl or bash

I have a big text file(with 5m lines) in this format(4 columns, separated by ;): string1; string2; string3; userId The first 3 strings (SHA1s) form a single ID, called appId (so it can be ...
2
votes
4answers
874 views

Use `cut` to extract a list from /etc/passwd

How could I use the cut command to extract a list of usernames and login shells from the /etc/passwd file, where the resulting usernames and login shells are separated by a single space? Sort the ...
3
votes
4answers
871 views

How to cut everthing until a specific word / after a find in a script

Hello I try to get the output of files from today wich contains ERROR. I use this to find the files I want: find /home/user/logfilesError/ -maxdepth 1 -type f -name "gandalf_*"\ -daystart -mtime ...
7
votes
3answers
6k views

What are the exact differences between awk and cut with grep? [closed]

We know that we can get the second column of the line we want from a file using these two techniques: awk '/WORD/ { print $2 }' filename or grep WORD filename| cut -f 2 -d ' ' My questions are: ...
1
vote
2answers
438 views

How to show specific lines from specific columns of a file

First off, I'm not allowed awk, sed or perl. For my assignment I was given a file of employee list: Marketing Ranjit Singh FULLEagles Dean Johnson Marketing Ken Whillans FULLEagles ...
1
vote
2answers
82 views

numfmt invalid suffix input

I am using numfmt to convert a remote file's Content-Length from bytes to IEC format, i.e. 21M $ curl -sI http://jruby.org.s3.amazonaws.com/downloads/1.7.12/jruby-bin-1.7.12.tar.gz|grep Length|cut ...
4
votes
3answers
1k views

Dynamically trim stdout line width in Bash

Lately, I have been experimenting with the ps command, and sometimes long paths wrap to the next line (or two) and make it hard to read. I want to pipe the ps output into another program to limit the ...
1
vote
3answers
633 views

how to pipe the output of cut to the foreach command?

I have the cut command I want that grabs the first word in each line of a file. I then want to put each word from the cut command into a foreach. I then want to do a grep command inside the body of ...
16
votes
5answers
3k views

What constitudes a 'field' for the cut command?

For example, the cut command can take a parameter -f, which according to man select only these fields; also print any line that contains no delimiter character, unless the -s ...
4
votes
3answers
6k views

Range of the command cut in unix

I'm trying to make a shell script, I want to cut a string using the 'cut' unix command, as follows: namecmpaux=$(echo $namecmp |cut -c0-19) But when I run the shell tells me the following error: ...
2
votes
5answers
443 views

Print text between (and including) two delimiters on a line

What's the best way to print the text between (and including) the first pattern ("SELECT" or "SSELECT") and a second pattern ("[") using a command-line took (e.g. cut, sed, awk)? For example, given ...
5
votes
2answers
619 views

ls for cut -f string not working

I have a problem with feeding cut output to ls. This doesn't work: rep="S1_1000,0000-00-00c,0000-00-00d,0000-00-00e" ls tab_yeast/{`echo $rep | cut -f2- -d','`}*.tab.gz ls: cannot access ...
3
votes
2answers
145 views

Command in variable one are affecting output of other variable when displayed together in UNIX

I am having two file naming Extra_info and Class_info Class_info contains data : stuId stuName stuClass S01 jagdeep First S02 harsh First S03 Roop Second S04 Kali Third ...
0
votes
1answer
4k views

Display column that has a specific string

Content of a sample file is as follow: AA BB CC DD BB 1 2 3 4 9 5 6 7 8 10 I want to display the whole columns that contain BB and DD. In the real case, I do not know which columns contain ...
1
vote
1answer
32 views

selecting a field when you cannot count from the start [duplicate]

I have a long file ( 20000+ lines) where each of the lines is a description of a book: book_number "title of the book" size type author_number Where the element in quotes is a string with quotes ...
5
votes
5answers
335 views

A shell script to write selected fields to a single line

I have a log file trace.log which prints the time stamp, thread name and Transaction method and transaction ID as below. 2014-01-23 15:50:41,724 [catalina-exec-35] INFO TRANSACTION getConnection ...
3
votes
2answers
612 views

How do I use cut to separate by multiple whitespace?

I would like to get the last column of this sample: [ 3] 1.0- 2.0 sec 1.00 MBytes 8.39 Mbits/sec [ 3] 2.0- 3.0 sec 768 KBytes 6.29 Mbits/sec [ 3] 3.0- 4.0 sec 512 KBytes 4.19 Mbits/sec ...