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AWK QUESTIONS

awk count unique occurrences and print other columns
awk count unique occurrences and print other columns
it should still fix some issue You were close and you can do it all in awk, but if you are going to store the count based on field 1 and also have field 2 and field 3 available in END to output, you also need to store field 2 3 in arrays indexed by
TAG : awk
Date : January 11 2021, 03:28 PM , By : keird
How can I use awk to split a single line into multi lines?
How can I use awk to split a single line into multi lines?
like below fixes the issue Input: , I think I have a solution for you:
TAG : awk
Date : January 11 2021, 03:26 PM , By : Jesenko Mehmedbasic
Remove string after second underscore with AWK
Remove string after second underscore with AWK
With these it helps Using a regex based approach with sub() seems a wrong approach when you have a function like split() which can tackle the problem easily.You just use the split() function to split on the _ and use only the first two words. This is
TAG : awk
Date : January 02 2021, 10:54 PM , By : Ben Humphrys
Awk: print the cumulative sum next to the original value
Awk: print the cumulative sum next to the original value
this will help The input text file contains 4 fields which are separated by | as seen here:
TAG : awk
Date : January 02 2021, 06:48 AM , By : mckasty
Comparing 2 files using awk and print if matches
Comparing 2 files using awk and print if matches
This might help you There is a special bash command to do this job : [join][1]I suggest you to use it instead of awk as it would be more memory efficient.
TAG : awk
Date : January 02 2021, 06:48 AM , By : user155548
How to sum and sort a column of a tab file that contain comma data with Awk
How to sum and sort a column of a tab file that contain comma data with Awk
To fix the issue you can do I have a tab file like this, final_score.csv: , awk + sort solution:
TAG : awk
Date : January 02 2021, 06:48 AM , By : user183825
awk - file manipulation where a pattern need to be removed
awk - file manipulation where a pattern need to be removed
Any of those help I have a file with following records: , Using GNU awk 4.1.0 or later:
TAG : awk
Date : January 02 2021, 06:48 AM , By : user185144
Get the line number of the first line matching second pattern
Get the line number of the first line matching second pattern
Hope this helps Is it possible using awk or sed to get the line number of a line such that it is the first line matching a regex after another line matching another regex? , Input example :
TAG : awk
Date : January 02 2021, 06:48 AM , By : Antony Briggs
Finding max value using AWK
Finding max value using AWK
To fix the issue you can do When your fields are separated by something other that white space you need to tell awk what that something is by populating FS. You also need to set max to the first value read so the script will work for all-negative inp
TAG : awk
Date : January 02 2021, 06:48 AM , By : Fenix Drakken
How can you tell which characters are in which character classes?
How can you tell which characters are in which character classes?
With these it helps The following script will generate the set of chars in each character class (plus the \s, \S, \w, and \W extensions if your awk supports them) for your locale for the chars in the numeric range 0-127 as listed in the first table a
TAG : awk
Date : January 02 2021, 06:48 AM , By : Tim
How to find a file which contains only one string at the top and rest of the lines are empty using sed
How to find a file which contains only one string at the top and rest of the lines are empty using sed
I wish this help you sed is powerful and terse, but fairly unintelligent. GNU awk picks up the slack:
TAG : awk
Date : January 02 2021, 06:48 AM , By : Neuromaster
shuffle and edit columns in awk
shuffle and edit columns in awk
I hope this helps . You can split the first column to an array on the delimiter "-", then print out the part of the array you want:
TAG : awk
Date : January 02 2021, 06:48 AM , By : PPD
AWK iterate by 2? e.g. 1,1,2,2,3,3
AWK iterate by 2? e.g. 1,1,2,2,3,3
it should still fix some issue UPDATE: added more data to clarify the question... , Is this what you're trying to do?
TAG : awk
Date : January 02 2021, 06:48 AM , By : Robin Buitenhuis
awk: run time error: negative field index $-1
awk: run time error: negative field index $-1
This might help you I'm trying to print the first column and (when existing) the second last column, but sometimes the lines being processed only have one column. , You were close. This should do it:
TAG : awk
Date : January 02 2021, 05:18 AM , By : jim
Awk command has unexpected results when comparing two files
Awk command has unexpected results when comparing two files
wish helps you I am using an awk command to compare the first column in two file. , Set field separator to comma, and read file2 first:
TAG : awk
Date : January 01 2021, 04:56 PM , By : Tony Siu
How to print from match to end of file?
How to print from match to end of file?
To fix this issue I have a input: , Try the following:
TAG : awk
Date : January 01 2021, 06:35 AM , By : littlefuzz
How to use the eval statement in (g)awk?
How to use the eval statement in (g)awk?
To fix this issue That's in the documentation for the gawk debugger. It's not a normal gawk function.However, gawk does support calling a function whose name is in a string with the @var(args,...) notation (More information in the documentation):
TAG : awk
Date : December 31 2020, 03:06 AM , By : Tim Benninghoff
How to output lines longer than a specified number of words in Bash using awk or grep
How to output lines longer than a specified number of words in Bash using awk or grep
it should still fix some issue I want to output lines that are longer than a specified number of words, let say 5. I used awk as below, but it did not work for files containing very long sentences (exceeding 32767 fields).
TAG : awk
Date : December 31 2020, 03:04 AM , By : Jonathan
Transform a 1xA table into a BxC table in awk
Transform a 1xA table into a BxC table in awk
help you fix your problem I am trying to turn a 1xA table into a BxC table. Let's say A is 15, B is 3 and C is 5, hence after each 5 entries I want it to start a new row in the same table. , This should be one of the simplest solution:
TAG : awk
Date : December 30 2020, 04:10 PM , By : ChrisMe
How to print text after third same line?
How to print text after third same line?
like below fixes the issue I have an input - there are three times same line something and same line.
TAG : awk
Date : December 28 2020, 02:06 PM , By : boney M
If first field matches between files, replace next line with second field from other file
If first field matches between files, replace next line with second field from other file
This might help you I'm trying to replace lines in a file with strings from another file, if I have an ID match between files.
TAG : awk
Date : December 28 2020, 01:32 PM , By : vitorcoliveira
How do I match characters in a string in awk?
How do I match characters in a string in awk?
fixed the issue. Will look into that further I have a string, ie. yesterday. , I would use word boundary.
TAG : awk
Date : December 27 2020, 04:37 PM , By : sam
How can I use sed to generate an awk file?
How can I use sed to generate an awk file?
around this issue I'd use ed over sed for this, actually.A quick script that creates A.awk from A.txt and runs it on B.txt:
TAG : awk
Date : December 27 2020, 03:09 PM , By : Keniwan
Split a file after a certain number of unique entries
Split a file after a certain number of unique entries
To fix this issue Given a tab-delimited file: , Could you please try following(tested with given samples).
TAG : awk
Date : December 26 2020, 03:01 AM , By : 66.
multiple output from single input based on specific column in awk
multiple output from single input based on specific column in awk
Hope this helps you can fall back to awk default field splitting for exact matches instead of regex
TAG : awk
Date : December 25 2020, 01:01 PM , By : Robert M
output matching column from multiple input in awk
output matching column from multiple input in awk
wish help you to fix your issue Assumes there are some data from these two input which I only want, which is "A" from inputA.txt and "B" from inputB.txt , Could you please try following.
TAG : awk
Date : December 25 2020, 12:09 PM , By : Antony Briggs
How to write file names of input file?
How to write file names of input file?
This might help you NR (Number of Records) is a counter that monotonically increases, whereas FNR (Number of Records in the current File) is a counter that resets back to 1 at the first line of each file:
TAG : awk
Date : December 25 2020, 08:30 AM , By : TBG
Remove repetitive and sorting value with awk
Remove repetitive and sorting value with awk
I hope this helps you . the input.txt , Could you please try following(tested on your samples).
TAG : awk
Date : December 25 2020, 06:47 AM , By : Tim Coffman
awk: Adding a new column based on concatenated value of two columns
awk: Adding a new column based on concatenated value of two columns
With these it helps Your original code works for me using GNU awk but I suspect that not all awks support setting $(NF+1). To avoid that, try:
TAG : awk
Date : December 25 2020, 06:01 AM , By : Felix Almeida
How to add zeros to print according to number of digit in awk?
How to add zeros to print according to number of digit in awk?
With these it helps I have input:
TAG : awk
Date : December 25 2020, 01:01 AM , By : Derek
AWK Sentence doing looping for in the code to capitalize some fields
AWK Sentence doing looping for in the code to capitalize some fields
To fix the issue you can do Since Do the same in the 4th word of the field 1 and the 2nd in the 3rd field. and the other answers and some of the other text and examples in your question suggest you want to change selected space-separated sub fields o
TAG : awk
Date : December 23 2020, 08:30 PM , By : Thaweesak Suksuwan
Replace in every nth line starting from a certain line
Replace in every nth line starting from a certain line
Does that help I want to replace on every third line starting from second line using sed. , Something like this?
TAG : awk
Date : December 23 2020, 12:01 PM , By : Zinovate
Variable isn't updating as expected
Variable isn't updating as expected
seems to work fine a bit of a bracketing issue. BEGIN {} needs to setup the variables before each line. You were resetting per line. Also your if () needed {} around both clauses.Try this:
TAG : awk
Date : December 23 2020, 03:30 AM , By : KingGuppy
Finding sequence in data
Finding sequence in data
I wish this helpful for you I to use awk to find the sequence of pattern in a DNA data but I cannot figure out how to do it. I have a text file "test.tx" which contains a lot of data and I want to be able to match any sequence that starts with ATG an
TAG : awk
Date : December 22 2020, 07:01 PM , By : Mahyar Sepehr
Merge files print 0 in empty field
Merge files print 0 in empty field
like below fixes the issue I was going to wait til you included your own attempt in your question but since you have 2 answers already anyway....
TAG : awk
Date : December 22 2020, 07:01 AM , By : Cowtung
Adding information to a file using data from other file
Adding information to a file using data from other file
To fix the issue you can do I would like to add all information for file1 in each record for file2. , This awk should do:
TAG : awk
Date : December 21 2020, 04:41 AM , By : PPD
How do I insert the filename and header to the beginning of a csv using sed/awk/bash/unix tools?
How do I insert the filename and header to the beginning of a csv using sed/awk/bash/unix tools?
This might help you My file names are like this.
TAG : awk
Date : December 10 2020, 07:45 AM , By : Steven Weber
What is a more efficient way to get the first match from a reverse file search using some combination of awk grep and se
What is a more efficient way to get the first match from a reverse file search using some combination of awk grep and se
like below fixes the issue I am working on an operating system with limited utilities. Utilities like tail, head, and tac are not available! sed, awk, and Grep are available, but grep does not have the -m option for stopping after the first find. see
TAG : awk
Date : December 06 2020, 11:48 PM , By : Icyflash
Match specific pattern and print just the matched string in the previous line
Match specific pattern and print just the matched string in the previous line
With these it helps I update the question with additional information
TAG : awk
Date : December 05 2020, 12:14 PM , By : Ronnie Carlin
What vimrc settings control syntax highlighting of indented awk code in markdown?
What vimrc settings control syntax highlighting of indented awk code in markdown?
With these it helps That information is not enough to get vim to understand how to highlight your block of code. "Fenced" refers to code that is bounded by triple backticks as follows:
TAG : awk
Date : December 01 2020, 04:52 PM , By : Kubla Khan
How to use sed/awk to replace the original file and get the following desired output?
How to use sed/awk to replace the original file and get the following desired output?
this will help I'm writing a bash scrip that would translate one file to another, and am encountering an issue. , Here is a sed script that will do it:
TAG : awk
Date : November 28 2020, 12:01 PM , By : helloedwin
Grep that tolerates mismatches to subset .fastq
Grep that tolerates mismatches to subset .fastq
To fix this issue Here is a solution using agrep to get the record numbers of matches and an awk that prints out those records with some context (due to missing -Aand -B in agrep):
TAG : awk
Date : November 27 2020, 04:01 AM , By : CrimsonGore
Using multicharacter field separator using AWK
Using multicharacter field separator using AWK
wish helps you The pipe | character seems to be confusing awk into thinking that \t|\t implies that the field separator could be one of \t or \t. Tell awk to interpret the | literally.
TAG : awk
Date : November 27 2020, 01:01 AM , By : FriendL
Awk or Gawk to do data matching and merging
Awk or Gawk to do data matching and merging
To fix this issue awk is pipe-based linux command. To feed input file and get output, you can do like this: awk -F\t '{a=$1 "\t" $2; $1=$2=""; x[a] = x[a] $0} END {for(y in x) print y,x[y]}' < INPUT.TXT > OUTPUT.TXTHowever, the awk program above can
TAG : awk
Date : November 25 2020, 01:01 AM , By : Reiner
AWK : Ensure only one blank line after the output block
AWK : Ensure only one blank line after the output block
help you fix your problem Based on your comment below that you actually want the line that matches /Reco/ and 2 subsequent lines and a blank line (to be inserted after that) here's how to do that based on idiom "g" below:
TAG : awk
Date : November 22 2020, 10:58 AM , By : Terrence Poon
transposing data by parts
transposing data by parts
will be helpful for those in need I would like to transpose this data: , awk to the rescue!
TAG : awk
Date : November 19 2020, 03:01 PM , By : beebob
Awk between two dates in a logfile - almost working
Awk between two dates in a logfile - almost working
should help you out You should transform date to a format YYYYMMDD so it can be lexicographilly ordered. You can do it with gawk and regex, or by doing substrings operations with awk. Here is the gawk way
TAG : awk
Date : November 18 2020, 03:42 PM , By : Alan Little
Addition of particular numbers in a file using awk or grep
Addition of particular numbers in a file using awk or grep
hop of those help? I am looking for something like this:
TAG : awk
Date : November 17 2020, 11:55 AM , By : koder
joining the contents of three files into one
joining the contents of three files into one
it should still fix some issue This awk program maintains the order of the keys. It keeps the keys seen in a numerically indexed array
TAG : awk
Date : November 14 2020, 05:18 PM , By : ap.
Assign a value to a gnuplot function out of a data file
Assign a value to a gnuplot function out of a data file
This might help you In Gnuplot, I try to assign a value to a function f(x) from a two column data file in order to plot that function as a horizontal line. , I suggest this approach:
TAG : awk
Date : November 07 2020, 01:33 PM , By : DarrenBeck
Terminal, du file and awk
Terminal, du file and awk
To fix the issue you can do I'm trying to print the names, the types and the sizes of all files and subdirectories, using du, file and awk in bash. my code so far is: , Try this :
TAG : awk
Date : November 07 2020, 04:01 AM , By : Singularity
AWK: Find a sentence in one file and replace it with a sentence from another file
AWK: Find a sentence in one file and replace it with a sentence from another file
Hope this helps If the matching cannot be based on the content of the comments but on the number of the comment within the file (i.e., first comment, second comment...) and if only the comment has to be replaced, try this
TAG : awk
Date : November 06 2020, 09:01 AM , By : Kenny
Can't match a string with 2-digit number at the end
Can't match a string with 2-digit number at the end
hop of those help? What the heck is wrong here: , At first blush, the code seems to work (from bash)...
TAG : awk
Date : November 06 2020, 04:03 AM , By : Kaveh
AWK: Edit values in columns when a pattern is met
AWK: Edit values in columns when a pattern is met
it helps some times I have a tab separated csv file with 3500 lines. On this file, I have to edit the values in columns 5 and 6, depending on the values of columns 3, 4 and 5. , Give this a shot...
TAG : awk
Date : October 31 2020, 01:47 PM , By : flesk
renaming fasta headers in order
renaming fasta headers in order
I wish this help you I have multiple fasta files and each file with 8 headers always in the same order (in term of species). For example it is like , awk to the rescue!
TAG : awk
Date : October 24 2020, 01:32 PM , By : Thaweesak Suksuwan
AWK: search for filename within another text file producing syntax error
AWK: search for filename within another text file producing syntax error
this will help instead of escaping special chars, just do an exact match, pass the value as an awk variable
TAG : awk
Date : October 23 2020, 08:10 AM , By : Sigfrieg
Extract info using awk
Extract info using awk
To fix this issue Considering that your actual Input_file is same as shown samples. Could you please try following.
TAG : awk
Date : October 14 2020, 08:10 PM , By : Johannes
How to use sed to isolate linux fingerprint in output of "ssh-keygen -if"
How to use sed to isolate linux fingerprint in output of "ssh-keygen -if"
like below fixes the issue I need to isolate the ssh fingerprint on a linux box with code. I can run ssh-keygen -lf /etc/ssh/ssh_host_rsa_key.pub to get it: , If you just like 11:11:11:11:11:blah:blah try:
TAG : awk
Date : October 09 2020, 06:00 AM , By : nagre
AWK: cannot open "04477C9A875B80.csv" for output (Too many open files)
AWK: cannot open "04477C9A875B80.csv" for output (Too many open files)
Does that help You're trying to close the output file before you open it to write to it instead of after you've opened it. Change this:
TAG : awk
Date : October 07 2020, 08:00 PM , By : Gabriel
Stop AWK from replacing tabs with spaces
Stop AWK from replacing tabs with spaces
this one helps. I am trying to modify the first character of each line in a file separated by both spaces and tabs.
TAG : awk
Date : October 07 2020, 07:00 AM , By : RyanMcG

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