Awk Questions

AWK command to replace nth field from file1 to file2 at the nth line

I have two files containing records as below: file1: 1,2,3,a|x|z,4,5 and

awk print line of file2 based on condition of file1

I have two files: cat file1: 0 xxx 1 yyy 1 zzz 0 aaa cat file2: a bbb b ccc c ddd d eee

awk: Print string in file2 not matching with string file2

I have two file with comma separated values, i want to remove all the strings in file1 matching with strings in file 2. file1:

Manipulating n different files and printing their maximum value to a newfile

I have 1000 data files- f1.dat, f2.dat, ....., f1000.dat f1.dat f2.dat f3.dat f4.dat 2 3 3 3 4 3 3

Print values from both files using awk as vlookup

I have two files, file1: 1 i0626_all 0 0 1 1 2 i0627_all 0 0 2 1 3 i1137_all_published 0 0 1 1 4 i1859_all 0 0 2 1 5 i2497_all

Using awk to retrieve a specific set of strings from a file

Textfilea consists of: mango:oval:yellow:18pcs apple:irregular:red:12pcs orange:round:orange:4pcs i wanted to do

How can I get the list of indices an associative array has?

I have an associative array in awk, and i can iterate over the values of the array using (e.g.) for (v in array)

Need to replace a character in file2 with string in file1

Here is what i am trying to do. file1: abc bcd cde def efg fgh ghi file2:

Match a string from File1 in File2 and replace the string in File1 with corresponding matched string in File2

The title may be confusing, here's what i'm trying to do: file1

Match list from one file1, extract corresponding lines form file 2

Suppose i have a reference list, say file1.txt, which contains: a b c d and i have

How to append each column of file1 to a specific field of file2 and make a new output file?

I want to append each column of file 1 as the 4th column of file 2 and export as a new file with the column number from file 1 or something

AWK script replace record in file1 with same record from file2

I'm trying to parse file2 for record 23 and use it to replace file1's record 23. this is the command i'd like to run each time.

Need to replace string in file2 that matches first column of file1 with second column of file1

So, if the title didn't make sense, here's what i'm trying to do: i have file1: 66.115.135.84:123.123.123.1

awk Removing some spaces from the end of a column

I am trying to remove 2 spaces from the end of the second column of my file using this command: awk '{gsub(/[ \$]/, "",

How to find all matches of IP v4 addresses and subnets in a text file and print matches line by line with given prefix using only one command?

I would like to replace this pipeline of three commands with one. i think that it is possible to achieve a similar result with only awk or

Using awk to read every 5 lines from a file to a new file with name file_# where # is incremented based on the current iteration

I have a file with 200 lines in it. i want awk to read every 5 lines and create a file for it (whose file name will be file_#). when

Select specific fields from DB export that includes Json

I have an export from a db table that has the following columns: name|value|age|external_atributes the

Command "python --verson" using "awk" extract version number

I know following command can show version of python $ python --version

How to add quotes from specific delimiter to end of the line in Shell Script?

I am trying to modify a file: (file.txt) abc~123~xyz~123456~12~0.12~14~1.1~ omn~124~xdz~923231~13~0.0~13~1.1~14~0.45~19~80.1~

Compare two files with string and output required for specific format

Thank you for your answer at https://stackoverflow.com/questions/71080087 @ravindersingh13 in questions/71080087, i compared

Match Multiple Columns In Two Files - Output Only Those That Match Fully

Inserting strings every so many lines with awk

I am trying to insert command strings and having difficulty with my syntax. i'm trying to get the "mv" every other line,

what is the efficient way to change huge file in place

I have huge file(~2000000 lines) and i am trying to replace few different patterns while i am reading the file only once. so i am guessing

awk remove before match but after empty line

I didn't find the exact similar question, so i need to ask: i have a file

Using bash script to remove from sentence words longer than [x] characters

I have a sentence (array) and i would like to remove from it all words longer than 8 characters. example sentence:

Permutate removal of defined substrings with varying length from strings

I am trying to generate all permutations from a list of strings where certain substrings of characters are removed. i have a list of certain

How to remove anything enclosed in : from a text?

I have a text which includes multiple substrings like :xxx: which should be removed using awk. the xxx-part could be any

AWK: how to sort column in awk script as part of a for loop

I have the following awk script: #!/usr/bin/env bash awk ' begin{ fs=ofs="\t"; printf

Comparing two files based on multiple field using awk ( or may be python)

I want to compare two files and display the differences and the missing records in both files. based on suggestions on this forum, i found awk is

Extract text from file in Linux: specific line; between 2 different patterns

I have a bunch of text files, all with the same structure, and i need to extract a specific piece in a specific line. i can easily extract

Caret regexp produces no output in mawk

I am trying to print all files in /usr/bin/ where the filename starts with a v. this works, ls -la

Extract similar lines from multiple files in folder

I have a directory with about 30 python files with a similar pattern, something like this: import stuff class

Get only third and sixth column from command output of pdffonts

I am using poppler pdffonts to get fonts in a pdf document. below is the sample output $ pdffonts "some.pdf" name

Awk commands for changing letters in a file with multiple outputs

I have an input file which looks like this: input.txt thisisanexampleofaninputfilewithalongstringoftext i have

Select specific lines with awk but not range

I would like to select lines from file. i'm interested in three specific lines. input: line1 line2 line3 line4 line5 line6

Text transform with awk

I have a simple question - how do you re-write the following text with awk or similar command: from text1|number1;number2

Check if there is space in specific range of indexes in a line in a file and replace the space with 0

I have the following issue which i am facing. i have several lines in a file and i have an example shown below. the values between position 4-10

Please help fith edit text

Please help me to edit, i need to take the names and s\n numbers. i try used sed,awk. from this files

split files to key value pair

Input file - name: appenv value: staging - name: elasticsearch_user value: elastic

delete CSV file row based on the value of a column in command line

Here is how my dataset looks like, i am trying to filter out country that the 4th column is >= 1000. marshall

How to iteratively find number of lines between two patterns?

This question is similar, but distinct from

Print json block from a json array on new line joined by '#'

I have a json array that looks as below - [ { "code": "some code", "name": "some

How to apply an awk command to a field defined by another awk command?

I have 2 tasks to perform over a data string separated by fields, i could come up with an awk command for each task separatedly, but what i need

run awk date conversion in python 3.6 subprocess

I am trying to write the following awk line into python awk -f, '{cmd="date -d \""$2"\" +%s"; cmd | getline date; printf

cat/sed: concatenation of the fragments of the log filles

I have a folder consisted of many logs. each log have a similar format. this is the log1 finding intermodel h-bonds finding

AWK replace string in file with javascript code

I want to replace a constant javascript line in awk with some code i read from a file . interactively running this at the command line in bash

How to pass parameters to an awk command from a running Node script?

The following javascript code doesn't pass a command string correctly: cp = require("child_process"); var command = "awk < " +

Count number of concurring events

This question is related to the previous question linked here

How to read different files from different directories with pattern

I have directories structure: --- main_dir ------ aaa --------subaaa ----------file ------ xxx --------subxxx ----------file

Linux shell: Base64 Decode with removing line breaks

i have a file where each line is a base64-encoded xml document. the decoded xml documents may contain new line characters. i would like to grep

Counting time periods with awk?

Data is in file data.csv with the next format: 11;study area;class name

How to make a strict match with awk

I am querying one file with the other file and have them as following: file1: angela s darvill| text text text text helen

how to print n words of context while searching text

By way of analogy, i have used grep with -c many times. but it prints n lines of context. instead i want n words. any solution using perl / bash /

Annotate last use of variables in (c) source code with (g)awk

I have a file with c sourcecode such as func2(&x5, &x6, x4, (arg1[3])); func2(&x7, &x8, x4, (arg1[2]));

How do I calculate values extracted from a file using grep and use those value to calculate

I need to calculate some values in a file (case1.log) which contains, fault classes

Is there a way to change "." to "0" in a tsv file?

I am new to coding, as well as this portal, and any help is welcomed warmly. i have a tsv file with the contents of each cell being denoted by

how do I use awk to print starting at pattern, end at another pattern then exit?

I have a text file that has the following format: 50000 55000 60000 65000 150000 160000 i want to

Pipe curl to awk to download and unzip files

I want to download all files from this section of a html page : <td><a

How to apply awk command to a specific field only

I have found a partial solution to my issue in:

How to extract (First match)text between two words

I have a file having the following structure destination list move from station d-435-435 to point place1 move from station

csv file operation: compare two csv files and return all matched line with header

I am trying to compare columns of two csv files and save all matched lines to a new csv file with a header. below are the example files

Printing alias from ~/.ssh/config— with or without trailing hyphen

I have following file, it's a config file for ssh. host vps2 # linode hostname xxx.xx.xx.xxx user foo_user host vps3 #

Change ID string in vcf file with awk

I have a vcf file with snp ids like this: ax-14233402__rs35404821 ax-37499887__rs74704183 ax-36783275__rs11997571

How to split up log file with awk or sed. Replacement for python script

Lets assume you have an instrument log file for each single day. during the day several reboots may happen. for some reason you want to have a

Remove lines are between two line numbers (or patterns) with sed [no duplicate]

I saw and read many topics about my problem, but they didn't help me. a close topic to my problem but it didn't help me:

efficiently grep strings between 2 patterns in LARGE log files

I am trying to parse large log file by grep strings between 2 different patterns example : line1 line2 ... linen pattern1

Merge multiple lines based on pattern with sed

This is an output example of git's log in json format. the issue is that, from time to time, the body key has got break lines in it,

Compare two files and print matching line in the output file

I would like to compare the first column of two files file a and file b(containing many columns) and print the first two columns of file b if

move short lines to previous line

I want to move short lines (let say shorter than 60 characters), to the previous line. there's a similar question :

Extract information from file in format " nameofthefile:owner:permissions(numeric):size(in MB) " from the file below using sed or awk or grep

File: /boot/initrd.img-5.4.0-74-generic size: 86873155 blocks: 169680 io block: 4096 regular file device: 805h/2053d

Awk Questions

Blog Categories