Tag[awk] Recent Newest Questions

How do you reverse the certificate blocks given a CER file using a linux script?

How do you reverse the certificate blocks given a CER file using a linux script (i.e. awk, sed, etc..) ? So suppose I have a file called mycert.cer t ...

Parsing a large CSV file with unusual characters, spacing, brackets, and irregular returns in bash

I have a very large (1.5 GB) malformed CSV file I need to read into R, and while the file itself is a CSV, the delimiters break after a certain number ...

how to remove chr from vcf file using bash

I need to remove 'chr' from my vcf file. This is the aspect of the vcf file: I want to have the following one I have tried several ways like the ...

AWK replace full string in TABLE2 according to TABLE1

I have TABLE1 where first column is a string which should be replaced in the TABLE2 and second column in the TABLE1 is the value which should replace ...

awk to remove lines that finish with a character

I have a string: COL1 COL2 PRE test1/ PRE test1/ PRE test1 ...

Is it possible to work with 'for loop grep' commands?

I have lots of files in every year directory and in each file have long and large sentence like this for exmaple List item home/2001/2001ab.tx ...

Replace all lines after a match using sed or awk

I have the following txt file: The most important value on this file is what is on column 7th. I would like to fill all the empty lines right below ...

Need of awk command explaination

I want to know how the below command is working. I'd also like to know how to check the texts Oracle, OCI, and so on from the second line only.&nbs ...

How do I add a comma as my delimiter for the output of awk

How do I add a comma as my delimiter for the output of awk This is my attempt: What I want is this Below is just for my ref: ...

Analysis on the basis of comparison of 1st column of 1 files with 1st column of N number of files and print all files based of column 1

I have tab separated files and need to compare FILE_1 with N (10) files, If the IDS of column 1 of first file match with the 1st column of other files ...

How do I count the number of occurrences of a string in a column in each file, and output the result filename and count + awk

How do I count the number of occurrences of a string in a column in each file, and output the result filename and count + awk I have these 2 files, : ...

awk print lines until next match on the same line

I have the following type of data file: I need to change this to look like this: Basically look for the lines with 3 fields only and from there ...

Remove duplicates ignoring specific columns

I want to remove all duplicates from a file but ignoring the first 2 columns, I mean don't comparing those columns. This is my example input: I wa ...

search through regex pattern in a file

I have a file with data in below format I want to search for pattern *bit_top*FDIO* and *bit_top*REDEIO*in the file in each line and delete the com ...

Shell Script - get field/column of csv that contains value pass by array

Shell Script - get field/column of csv that contains value pass by array sample data of inputdata1.txt file has value like - sample data of test.c ...

Finding User Agents and IPs which make more than 10 req/s in access logs

I would like to find IP addresses and user agents that have made more than 10 server requests per second. Help me, please. How can I do this? Maybe wi ...

Create a matrix out of table using awk

I want to use this table: and make this matrix by using awk (or any other simple option in bash): I tried this but it didn't work: ...

If a row has a particular entry, creating a blank line in the output

I have input.txt like so: (a) If a row contains the symbol @, then, in the output, I want a newline/blankline. (b) If a row starts with a 0 and co ...

format jq output into a table

I want to fetch some data from below JSON code: I'm able to get the output using below command but now I want to format it in such a way that my outp ...

Simple Pattern match with a field and a variable does not seem to work in GAWK/AWK

I am trying to extract all lines where a field matches a pattern which is defined as a variable. I tried the following head input.dat | awk -F '|' -v ...