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AWK QUESTIONS

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 : October 31 2020, 08:00 PM , By : Sebo
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 : October 16 2020, 06:10 AM , By : Ammad Fareed
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 : October 12 2020, 01:00 PM , By : JackH
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 : October 12 2020, 03:00 AM , By : Ron
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 : October 11 2020, 08:00 PM , By : cup_noodles
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 : October 11 2020, 07:00 AM , By : Carlos J.
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 : October 11 2020, 05:00 AM , By : Ayume
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 : October 10 2020, 11:00 PM , By : Biman
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 : October 09 2020, 06:00 PM , By : Mica Shane Millo
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 : October 09 2020, 11:00 AM , By : Pemberton
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 : Prachi Chandak
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 : John Mike
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 : Rookie119
Is there an alternative way to express whole line $0 in awk?
Is there an alternative way to express whole line $0 in awk?
fixed the issue. Will look into that further $0 is a perfectly valid character sequence within a string in Groovy. It's just not valid in a string literal.If you want to represent $0 in a Groovy string, write it as "\$0".
TAG : awk
Date : October 07 2020, 04:00 AM , By : Deren Bajakian
How to retain precision of arithmetic operation using AWK printf of column manipulation
How to retain precision of arithmetic operation using AWK printf of column manipulation
will be helpful for those in need With standard awk you will probably get inaccurate results. If you have GNU awk available you can achieve this with the --bignum flag and setting OFMT and PREC appropriately:
TAG : awk
Date : October 06 2020, 06:00 AM , By : Ovi Bodean
Comparision of floats using awk one liner
Comparision of floats using awk one liner
will help you I really don't understand why you use less, then grep, then head, then awk. Usually when you use awk, you can avoid using all the other commands.Using grep, you could do :
TAG : awk
Date : October 05 2020, 09:00 PM , By : Ni├▒oReyLacapag
Awk failing extraction
Awk failing extraction
Does that help This appears to be a math problem. NR%386 will never be 386 because of the way the modulus operator works (there is no remainder when you divide 386 by 386). So your n==386 will never get executed. Try using (NR-1)%386 instead of NR%38
TAG : awk
Date : October 04 2020, 10:00 PM , By : Dom78
how to input and output in hexadecimal format in awk?
how to input and output in hexadecimal format in awk?
hop of those help? I have a file like this : , Try this.
TAG : awk
Date : October 04 2020, 05:00 AM , By : Sutoni
How to use awk to do case conversion?
How to use awk to do case conversion?
will help you I am trying to take some text that is all lowercase i.e. firstname.lastname and using awk, make it capital First.Last. The problem I'm seeing is the period needs to come through as a literal character, and the last name needs to be capi
TAG : awk
Date : October 04 2020, 05:00 AM , By : J.Young
Using awk to calculate negative exponents
Using awk to calculate negative exponents
it fixes the issue I'm using awk to scale a number but awk gives an incorrect answer. Take for example: VALUE=-565 and SCALE=10E-3 , 10e-3 is 0.01, not 0.001, so the answer it correct
TAG : awk
Date : October 03 2020, 03:00 AM , By : hrindia
awk compare two columns in same file with letters in one column
awk compare two columns in same file with letters in one column
it should still fix some issue how todo column matching in same file. for e.g compare server and FQDN column. FQDN column has extra words so i couldn't find way to strip. , Test a substring of $5 that has same length as $1:
TAG : awk
Date : October 02 2020, 07:00 PM , By : Stiv├źn Korumi
AWK select rows where all columns are equal
AWK select rows where all columns are equal
it fixes the issue If you guarantee no field contains regex-active chars and the first field never match the second, and there is no blank line in the input:
TAG : awk
Date : October 02 2020, 08:00 AM , By : ashish awale
Apply comma in awk on every element except the last one
Apply comma in awk on every element except the last one
I hope this helps . I want to get a list of all kubernetes nodes with seperated by comma for using it in NO_PROXY env variable and wrote the following commands: , You don't need grep there
TAG : awk
Date : October 01 2020, 02:00 PM , By : frank2679
Filtering rows based on column values of csv file
Filtering rows based on column values of csv file
will be helpful for those in need Considering that your header will be on 1st row, could you please try following.
TAG : awk
Date : October 01 2020, 05:00 AM , By : nidheesh km
Replacing multiple character using awk with , comma for csv
Replacing multiple character using awk with , comma for csv
I wish did fix the issue. Extract the text after last space and print it separated with a comma:
TAG : awk
Date : October 01 2020, 12:00 AM , By : LGonzalez
How to rearrange text on each line of a file?
How to rearrange text on each line of a file?
I hope this helps you . Split on comma and then print the tokens in reverse like so:awk -F, '{print $2, $1}'
TAG : awk
Date : September 30 2020, 04:00 PM , By : Arti
How to delete top and last non empty lines of the file
How to delete top and last non empty lines of the file
this one helps. I want to delete top and last non empty line of the file. , This is a double pass method:
TAG : awk
Date : September 29 2020, 07:00 PM , By : nykiez
How to print multiple files in awk?
How to print multiple files in awk?
This might help you Assuming you are running this in BASH, the [01-11] second is not in the correct format. Instead, consider the following:
TAG : awk
Date : September 28 2020, 10:00 PM , By : Cheng Peng
GNU awk on win-7 cmd, won't redirect output to file
GNU awk on win-7 cmd, won't redirect output to file
like below fixes the issue Yes, you have problems with how cmd parser deals with where quoted areas start/end. What cmd sees is
TAG : awk
Date : September 28 2020, 12:00 PM , By : Ronaldo Lombardi
How to delete heading remaining spaces after deleting many fields?
How to delete heading remaining spaces after deleting many fields?
To fix this issue (sorry but i will write "I" as "i" because "I" is always confused with pipe character;) , Remove all leading spaces from $0 with GNU awk:
TAG : awk
Date : September 28 2020, 04:00 AM , By : Saurabh Kumar
Compare two column in two different files using awk
Compare two column in two different files using awk
Any of those help We have to set different FS for both Input_file(s) since once Input_file is PIPE(|) delimited and other is not, could you please try following. This will only print those lines which are NOT in Input_file2 and present in Input_file1
TAG : awk
Date : September 27 2020, 08:00 PM , By : Lock
How to delete from match pattern in a specific column until end of file
How to delete from match pattern in a specific column until end of file
To fix the issue you can do Not sure if I got your problem correctly IMHO I believe you need following.
TAG : awk
Date : September 27 2020, 01:00 PM , By : Tim R
extract columns from file based on list of header from 2nd file
extract columns from file based on list of header from 2nd file
like below fixes the issue I have a big data file with many headers and the file is space delimited ( no tab or comma). I have another text file with single column of the desired headers. the headers contains numbers and letter. I am trying to use aw
TAG : awk
Date : September 26 2020, 12:00 PM , By : Gammal
Get the line number of the last line with non-blank characters
Get the line number of the last line with non-blank characters
I wish this helpful for you I have a file which has the following content: , This is easily done with awk,
TAG : awk
Date : September 25 2020, 06:00 AM , By : sharma ravi
sed for insert x digit until y digits
sed for insert x digit until y digits
seems to work fine How to add some 0 (or something else) digit until x digits. (with sed) example: , With bash:
TAG : awk
Date : September 24 2020, 04:00 AM , By : Sim zhou
Find between lines start and end: awk with bash variables and add new paragraph everytime
Find between lines start and end: awk with bash variables and add new paragraph everytime
wish help you to fix your issue Why not simply add another variable to use as a flag variable to control printing. (e.g. prn=0, then when start is found set prn=1 and print all lines if prn=1, then exit when finish is reached). For example you could
TAG : awk
Date : September 21 2020, 11:00 AM , By : Saurabh Manchanda
Awk multi character field separator containing caret not working as expected
Awk multi character field separator containing caret not working as expected
Hope this helps The -F variable in awk takes a regular expression as its value. So the value ^ is interpreted as a special anchor regex pattern which need to be deprived of its special meaning. So you escape it a with a literal backslash \ character
TAG : awk
Date : September 21 2020, 08:00 AM , By : Mufaddal Sabir
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