awk - pattern-directed scanning and processing language

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2answers
54 views

How to count the number of words of each sentences in a file using shell command?

I have text files like this: Mr.P.K.Baneerjee has visited the site today at 4.30pm The permit tag has been set in the ds busbar Opearation has been performed in presence of control engineer Opeation ...
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0answers
21 views

Output a particular character if the same column consists of a few defined characters with AWK

Let say I have a text file as below: G W G A A T G A A T R A T A R A G - G A And I already know that if the same column consist of "A", "G" and "T", I would like to output a "D". For column 2, ...
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2answers
69 views

How to extract 1st, 3rd, 5th of group of three lines by sed or awk?

Say I have a file: Line1 Line2 Line3 Line4 Line5 Line6 Line7 Line8 Line9 Line10 Line11 Line12 … I want to get: Line1 Line2 Line3 Line7 Line8 Line9 Line13 Line14 Line15 It means that I want ...
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1answer
33 views

Need to parse nginx access.log by minute, chunks for statistics - is there better way?

I need collect current data from it every minute to monitore amount of requests and errors. It's nginx's frontend log - with a lot of requests. It's formatted, rotated than archived every hour. So - ...
0
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1answer
51 views

What does vRS=“\n20” mean on the gawk command line?

Can any one please explain the below command: gawk -vRS="\n20" '/Job-157625/' log.1 We are using this command to get the log for the job. I know gawk is used to find/scan a pattern but I want to ...
1
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0answers
65 views

How to search for columns that contain specific values

I have a large tab-delimited text file (~40000 columns x ~20000 rows) that I am trying to search through. Each column in the file has a unique identifier in row 1. I have a separate list of a subset ...
1
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2answers
115 views

Grep multiple patterns and print a different number of lines below each of the patterns?

I am trying to find a way to grep/awk multiple patterns and then print a certain number of lines below the first pattern and a certain number of lines below the second pattern. For example .... ...
2
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1answer
45 views

How to read and do a min/max/avg from a NMEA stream

I have a weather station attached to my device spitting NMEA 0183 on /tty/USB0 I have alreeady sorted out how to parse the data and echo what I want in a script. What I need to do now is write the ...
0
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0answers
38 views

print duplicate fields in different columns from two files using awk

I have two large files. I am attempting to identify and print any duplicate fields to a new file. I have a 19 columns and over 100k rows. I need to compare columns 5-19 for duplicate values. ...
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1answer
75 views

how to extract lines between 2 patterns, and save them to different files

hej all, Let' say that we have this file: rrows 35 cols 51 spin 2 %band5 efermi=0.012538 0.004352 0.004317 0.004213 0.004047 0.003828 0.003570 0.003291 0.003011 0.002754 0.002544 0.002408 ...
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3answers
47 views

compare multiple files(more than two) with two different columns

I have four different files: file1, file2, file3, file4. Each file has 2 different columns separated by tab. I want to match first column of file1 (as reference) with the first column of second file, ...
1
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1answer
63 views

Pick columns from a variable length csv file

I have two CSV files, which share a column that is unique to each row in each file, like an ID. The files don't have a header. The file_2 has variable length columns e.g. 1,2,3 4,5,6,7,8 I joined ...
2
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4answers
79 views

Print alternating lines with conditional

Still struggling with messy logfiles. What I want is to find lines that first matching string X and then string Y. I then want to print them together. The problem is that, sometimes there is X, but no ...
3
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4answers
144 views

How to compare two dates without using Stat?

I'm trying to compare the last date modified of a file to today's date. If the modification date is before today's date then my script will do one thing, if the date matches todays date i need it to ...
2
votes
4answers
190 views

Replace values in column that contain numbers

I have a file that looks as so: chrom start stop strand isoform mu_codon mut_codon2 more_info chr22 43089055 43089055 - NM_017436 C 300 903delC chr22 43089715 43089717 ...
0
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1answer
46 views

Python output in XML format

I have a python script which compare IP list with IP Database and gives output of matching criteria. (I got the script from this forum). convert.py #!/usr/bin/python import socket,struct ...
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3answers
77 views

Remove characters in a specific column before a specific character

I have a file that looks like so: chr22 43089055 43089055 - NM_017436 C 300 903delC chr22 43089715-43089717 43089715-43089717 - NM_017436 CTT 79 I want to remove all the ...
3
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5answers
94 views

parsing a huge file with awk and extracting a subset

I have a huge file which looks like this chr10 98072 1 chr10 98073 1 chr10 98074 1 chr10 98075 2 chr10 98076 2 chr10 98077 3 chr10 98078 5 chr10 98079 5 chr11 98080 ...
0
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1answer
72 views

kill processes in one line with kill, awk, ps, and grep

I have a few processes that spring up and I am able to print a line of the pgid's that I would like to enter into a kill command. here is what I have: sudo ps o pgid,args | grep mininet: | sudo awk ...
0
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1answer
24 views

Awk split big file conditionally in multi output file

I have to split a 90 GB file in multiple file conditionally (the file is a multiple table file to split by single table). I have create a solution in ksh and awk that cycle on the table rules and ...
0
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1answer
53 views

How to extract particular fields from lines using shell commands?

File1: 27/07/2014 10.10.03 Breaker1 was closed by Mr. A.Basu Spectrum ui6dms 29/07/2014 04.50.53 Breaker1 was opened by Mr. D.Gupta Spectrum ui6dms and one note added 30/08/2014 03.20.01 EarthSwitch ...
1
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1answer
54 views

How to count the frequency of a word >20

Using exclusively AWK, I need to count the occurrence of a word only when greater than 20 characters. I've already found the way to count the frequency of a word, but I have some problems in setting ...
3
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3answers
168 views

awk and newlines in the input data

I want to find files in a directory and identify by their mimetype, not by the extension of the files. I'am using this command to determine the mime type: % find . -type f -print0 | xargs -0 -I{} ...
1
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1answer
80 views

Impute data by majority value per group

I have instruments in col1, their variables in col2 and calls in col3. In this example, there are 17 INS and 3 M types. Potentially there will be 17 x 3 rows. But some are missing. INS1 M1 AA ...
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2answers
67 views

Make awk and get columns

I have next issue: Look at the structure information: 0 PATRAC_1 False Normal Normal 3 Not configure We have seven columns, seven values, so, I need to get that values using awk, at ...
3
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2answers
335 views

Extract only chinese characters

I am working on a text written in Italian and Chinese and I need to extract only Chinese characters using AWK. How can I do this? I tried: [The range of Chinese Unicode chars is 4E00 thru 9FFF (344 ...
2
votes
1answer
77 views

Convert IP Address to Coordinates using database

I have a file which contains IP and I wanted to compare it to Coordinates using a local database (instead of API). I tried following a process and break down to pieces and created scripts referring ...
5
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1answer
76 views

awk Command Loop

awk '{print $1 ,": " $3}' Src.txt | column -t awk '{for(x=2;$x;++x) print $1, $x "\n"}' Src.txt | column -t These commands are working but formatting is not proper either I can only print column ...
2
votes
1answer
25 views

Extract values from block of data

I have the below block of data. Heap after GC invocations=31 (full 3): par new generation total 131008K, used 0K [0x00000000eac00000, 0x00000000f2c00000, 0x00000000f2c00000) eden space ...
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2answers
59 views

How do i search for certain sections of a file and then extract only relevant information within that section?

So I have a text file that is a server report and has about 1000 lines of information in it. I'm trying to write a script that can search the report for only certain pieces of information I'm looking ...
3
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2answers
82 views

Compare 2 Files if it falls between a range of numbers

I have 2 files, File 1: 4 7 2 File 2: 1 5 Alpha 6 10 Bravo 11 15 Charlie 16 21 Delta 22 30 Echo I want to compare every entry in file 1 if it lies between col 1 and col 2 of file 2 (should be ...
1
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3answers
224 views

Put big data of heterogenous byte offset into arrays by AWK

Assume the data consists of byte offset which is not fixed i.e. the distance of two subsequent file headers varies. The point of this thread is to go through each size of events separately in arrays. ...
3
votes
5answers
130 views

How to add column in the beginning of file using perl?

I want a Perl one-liner that checks whether the first fields of an input file is the file's name and, if it isn't, adds the file name as the first column on every line. Example written in shell : ...
8
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9answers
514 views

awk or sed to lowercase/uppercase only one character in string?

Is there a way how to uppercase/lowercase only one character in some string? Input Example: syslog_apr_24_30 syslog_mar_01_17 Desired output: syslog_Apr_24_30 syslog_Mar_01_17 Note please the ...
0
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2answers
48 views

Best way to iterate through the following awk command

I have the following awk statement awk '/^string$/{i=1;next} i && i++ <= 2' file This will search for string and then print 2 lines down. So as an example $ cat file string aaa bbb ccc ...
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2answers
42 views

sed or awk to get a string

I have a shell script with string=<deploymentTargets xmi:type="appdeployment:ClusteredTarget" xmi:id="ClusteredTarget_143378365 7353" name="cluster1"/> I want the value between name=" and ...
1
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1answer
23 views

calculate numbers on end and merge to one line

So in a file i have lines like these: thisdata:thisother:1337 thisdata:thisother:1800 thisdata:thisother:1500 thisdata:thisother:46984 I would like to output: thisdata:thisother:51621 for all ...
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1answer
19 views

Matching 2 different files by first column

So I have 2 different files. file1.txt is: abcdefjeiireiiioe:data:otherdata rijirjeiwrieeoooe:datamore:otherdatamore file2.txt is: abcdefjeiireiiioe:data:otherotherdata ...
0
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2answers
85 views

Using multiple awk commands within single line

Here is what am trying to do: My data is in sets of rows within same file (the variables vaa vbb are looping over it and am able to control it as required) What i need is to add an extra column before ...
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2answers
52 views

Using df and trying to awk a specific column

Among other problems with this script I am trying to make (this is the first unix/linux script I have ever made), I am trying to use df to get the % of disk space used and email it to the root. Our ...
7
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7answers
371 views

Removing numeric values in certain columns whilst keeping minus signs?

I put my hands up to being a complete beginner, so apologies if I'm doing this wrong. Say I have the following data frame that continues indefinitely horizontally and vertically with negative numbers ...
1
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1answer
36 views

Obtaining unique lines with matching strings [duplicate]

I have a JSON like text file of records with duplicate ids that look like: {"ID":"93" , "ST":[42,77,51]} {"ID":"21" , "ST":[43,4]} {"ID":"94" , "ST":[65,11,4]} {"ID":"93" , "ST":[42,77,51,29,63]} ...
1
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2answers
49 views

Concatenate multiple fields separately based on one (key) column

I have a tab-separated test data like this: A 1 2 B 3 4 B 5 6 C 7 8 I want to concatenate (aggregate) both column#2 and #3 based on duplicate values ...
2
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4answers
52 views

Sum of alternate values in a column using either sed or nawk

foo.txt: 1 10 11 2 20 22 3 30 32 4 40 42 5 50 52 6 60 62 7 70 72 8 80 82 9 90 92 10 100 110 Desired Out.txt : 1 10 11 2 20 22 3 ...
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2answers
153 views

Another awk(ward) question - mapping substrings with multi-keys

I have two files that look like this: mapping.txt: 100178 L08/2015 100180 L08/2015 103822 J03/2012 103823 A06/2012 103823 J02/2012 103823 J03/2012 ... input.txt: 100180011|225| ...
2
votes
3answers
70 views

Removing duplicates every X number of lines

Is it possible to remove only the AWD015F11 duplicate using Awk? I have a large file with one column. This happens every 24 rows. I have tried counting the rows in search for a pattern that I could ...
0
votes
1answer
41 views

Convert particular lines in a text file to bold [closed]

I have a text file with 100 lines in it. I want to convert particular lines, lets say line1, line6 , line27, line 48, line 86, line99 to bold. I am using solaris 5.10, with KSH. Is there a way I can ...
2
votes
2answers
48 views

Awk - keep word “example” and “EXAMPLE” with one input

I am attempting to to only keep customers that contain certain words. Here is an example < newname.txt awk 'BEGIN {FS=","} $7~/USA|United States/' > usa.txt The problem I am having is if they ...
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3answers
64 views

Bash to match two variables for time difference

I have a bash command which gives me following result (Fetch user account details from the mysql using command select creationdate from users; Name Account Creation Date Mobile User1 ...
6
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1answer
111 views

How can I extract/change lines in a text file whose data are separated into fields?

How can I manipulate field-based data from the commandline? For example How can I print only lines whose Nth field is foo? How can I print only lines whose Nth field isn't foo? How can I print only ...