awk - pattern-directed scanning and processing language

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1answer
37 views

Bash script to summarize “ last -a ”

I would like to make a shell script such that it runs the " last -a " command and summarizes it's data in the form : userID : number of login sessions Host or ip1 - number of ...
-3
votes
1answer
25 views

How do i create a sed script to prompt the user to replace a number in a file? [duplicate]

I'm new in Unix, and I'm learning about sed command. I need to write a very small script for searching a number in a file and replacing it. I tried doing grep, and than deleting the specific phone ...
3
votes
1answer
54 views

A common way of combining two files in Solaris and Linux

I am trying to write a script that would combine two files into one and should work in both Solaris 5.10 and a Linux box. File1: dit710 dit710 dit720 dit720 File2: FacA D0000000000000001 FacA ...
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0answers
16 views

Find and redirect to capture pattern filename

I'm looking a way to do something like: find /path -name "201[2-6]*" | awk -F"/" '{print $5"/"$6"/"$7"/"$8",0,0,0"}' > archives_201\1.csv where archives_201\1.csv could be archives_201[2-6].csv ...
0
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1answer
42 views

Column comparison using awk [duplicate]

I would like to compare the first column of file1 with the second column of file2 and only if they match it should display any matching lines in file2 only as the output. The columns are separated by ...
1
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1answer
27 views

Split large log file into pieces based on date

I am trying to work out a Linux command to split a large log file into pieces based on date. Using ...
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3answers
31 views

How can I designate range within an column when making an awk file?

I have this data file which I want to sort out by making an awk file. I want to find the average rate within certain range of ages. For example, from 10<age<20and 20<age<30. And I can't ...
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4answers
13k views

Using sed/awk to remove anything after first space

aaaaaaaa 09 bbbbbbbb 90 ccccccccccccccc 89 ddddd 09 Using sed/awk/replace, in the above text I want to remove anything that comes after the first space in each line. For example the output ...
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3answers
82 views

Replace multiple lines with a string when the line numbers are stored in a file

I have a file with few million lines, all the same. just for an example: Known Known Known Known Known Known ... I have another file with few thousand line numbers, for an example: 3 5 6 ... I ...
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5answers
129 views

How to print nth line after match / empty lines

I'm trying to write a short script that finds empty lines and then prints the nth line after the empty lines. For foo1 foo2 foo3 bar1 bar2 bar3 spam1 spam2 spam3 eggs1 eggs2 eggs3 printing ...
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1answer
16 views

Separate values based on record

Using awk is it doable to separate values based on a certain record? Let's say we have following file: ACCJSH PREMIUM I5001 7 5976 7 @# 0.2 5195 5231 0.2 @# 39 5197 39 @# If we take the @# for ...
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2answers
25 views

Need help in removing XML Tags with empty properties

Input File: <ServiceArea type="STATE" value="DC"> <DaylightSavingsUsed value="true"/> <FemtoSipProxyAddress value="10.13.123.100"/> <TermAuthAAAPSK ...
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votes
3answers
121 views

Add mtime to grep -c output and sort the output by mtime

I have a directory full of logs named in the following style: info.log00001 info.log00002 info.log00003 ... info.log09999 info.log My current output (using grep -c) I need to analyze the ...
1
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2answers
57 views

Tar files starting with the same pattern

I have some log files named : 2016-02-10_03-52.log 2016-02-10_04-43.log 2016-02-10_02-13.log ... 2016-03-15_07-03.log 2016-03-15_09-08.log Basically the pattern is : YYYY-MM-DD_.log I would ...
0
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1answer
33 views

How can i remove duplicates from the output of tshark output [duplicate]

sudo tshark -i ppp0 'tcp port 80 \ and (((ip[2:2] - ((ip[0]&0xf)<<2)) - ((tcp[12]&0xf0)>>2)) != 0)' \ -R'http.request.method == "GET" && http.request.uri contains ...
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2answers
51 views

Help in making multiple lines as single lines

I have below 4 lines: EXTRACT ETEST Last Started 2016-03-20 20:56 Status RUNNING Checkpoint Lag 00:00:02 (updated 00:00:04 ago) EXTRACT PTEST Initialized 2016-03-31 06:25 Status ...
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votes
1answer
51 views

Organize a file [closed]

I want to thank the great help and support. Well, I have the following file: name id alello chr pos snp s1 215 a 1 11 a215 s1 216 a 1 11 a216 s1 217 ...
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2answers
37 views

How To Use Awk To Print Between Two Positional Parameters

Is there a way to print everything after a positional parameters using awk? What I would like the following command to print is "p4 p5 p6 p7" echo p1 p2 p3 p4 p5 p6 p7 | awk '{print $4...}' ...
5
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2answers
218 views

Case-insensitive search in awk

I need to search for a keyword using awk, but I want to perform a case-insensitive (non case sensitive) search. I think the best approach is to capitalize both the search term ("key word") and the ...
1
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2answers
44 views

Compare 1st column of the 1st file and 2nd column of the 2nd file and get the the output as following [duplicate]

File1: Excel file (.xls) UN ID St M1 M2 SE DOF PV PA FC 17127159 0 -5.9 297.3 765.7 0.22 4 0.003 0.00389231 2.57536 17127163 2 ...
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1answer
53 views

Compare 1st column of the 1st file and 2nd column of the 2nd file and matching

File1: Excel file (.xls) UN ID St M1 M2 SE DOF PV PA FC 17127159 0 -5.9 297.3 765.7 0.22 4 0.003 0.00389231 2.57536 17127163 2 ...
0
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1answer
36 views

How to compare (using greater than and less than symbols) strings using awk [duplicate]

This is my input file: PA43171-7,1,3,/vobs/atlas-idc/src/utils/logger/IDCLogger/IDC.cpp,48,12:01:16.086‌​.660, Valid Sensor Reading,Date = 08-19-2014 , Time = 12:01:16 Voltage Sensor=11 , V$ $=11 , ...
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2answers
83 views

how does this work in awk even without print?

bash-3.00# cat > b1.txt AAA,Apples,123 BBB,Bananas,124 CCC,Carrot,125 bash-3.00# cat > b2.txt Store1|AAA|123|11 Store2|BBB|124|23 Store3|CCC|125|57 Store4|DDD|126|38 bash-3.00# awk -F"[,|]" ...
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2answers
4k views

Merging 2 files with based on field match

I want to create a file that contains columns from two input files. File1 is like: aa 32 bb 15 cc 78 File2 is: fa 19 bc 23 cc 50 de 28 aa 45 bb 31 The task is, read through File1, if the 1st field ...
0
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2answers
79 views

Curl and Grep to Parsing Content

I need to parse the output of a curl command: curl --user test:test http://192.168.1.1/security/pkm.html | egrep '@company|config.pkm.password' This returns: <input type="text" ...
0
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1answer
43 views

How to compare the strings using < (Greater than symbol)

Below is my input file: PA43410-2,1,3,/vobs/atlas-idc/src/utils/logger/IDCLogger/IDC.cpp,48,19:16:46.523.177, 2 PS Sensor Value = -5.501000 , Min = -5.583000 , Max = -5.319000 ...
3
votes
1answer
121 views

how to use awk to do subtraction with numbers in a large file

I have a large file like this AT5G44030,TAACARA,1000,+,200,206 AT5G44030,TAACARA,1000,+,418,424 AT5G44030,TAACARA,1000,+,773,779 AT5G44030,NGATT,1000,+,114,118 AT5G44030,NGATT,1000,+,267,271 ...
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2answers
283 views

awk - combine two filters into one

I have this variable in a bash script on ubuntu 12.04 which is set to show the available MB on the root partition: AV_MB=$(df -m |awk NR==2 |awk '{print $4}') Is there an elegant way to combine ...
0
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1answer
28 views

AWK weird output behavior when adding extra column

I have a file.csv that contains: ID,FN,LN,NUM 576,Pra,Mar,3 688,India,Desa,3 645,Ami,Path,5 245,Me,Yo,4 I want the output to be ID,FN,LN,NUM,R 576,Pra,Mar,3,R 688,India,Desa,3,R 645,Ami,Path,5,R ...
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4answers
89 views

How to break a string into smaller substrings with a condition on their lengths?

I have a file that contains some genetic sequences like this one: ...
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2answers
37 views

awk if loop not able to print

I have a variable Test as below Test="Environment Dev" I want to compare col2 char 1 with others and print the whole name of env this is what i did echo $Test|awk '{ if ($2 == "^D*") print "DEV"; ...
0
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1answer
28 views

get unique values from 1 column and sum up 2 next columns [closed]

I have a text file that looks like this: A 500 100 ABC B 200 100 BBB B 200 100 ACC D 150 235 CDD A 500 100 RER C 210 653 DDD C 210 653 DWR D 150 653 DDW D 150 653 DER What I try to accomplish is to ...
1
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1answer
70 views

I need to merge multiple .csv files together side by side with unequal number of rows

I have anywhere from 3-5 .csv files and need to be able to merge them together while keeping everything in its respective columns below is an easy example with files with varying number of rows. file1 ...
0
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3answers
31 views

Perform regex search on a previously regex-matched line (one-liner)

I need to print a string which is in a unique line in a long text file. Example relevant line in file long.txt: Software version 4.0.10, 2002-03-28 The wanted string is exactly 4.0.10. The steps ...
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1answer
47 views

Awk and Grep to get data from CLI

I want to get output as below: Number Name Value ************************************* 889900 Staff 256000 990088 Staff 1048576 And my input would be as below: ...
0
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1answer
55 views

bash script to replace server short names in a file with fqdn

I have a rather large config file that has server short names in it like this: [host 1] host = server1 [host 2] host = server2 [host 3] host = server3 I need to replace all the server short names ...
1
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2answers
51 views

Count times an expression is true in awk.

In unix/awk code Essentially, I need to iterate through the file (data1.txt) and count the number of times the substr($0,29,2) of each line of the file == "04". data1.txt: 6597243042 ...
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1answer
33 views

Curly bracket confusion! [closed]

Curly brackets question, with this file content. one one one two two two three 098234 one one one two two two three 098234 one one one two two two three 098234 ... awk '{ a[NR]=$0 } END ...
1
vote
1answer
38 views

Only output value if x > y in awk

INPUT: 0:root@server:/root # vmstat 60 2 System configuration: lcpu=52 mem=131072MB ent=10.00 kthr memory page faults cpu ----- ----------- ...
0
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1answer
35 views

Why does print work with awk but echo doesn't?

To sum it up.... This works: awk 'BEGIN { FS=":"; } { print $1 $3 $5; }' /etc/passwd But this doesn't: awk 'BEGIN { FS=":"; } { echo $1 $3 $5; }' /etc/passwd Being fairly new to learning ...
3
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1answer
41 views

comparing values in separate columns

I've got a csv that looks like this, (there are other columns but these are the pertinent ones) region, city, actual rating, predicted rating NSW, SYD, 0.765, 0.5 Victoria, Melbourne, 4.81225, 5.0 ...
0
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1answer
33 views

extract the data from 2 files

I have two files, the first file contain only 1 field, the second file has more lines than first file and also it has different field in each line. File 1: 5 15 20 File 2: 3 5 O 1.25 2.30 3.75 ...
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4answers
102 views

Bash: How to print additional column matching IP Address to Name

I'm using netstat to collect information about connected IP's. And I have the following format: netstat -tn 2>/dev/null | awk '/:80 / {print $5}' | sed 's/.*::ffff://' | sed 's/:.*//' | sor t | ...
0
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2answers
62 views

How to get only certain fields from a given file?

I have list of employees in following format Name: Phone No: Email: Name: Address: Phone No: Email: Name: Country: Address: Phone No: Email: Name: Address: Name : Email: Address: All I want ...
1
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2answers
32 views

Search for processes which are CPU consumming

I can track the process launched by the user4 with awk: ps aux | awk '$1~/user4/' And also to track what process consume more than 10% CPU: ps aux | awk '$3> 10' Hoe the question is not too ...
1
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2answers
80 views

Find files containing a set of words

I'm using grep to find files within a directory, containing a set of words. But grep search lines containing these words, what I want is grep to show me the files or file containing all those words ...
55
votes
16answers
71k views

Is there a way to get the min, max, median, and average of a list of numbers in a single command?

I have a list of numbers in a file, one per line. How can I get the minimum, maximum, median and average values? I want to use the results in a bash script. Although my immediate situation is for ...
3
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2answers
46 views

Sorting by two columns

I need help with this homework assignment: Write a shell script named sales1 using nawk and sort commands to do the following: 1. print the file in two sections, east and west, with lines alphabetized ...
2
votes
2answers
28 views

average of specific rows in a file and output in tab-delimited file

I have 6 rows in files. I need to find average only of specific rows in a file and the others should be left as they are. The average should be calculated for A1 and A2, B1 and B2, other lines should ...
1
vote
1answer
52 views

Extract random sample of N lines based on pattern

I have a file formatted like this: train/t/temple/east_asia/00000025.jpg 94 train/t/temple/east_asia/00000865.jpg 94 ... train/s/swamp/00000560.jpg 92 train/s/swamp/00000935.jpg 92 .... ...