All Questions
13 questions
1
vote
3
answers
420
views
Find the maximum value of Column3 and print the values of Column1 and 2 only
In Unix, I am trying to find a command that would find the maximum value in Column3 and print the corresponding values from Column2 and Column1 (but not from Column3) in a new file.
Column1 ...
- 55
1
vote
5
answers
5k
views
Sum of even and odd numbers of odd and even lines
I would like to write a shell script program that gives the sum of even and odd numbers in a given file's odd and even lines.
I would like to use:
sed -n 2~2p
and
sed -n 1~2p
but I am not even sure ...
- 113
-1
votes
1
answer
60
views
find in a file where sign of a column entry changes and print first line where this happens
I have multiply files, each with three columns. I would like to monitor where a given column entries first change sign (i.e negative to positive) so that I save that row where this first happens to ...
9
votes
6
answers
8k
views
How do I add numbers from two txt files with Bash?
I have a txt file that contains some numbers like this:
1
2
3
4
5
And I have another txt file that contains the same number of lines, but with other numbers:
6
7
8
9
10
I want ...
- 217
5
votes
3
answers
2k
views
How to get sum of values in column based on variables in other column separately? [duplicate]
I have a table data like below
abc 1 1 1
bcd 2 2 4
bcd 12 23 3
cde 3 5 5
cde 3 4 5
cde 14 2 25
I want the sum of values in each column based on variables in first column and ...
- 53
3
votes
4
answers
6k
views
Converting awk printf string to decimal
Task:
stdout the load avg from top in a decimal form like (e.g 0.23)
Details:
I need to parse this script to Chef's inspec and check if its result is bigger/smaller than something, for example:
...
- 55
1
vote
1
answer
1k
views
Compare two files for greater than value
I Have a request to alert usage of disk every 30 minutes, The thing is recent output should check old alert to avoid to send same alert again and again.
#!/bin/bash
#export maillist=mailxxx@gmail....
- 11
1
vote
1
answer
462
views
Sumation of Multiple Field Cumulative Sum
I have a | delimited file with multiple fields (Field_1 to Field_10), and some of the fields have dollar amounts.
I would like to get the cumulative sum of say Field_1 ($ amount), Field_5 ($ amount),...
- 11
0
votes
2
answers
545
views
Shell program that outputs the averages
What I need to do is write a shell program called avgs that would read lines from the file with data, where the title line could be at any line within the data.
I must keep a total and count for each ...
- 493
1
vote
1
answer
540
views
validate the sequence number in the trailer of a file
We have a file that arrives daily and has a sequence number in the trailer like
9999 TR SAP _AP Distribution 0000000000000001
where 0000000000000001 is the sequence number and the file that comes ...
- 381
2
votes
2
answers
2k
views
How to extract the positive numbers in the first column from an output as in the question?
I am running Ubuntu 14.04.1 LTS 64-bit with Bash 4.3.11(1)-release I have a program called harminv producing output as follows:
$ h5totxt hsli0.126.h5 | harminv -vt 0.1 -w 2-3 -a 0.9 -f 200
# ...
- 689
3
votes
3
answers
903
views
How to find out the biggest number in many documents that contains different numbers
For example, there are some temperature data at those folders in different time.
temps.txt contains the temperature number. So how can I use bash script to find out the maximum temperature? (the ...
- 119
1
vote
1
answer
340
views
Summing by common strings in different files
I have a file file1 with the amount of times a user shows up in the files, something like this:
4 userC
2 userA
1 userB
and I have another file file2 with users and other info like:
userC, degree2
...
