All Questions
101 questions
1
vote
4
answers
234
views
swap matched columns
I have an awk issue need your help,I just need to grep on the second column and if matched,swap the second column with the first column.
172.21.154.40 172.21.254.25
172.21.250.94 172.21.154.37
172.21....
- 59
1
vote
6
answers
668
views
Bash script that takes multiple path arguments and checks if files can be successfully created there
I would like a bash shell script (for my Debian 12 system) which accepts multiple paths as arguments, and then checks if a file can be successfully created in each one. Then the result should be put ...
- 293
-2
votes
1
answer
67
views
regular single column data to multiple rows
source data
KKK-SNMImsi: 444444
KKK-SNMUserProfileId: KKK-SNMDefaultAutomaticProfile
KKK-SNMMmeAddress: TDSGSN01
KKK-SNMMsisdn: 44235682436
KKK-SNMLocationState: LOCATED
KKK-SNMRoamingAllowed: FALSE
...
- 11
4
votes
3
answers
552
views
Two ssh output as awk input
I have two remote servers that I am trying to ssh and cat some files.. I want to input the output of the ssh to a awk command.
This is what I have got
ssh username@host1 “cat /tmp/test/*” ssh ...
- 73
0
votes
3
answers
375
views
Extract UTC time and find difference
I have a file with the following sample records for buy and sell events
Buy at time=Thu Aug 03 2023 14:13:08 GMT+0200 (Central European Summer Time)
Sell-at time=Thu Aug 03 2023 14:53:02 GMT+0200 (...
- 91
0
votes
1
answer
173
views
How do I append an output to existing rows?
I'm running a command that outputs a list of numbers. I am using a for loop to run the command 5 times. For each output, I want to append those numbers to corresponding rows in an existing text file.
...
- 1
0
votes
1
answer
112
views
How to create a sh script that can give as output the exact string I want using the awk command [duplicate]
I would like to have some help writing a script (which should work on FreeBSD where I have sh as default) that should grab a precise string when I do a ps ax | grep bhyve command from the terminal. ...
- 579
0
votes
0
answers
17
views
How to returns the correct character after manipulating the output of ps ax | grep [duplicate]
I would like to have some help writing a script (which should works on freebsd where I have sh as default) that should grab a precise character when I do a "ps ax | grep" command from the ...
- 579
0
votes
2
answers
2k
views
Merge all csv files in directory column wise
Say the directory contained 3 csv files:
The first csv:
Name, John
Age, 18
The second csv:
Name, Jim
Age, 21
The third csv:
Name, Amy
Age, 22
I would want the result to be:
Name, John, Jim, Amy
Age,...
- 35
4
votes
5
answers
651
views
Manipulating text using shell script: How can I fill in "missing" lines?
I have a list of data, like a CSV but some lines are missing a value. I'd like to generate a value for the missing line based on the lines before and after using linux shell script.
Take this table ...
- 45
0
votes
1
answer
305
views
Concatenate Columns and Create a Composite Key from a Text File in Shell Script
I have been trying to implement a Feature in my Shell Script but somehow stuck in implementation, need help please.
Sample File - f1.txt
col1|col2|col3|rev|spt
A1|54|tyre|56.89|45.23
B1|54|pole|11.89|...
- 33
1
vote
1
answer
208
views
Shell process substring
I know I can replace a substring with sed and integrate command evaluation with $(...).
But what if I want the replacement to be calculated from the string to be replaced?
Example
I have a formatted ...
- 621
2
votes
2
answers
526
views
AWK Command Argument Error
I have a dataset which contains contact information of students, the sample data set is as follows
First Name, Last Name, Address, Phone Number
John, Doe, "House # 11, Street xyz, Road, Area"...
0
votes
1
answer
356
views
awk prints if and else case
I wrote the following command: lsblk -nl /dev/sdd -o MOUNTPOINT | awk '{if (NR!=1 && $1) { print 1; } else { print 0; }}'
It is supposed to check if any of the paritions of the given device, ...
- 183
0
votes
3
answers
9k
views
Shell script to find the list of a keys inside a key in Yaml file
I have a yaml file
info:
description: Api
contact:
name: Api
tags:
- name: ""
description: ""
paths:
/data1/1:
post:
tags:
- "tag1"
/...
- 295