All Questions
226 questions
2
votes
3
answers
434
views
Replace prefix string from lines in a file, and put into a bash array
In the file groupAfiles.txt are the lines:
file14
file2
file4
file9
I need a way to convert them to remove file and add /dev/loop and put them all in one line with a space between them.
/dev/loop14 /...
- 541
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
0
votes
2
answers
81
views
extract a column from the command output even if it blank bash
I am trying to extract 2nd column from a command output
For example:
$ sudo /usr/sbin/pvs
PV VG Fmt Attr PSize PFree
/dev/sdc1 vgswap lvm2 a-- 16.00g 0
/dev/sdc2 ...
- 1
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
1
vote
2
answers
221
views
identify content inside base64 encoded content and replace the whole line
I have a script that outputs some information on my shell, like this:
field1: value1
field2: value2
...
fieldn: valuen
one such field/value can be:
CmdLine: C:\Windows\System32\WindowsPowershell\...
- 111
-1
votes
3
answers
168
views
Replace new lines at end for those lines whose 2nd field in colon separated file span over to multiple line
I have got multiple files with different set of contents but the pattern is same across mulitple lines in different files.
sample input file : cat -n test.txt
1 adjfkhjdhfkjd: ...
0
votes
1
answer
310
views
compare 2 csv files using specific column and ignore specific string
My OS: RHEL7.X
I've a csv file with 3 columns, like so -
#######Category: Fruit
Berries are fruit,04415bef-8c82-4672-848a-9ac80035040a,"Blah/Blah And/More/Blah"
Apple is a fruit,073c6bf3-...
- 553
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
147
views
Permutation with bash - Spread Five over Eight
Assuming I have the values A B C D E and eight places 1 2 3 4 5 6 7 8. How can I get all possible combinations printed with two- and three-time repetitions?
Example:
1 2 3 4 5 6 7 8
_______________
A ...
- 6,074
1
vote
3
answers
1k
views
Cumulative sum of a column of a multicolumn file and save the entire file
How to compute cumulative sum of a column in a multicolumn file and save the entire file using bash command?
An example of input file is below:
0 1869.75 31
1.342 1869.75 31
9.8 2479.45 ...
0
votes
0
answers
28
views
AWK: field separator as '\x01' [duplicate]
I have a File with below content like below
123\x01abc\x01bcd\x01\123
I tried using below two commands in bash:
echo "123\x01abc\x01bcd\x01\123" | awk -F'\\x01' '{print $1}'
echo &...
0
votes
1
answer
79
views
Convert multiple rows into one rows in a delimiter txt file [duplicate]
I have input file like below
ID~NAME~CREATED_DATE~NOTES~LAST_MODIFIED_DATE
"12345"~"abc"~"9/7/2022 10:05:18 AM"~"new patiant"~"9/7/2022 11:52:18 AM"
&...
- 27
0
votes
1
answer
59
views
I want remove repeated records and remove those lines in awk
I want check repeated records in column 2 and remove those lines in awk
create a
delete a
create b
create c
delete c
create d
delete f
create f
create g
create h
Expected Output
create b
create d
...
- 15
3
votes
2
answers
194
views
Using awk to align values in correct rows in csv files
This was a question coming from here Aligning values in csv file
The problem is that I would like to align the values on the 5th column based on how they match with the first column.
Input:
"DB ...
2
votes
2
answers
892
views
Applying function to first column and inserting it as second
So I have been searching like crazy, but I still have not found a satisfactory solution. I have some output which looks like the following
kdeconnec 1625 1000 11u IPv6 414426 0t0 UDP *:...
- 165