All Questions
52 questions
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
115
views
Processing a specific part of a text according to pattern from AWK script
Im developing a script in awk to convert a tex document into html, according to my preferences.
#!/bin/awk -f
BEGIN {
FS="\n";
print "<html><body>"
}
# ...
- 1,303
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
Parsing CSV with AWK, returning fields to bash var with line breaks
I have to migrate a password database (Keepass) by using a csv file of it, to a new application by using its API. The API is updated with post requests, those needs JSON data format.
What I need to do ...
- 3
0
votes
1
answer
282
views
Can't make awk loop over file values
Hi guys
I'm trying to loop over the values of a file (or multiple files) passed as a parameter to the script as in, ./myscript file1 file2 ... but awk only recognizes the first line of each file.
#!/...
1
vote
1
answer
761
views
How to find the standard deviation of values in a file using awk to parse 500 files at once?
I have 500 files each with a column of values I need to find the standard deviations for. I've figured out this much:
awk '{sum+=$5; array[NR]=$5} END {for(x=1;x<=NR;x++){sumsq+=((array[x]-(sum/NR))...
- 11
-3
votes
1
answer
95
views
Calculating the average area of the states listed in states.txt [closed]
Need someone to calculate the average area, in square miles, of the states listed in states.txt.
States.txt (file):
State Population SqMi Region
--------------------------------------...
0
votes
6
answers
2k
views
Remove spaces till the end of each line for each line in a file
I am trying to remove the spaces from each line till the last word for each line in a file.
Example input file:
808 0 C01124 Amazon 45/234Birch 00 YYY
808 0 ...
- 13
0
votes
1
answer
2k
views
finding the highest character length in each column using a loop and awk
I am trying to create a script that goes through a document and finds the highest character length in a column and return it. This script returns 78,78,78,78 when, what im aiming for is 10,11,14,51
...
1
vote
3
answers
2k
views
Extracting numbers between two string patterns
I have a file with following type of expression in every line "Age=22 years and Height=6 feet", I want to extract Age and height numbers only.
I have tried
grep -oP '(?<=Age=)[^years]+' $...
- 91
0
votes
2
answers
134
views
how to put all directory tags into different variables
I have fetched all the directory tags from a file. Now, I am stuck in a situation where I want to store that whole individual directory tags in to different variables as shown below. Thanking in ...
1
vote
4
answers
186
views
Separate multiple sections/lines from a file
I have a file with below sample texts:
THIS(
is first
Line);
THAT(
is second line);
THIS(
is third
line);
THAT(
is
fourth
line);
If you see the file, each sections are either starts with "THIS" or "...
- 11
2
votes
2
answers
5k
views
Display only IP addresses from nslookup without writing output to file
i am a student newly studying cybersecurity. We are using kali linux for the phases of pen-testing.
I'm new to bash script too.
Command:
nslookup -type=mx cathay.com.sg
EXAMPLE OUTPUT
Server: ...
- 21
-1
votes
1
answer
475
views
Check if a two columns are completely numeric in a csv using awk
I have a csv with columns A & B as below which has numeric or alphanumeric data.I need to write column C such that if,
A or B is blank -> write "Error" in C
A or B not numeric -> write "Error" ...
