All Questions
273 questions
1vote
6answers
668views
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
0votes
2answers
116views
How to copy the value from one "column" to another in Bash?
I have a file with lines: username="user1" email="[email protected]" I need to take the username from the email address and replace the username value with it, so the end result ...
-1votes
2answers
141views
how to de-duplicate block (timestamp+command) from bash history?
I'm working with bash_history file containing blocks with the following format: #unixtimestamp\ncommand\n here's sample of the bash_history file: #1713308636 cat > ./initramfs/init << "...
- 33
-3votes
4answers
140views
Print between two patterns on a single line
I have a file with the following contents: <alarm="yes"> <moduleId>aaa</moduleId> <documentation> <description>bbb</description> <Object>ccc</...
0votes
1answer
740views
How to escape characters inside variables in awk?
I'm trying to make a script that uses awk to get the recent file names from .config/okularrc and pipe them into dmenu, and back to awk to get the path for the name selected. However, I'm getting an ...
- 117
1vote
2answers
166views
Combine rows based on shared elements (bash/awk)
I have a following file: a3 v2c v5 a7 a9 v2c v1c a3 a7c Desired output (without duplicates in each row): a3 a7c a9 v1c v2c a7 v5 What I want is to combine the rows sharing at least one element. In ...
0votes
4answers
844views
how to print first word from a string with multiple words without space?
I have a shell script to print appimage filenames inside a folder like this #! /bin/bash Dir="$HOME/Applications/" Dir2="$HOME/Downloads/" cd -P "$Dir" for f in *....
2votes
5answers
434views
AWK reading path from text file
I have a file called path_resume.txt which contains some paths to other files. Inside path_resume.txt: ./a2111oi/sky130_fd_sc_hd__a2111oi_0.txt ./a2111oi/sky130_fd_sc_hd__a2111oi_2.txt ./a2111oi/...
- 37
0votes
2answers
115views
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
0votes
3answers
262views
How to print different fields from different lines with AWK
Here is my sample : PING my.host.local (10.10.10.10): 56 data bytes 64 bytes from 10.10.10.10: icmp_seq=0 ttl=63 time=2.034 ms --- my.host.local ping statistics --- 1 packets transmitted, 1 packets ...
- 103
0votes
1answer
112views
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
0votes
0answers
17views
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
0votes
1answer
2kviews
Awk replace string where specific condition is true using variables
I am trying to replace a string where a specific condition is true in the same line using awk variables. I found something that could help me a lot but I'm facing a new challenge cause a I need to do ...
0votes
3answers
3kviews
Understanding awk ' NR%2 ... `
Hi I am using 'Bash command line and shell scripts pocket primer' to study bash and I don't understand one chapter of awk, in which they illustrate printing even lines. command: awk ' NR%2 { printf &...
3votes
3answers
6kviews
Output in CSV format using AWK command
I have a input.txt file with following format: Name age number address mark 23 89756342192 chennai david 40 70214789023 delhi How do I create a CSV file from a TXT file as per the ...
- 31
