All Questions
Tagged with shell-script linux
1,939 questions
-1
votes
1
answer
75
views
Creating in Linux files in GB or MB range by various size by read a file [closed]
In Linux with Bash, there is the File numbers_in_one_line.
In this file there is only one line with several numbers, all separated by spaces.
These numbers are the value in bytes for creating files ...
- 541
0
votes
1
answer
86
views
How to create splittet random files and join them with dmsetup
In Linux in Bash, there is a script, a part of the script is this
while true ; do
echo
awk -v x=$(<"$TEMPDIR"size_container_in_byte) -v n=$(<"$TEMPDIR"parts) 'BEGIN{...
- 541
-7
votes
2
answers
93
views
How can I pick random items from a list, but some more often than others, in a Bash config file? [closed]
In Linux, using Bash, I have two scripts:
script.sh is the main script, and
script_config.sh is the configuration for script.sh.
In script.sh, I do source script_config.sh to load all the config ...
- 541
-3
votes
1
answer
50
views
Rename files, remove the first four signs [duplicate]
There are many files in this format:
IMG_20240717_191421.jpg
IMG_20240620_165358_BURST001_COVER.jpg
IMG_20240624_173513_2.jpg
how can they renamed in Linux in Bash to:
20240717_191421.jpg
...
- 541
0
votes
1
answer
48
views
Accessing a variable defined inside a sudo shell from outside
I'm trying to create a shell script with below requirement:
ssh to a RHEL server
sudo to an app user
delete the contents of a directory (/tmp/logs)
Copy the application logs from one directory (/app/...
- 11
-1
votes
1
answer
72
views
Best tool to convert xlsx to csv
I need to install something that allow me through a script bash or if I can do it without install any external tool it would be great.
The thing is I read about csvkit but is a tool of python and i ...
4
votes
2
answers
599
views
Are Shell Script --long-options POSIX compatible?
In almost all POSIX specifications (e.g. ls), there are only short options (e.g. -A , -a , etc). In common shells like Bash, long options (e.g. --all , --almost-all , etc) are very common. And it is ...
- 593
-1
votes
1
answer
118
views
zip every month files and delete them [closed]
I have log patterns every day for artemis
I want to zip them and delete the files and save one month files in one zip
the files like this
artemis.log.2024-11-22
artemis.log.2024-11-23
artemis.log.2024-...
0
votes
4
answers
120
views
Clean up bash script
Can someone clean up this part of bin bash script for me? I feel like i can write this so much cleaner.
Basically, what i want to do is:
If $pluginexcl2 is defined that 2 different grep -v will be ...
2
votes
7
answers
730
views
Shell Script to Normalize the data
We have requirement to normalize the data ... Item field is comma delimited and irregular and it may have any items from 0 to max (lets say 100)
Input:
key1|desc field|item1,item2,item3,item4|extra ...
- 75
2
votes
1
answer
167
views
select in a script
In Linux in Bash in a Script i use this:
#!/bin/bash
while true; do
while true; do
read -r -p 'enter number [4-999]: ' num
if [[ $num =~ ^([4-9]|[1-9][0-9]{1,2})$ ]]; then
...
- 541
-4
votes
2
answers
110
views
How to write in Linux in Bash in shellscript a part that can do something like this
How to write in Linux in Bash in shellscript a part that can do something like this
enter a number
must be in a range from 4-999
if not, ask again to enter
enterednumber * 5 * randomnumber [1-9] (...
- 541
0
votes
0
answers
46
views
How to only suppress warning outputs from cryptsetup?
In Linux in Bash i run a script with some cryptsetup calls like
--luks2-metadata-size=16k --luks2-keyslots-size=256k .... luksFormat ....
that brings Warning outputs.
I know and understand, but i ...
- 541
4
votes
1
answer
266
views
How to detect if headphones are plugged in for a shell script?
I'm writing my own custom status for i3/Sway that shows a volume indicator, and I've run into a snag.
I'd like to know if there is a standard way, using standard Linux tools--maybe ALSA or sysfs--to ...
- 109
0
votes
1
answer
72
views
removing first and last character and empty spaces from a json file [closed]
I have given sets of different input files as shown sample below
cat out.txt
[
{
"regional_unit": "node",
"source_name": "1753250187_SPS",
"...
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