All Questions
Tagged with shellshell-script
2,433 questions
-4votes
0answers
52views
Creating in Linux files in GB or MB range by various random size by read a file [closed]
In Linux in Bash i have this script (thanks to Ed Morton) . $ cat ./tst.sh #!/usr/bin/env bash while read -r idx sfx size; do echo fallocate "file${idx}.${sfx}" "$size" done &...
- 533
-2votes
1answer
111views
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 ...
- 533
0votes
1answer
104views
How to compare output of a program with a reference value in a shell script?
I have my own implementation of a Redis server which I'd like to test through a shell script. The general idea is to feed it with some commands through nc, and since nc prints the output of my program ...
- 111
0votes
2answers
97views
How to redirect output from a program that waits for input
Following this post I created my own version of the script, with the difference that user and password are forwarded from the environment variables: #!/bin/zsh pamtester login $user authenticate <&...
- 101
0votes
2answers
87views
how do i use pv in a script that has a seq for loop
I have a script that has a for loop in it that runs a specific amount of times, and I was wondering if it is possible to implement the pv command in my script to add a progress bar. Here is my code: ...
1vote
1answer
66views
How can a bash script determine how it was started? [duplicate]
I am running various scripts on Debian 12.X currently with the following bash: GNU bash, version 5.2.15(1)-release (x86_64-pc-linux-gnu) I have the following methods/options to execute the script. ...
- 6,362
0votes
5answers
128views
Move/mark files and the associated-part too
There is a folder with many files in it: 112.mkv 123.md5 123.mkv 221.mkv 467.mkv aa1.mkv abc.md5 abc.mkv bbc.mkv dde.md5 dde.mkv ggh.mkv .... xxy.md5 xxy.mkv xxz.mkv How can I move .md5 files and the ...
- 533
2votes
1answer
895views
What do programs use to read their environment?
I'm on Fedora, where all preinstalled shells apparently support bashisms: bash --posix does, and even sh. Still, when I used this function, pathprepend () { if [[ ":$PATH:" != *":$1:...
- 355
0votes
0answers
33views
Can't use combination of parentheses and variables in scripts [duplicate]
I have problems with replacing parentheses in combination with variables, in ssh. For instance, replacing (hello123blablabla) with (hello). So, it replaces all together, and parentheses as well, at ...
- 101
0votes
1answer
311views
How to use docker exec to execute a shell script with an argument in a container?
I have a shell script on my host, which is calling another script to run inside the container. Here is a simple case that works fine: host_script.sh #!/bin/sh results=$(docker exec mycontainer "....
- 293
1vote
1answer
100views
Open pdf files by terminal with fzf and fd
with the following command line, which I turned into an alias, I would like to open the pdf files from my terminal. alias pdfLoad="fd . '$HOME/OneDrive/DBCalibre' -t f -e pdf | fzf | xargs -0 -...
4votes
1answer
268views
How to detect if headphones are plugged in for a shell script?
I'm writing my own custom status for i3/Sway that shows a volume indicator, and I've run into a snag. I'd like to know if there is a standard way, using standard Linux tools--maybe ALSA or sysfs--to ...
- 109
0votes
1answer
27views
How to start tree of applications with dependencies
I need to be able to automatically start a requested application. Every application can have pre requisite applications that need to be started before it starts, and an application can itself be a pre-...
2votes
1answer
328views
Can one execute a function in background from a function that is already running in background?
Considering the following script: if [[ -z "$DOWNLOAD_ONLY" || "$DOWNLOAD_ONLY" = *conditions* ]]; then function get_condition { curl -s "https://conditions.com" | ...
- 131
0votes
1answer
33views
Symlinks with data inside directory
I'm using this symlinks ln -s "$REPO_DIR/src/packages/my-project/out" "$OUTPUT_PATH" Currently, my OUTPUT_PATH only has only 1 folder out How can I make my OUTPUT_PATH has all the ...
