Questions tagged [scripting]
A script is a sequence of commands or instructions that are executed by an interpreter program rather than compiled into a standalone executable program.
4,566 questions
0 votes
4 answers
64 views
Mount a partition from a script unless it is already mounted
I would like to mount a partition of an external hard drive from a script using udisksctl mount --block-device /dev/sda1 and in the end of the script I would like to unmount it. However, it may ...
- 2,380
5 votes
1 answer
329 views
Making `apt-get` read answers from stdin on graphical Ubuntu
This may seem like a question asked, but I have yet to find anything that works and I start suspecting it may be a bug in apt-get… So, I have a python installer wrapping around apt-get, whose relevant ...
- 5,610
1 vote
1 answer
39 views
Do I need to define an absolute path to be able to compile the DRM / Panfrost subtree code of JSM on the RockPro64 / Khadas Edge-V / RK3399?
I'm trying to compile the drm-subtree of JSM because I want to enable the panfrost driver on the RockPro64 / KHADAS EDGE-V / RK3399. The code is here: https://github.com/jsm222/drm-subtree He improved ...
- 21
2 votes
4 answers
147 views
Is it possible to silence the initial call in xtrace, when BASH_XTRACEFD is set?
#!/usr/bin/env bash exec {BASH_XTRACEFD}>./xtrace.log declare -p BASH_XTRACEFD set -x { : "how do you hide this in ./xtrace.log?"; } 2>/dev/null # fail # { :; } "${BASH_XTRACEFD:-...
- 601
1 vote
1 answer
39 views
command not running from kde powerdevil
made a simple command to change my power mode to "balanced-performance" (lenovolegion power mode for custom mode), works fine in terminal and running the file, but when listing it as a ...
- 11
3 votes
7 answers
997 views
How to list only the last name.partXXX.rar file?
In Linux in a folder, without subfolders, there are many files like this scheme. I list them with ls -1. 1yBWVnZCx8CoPrGIG.part01.rar 1yBWVnZCx8CoPrGIG.part02.rar 1yBWVnZCx8CoPrGIG.part03.rar ...
- 241
0 votes
7 answers
2k views
Is it possible to protect a bash script against a hostile environment?
Bash allows to export read-only variables and functions to the environment. Also, when a bash script is run, Bash sources the file BASH_ENV was set to, unless invoked with -p. How do you protect ...
- 601
10 votes
7 answers
1k views
Check if multiple files exist on a remote server
I am writing a script that locates a special type of file on my system and I want to check if those files are also present on a remote machine. So to test a single file I use: ssh -T user@host [[ -f /...
- 203
2 votes
1 answer
77 views
socat filter and replace character for modbus ascii
The goal is to get modbus ascii working with a Wallbox from ABL. So I placed a RS485 to TCP converter in the box, created a pseudo tty for my application and got the wrong frame. The answer starts ...
- 21
1 vote
1 answer
100 views
Process some Folders and format the output
In Linux there are some Folders. I want to process each of this Folders with the program myprogramm. I get a list with ls -1 or much better, sure only Folders with: find . -maxdepth 1 -type d -printf '...
- 241
0 votes
3 answers
566 views
What are the secure ways to use credentials in bash scripts?
I have a third-party service. Its API and credentials let me scrape service data on my local Linux machine. I want to use this API inside a bash script and launch it via cron, but I don't want to ...
- 75
0 votes
1 answer
128 views
How to match exact string? [duplicate]
I tried this grep -rn "application_config_project" . I got many application_config_project_name = f"{app_acronym}-application-config" github_application_config_repo = ...
- 47
0 votes
0 answers
52 views
Finding and removing duplicate files: Integrating a unix script with an application that opens a file for viewing?
Does anyone know of an open source application or perhaps how to integrate an existing find dupes script with some OS tool (emacs, vim, Finder.app, mc, etc...) to open a file before marking that file ...
- 155
0 votes
5 answers
213 views
Rename a set of files according to a specific scheme, with rename back option
In Linux in a directory there are files, ls -1 shows me this output : file1.1-rvr file1.2-rvr file1.3 file1.4-rvr file1.5 file1.6-rvr file2.1 file2.2 file3.1 file3.10 file3.2-rvr file3.3-rvr file3.4 ...
- 241
0 votes
2 answers
97 views
In a text file, finding and deleting lines including (e.g.) "#', or a word? [duplicate]
I am using Ubuntu Linux and Mageia Linux... I wish to do the following: in a text file (sample.txt), find and delete every line comprising the symbol '#' (or '?') or a specific word (e.g. 'mobile') ...
- 11