Questions tagged [sh]
sh, aka Bourne Shell, is the Unix Shell, the standard shell since v7 Unix. POSIX has standardized the shell, and portable shell scripts should conform to /bin/sh syntax.
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Lightshot Print Screen key linux handler
I haven't found any Lightshot Print Screen key linux handler publicly available.
So, I decided to write one today. It is a standard POSIX shell script.
I believe there is always space to get better, ...
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Goodgame Empire coin collector with random offsets in (almost-POSIX) Bash
Today, my goal was again to improve my POSIX shell scripting abilities.
In one MMO game called Goodgame Empire, there is possible to code yourself a coin (tax) collector. But that's of less ...
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POSIX shell script for generating pseudo-random numbers
My today's goal was to further practice POSIX shell scripting.
So, I decided to write the following POSIX shell script for generating pseudo-random numbers.
Any and all reviews would be appreciated.
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Shell POSIX OpenSSL file decryption script follow-up #1
This question is the first follow-up of: Shell POSIX OpenSSL file decryption script
Please read it before you continue reading this. Thank you.
I only have one new problem solved and I would like ...
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Shell script to manage passwords
To get my feet wet with shell scripting I wrote this "minimal command line
password manager" (aka pwm) taking inspiration from the well known ...
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Interactive Linux upgrade script
One year ago, I asked for a review of Simple Linux upgrade script in Bash.
Conditions are slightly changed, and/or more accurate:
Code readability for the code user, making it simple to adjust the ...
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How long a PID has been running (taking multiple inputs)
Tonight I tried to write a POSIX shell script which would allow me to check how long a process is running (via it's ID) and be able to handle multiple inputs:
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Shell POSIX OpenSSL file decryption script
Tonight, I tried to write a Bash OpenSSL file decryption script. Encryption script will follow in highly similar manner, so I think it's not necessary now.
Let's suppose we have an encrypted large ...
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Shell script to create a boilerplate proyect
This is actually my first shell script and just by looking at it I know this can look better. I use Elixir and Phoenix for most of my projects and I started using Zurb Foundation 6, changing from ...
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Shell script for reading /etc/passwd into SQLite
I want to read 4 columns, namely UID, GID, username and home directory of specific users from /etc/passwd into an SQLite database. I found this to create many ...
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Alternative to env that accepts arguments
It is commonly known that env does not allow passing of arguments - at least not reliably. There are various workarounds described here, but they felt to hacky and ...
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Query database and check server details
I have written bash script to query database and check server details.
Please let me know if the script is as per best standards:
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A replacement for OSX's path_helper
I was having problems setting my path the way I wanted, I turned to Apple's path_helper but found it appends system dirs to the beginning of the path. I found someone had made a start on a replacement ...
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trash script to alias rm
This script implements a command line level trashcan system.
Designed to work around rm doing the bits needed to implement a trashcan system at command line level....
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Bash script to rename subfolder to include name of parent folder
Here's the current structure of my directory.
.
├── Show 1
│ ├── Season 1
│ └── Season 2
├── Show 2
├── Season 1
└── Season 2
I want to rename the ...
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Random password generator sh script
Yesterday, I was bored and decided to write a random password generator. At first it used numerous temporary files, changed that by using arrays.
This was written on OS X and should work on Linux ...
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Process monitoring script
I wrote a script which logs memory usage of a process (pid in file), and reacts in case a limit is reached. I run the script nightly. In my case, the process concerned propably has a memory leak and ...
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High CPU utilisation for Logs Manager shell script
I have written a shell script to manage the tcpdump pcap logs and syslog files in my Linux board, so as to maintain the disk usage to maximum of 70%.
The script checks for the disk usage every ...
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Script to record an inventory of a backup
This is a script designed to make an inventory file which records the
contents of a directory allowing verification that a backup has the
same data. The same script can also
A full github repo is ...
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Simple import system for a large shell program
I am writing a large shell program comprised of several source files. I was looking for a basic import system that accomplishes three goals.
Avoid sourcing entire files for access to just a few ...
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Displaying a table of shell aliases
I'm just getting into bash and sh scripting. I mostly just stub out little convenience or exercise scripts for myself, but I recognize I may be flaunting best practices at times.
My question is ...
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POSIX shell script using a string to store command arguments
Background
I’ve started putting all my configuration files (which include many shell files) under version control. In the Git repository, I’ve configured a pre-commit hook that runs the ...
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Sh script to reduce version number in opkg status file
I have written a script to reduce/lower the version number stored in opkg status file using small shell script, This will enable us to force the opkg to install same version of a Debian package again.
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An installer for shell scripts, written in pure sh
I wrote a tiny shell script that basically installs a script into your system by copying it to someplace like /usr/local/bin, chmodding it, and adding it to your ...
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Split redirecting to multiple files in bash
A function mycommand which runs command and:
Gives me three log-files which are:
*.stdout.log: everything from ...
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POSIX shell compatible and POSIX conforming dirname implementation
The discussion in the comments of this answer made me wonder how hard it would be to write a built-in only version of dirname.
This is what I ended up with but I'm ...
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Shell script to detect router slider status
I have an openwrt router (TP-Link MR3040) and on boot I have it check the slider (AP, WISP, 3G/4G mode). The goal was to have it execute the current "slider status" vs the old one, or do nothing if it'...
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Fizz having an argument with Buzz
For my current project I need to validate responses. The requests will be send from multiple different shell scripts and should be controlled from another script. I'd never targeted a ...
Mast♦
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Bash script that checks if font is installed and installs it if necessary
This checks if a font is installed by using fc-list and grep. If the particular font is not installed, it offers to install it ...
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Bash script that checks for package dependencies and installs them if necessary
I'm new to writing bash scripts and was wondering if I could get someone's advice on a part of the script I'm working on.
Intended purpose of code
Check if a package exists using ...
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A minimal init script
I tried looking up some good example init scripts, but all that I found were excessively complicated. So I wrote my own simple init script targeting CentOS 6. I tried to follow LSB where I understood ...
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Check disk space against a threshold
The below script is one I made to check the disk space on mounted partitions under Debian Wheezy. I tried adding a -d switch to force printing out the used data, ...
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Optimize bash script that concatenates output
I am trying to optimize my script that loops through a folder and extracts only the part of a file name before a date and the header of the file and outputs it into a different file using a delimiter. ...
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Script to configure Synaptics touchpad
I have a shell script to configure Synaptics touchpad settings at login.
Background
You configure the touchpad with the synclient command. Its usage is
...
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Shell script for creating CR questions
Inspired by Tool for creating CodeReview questions.
This script generates a markdown document suitable for a CR question from a list of files. For each file it finds, it sends the following to stdout:...
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Shell Script Image Replication
I have a shell script which is being used on an embedded human machine interface (HMI). This script is used to copy a few files from a USB stick to a different place on the device, but with multiple ...
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Shell script to assist with branch management for tasks in git
I found nvie's git branching model simple enough to grasp and suitable for my projects - but the frontend supplied at GitHub was far too complex for me to understand. Hence, I wrote this script to ...
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Mount different remote systems
I have a shell script to mount different remote systems. While it does work, the area I struggle with (not being a programmer) is the logic of the script: it feels quite stilted and there seems to be ...
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Shell script to sync dotfiles repository
I'm doing the git dot files thing and created a script -- my first Unix shell script -- to synchronise the repo dot files with those in the user's home. It checks which dot files exist in the repo ...
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Shell script to download and extract a tarball from GitHub
I don't want anything to execute if any preceding step fails:
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