BASH is the GNU Bourne Again SHell, the successor to the classic Unix Bourne sh (shell). It's the default shell for various GNU systems.
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Bash script to perform LUHN check
The following Bash script takes a single parameter (the PAN) and exits with 1 if the PAN does not satisfy a LUHN check.
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Install ruby using rbenv in bash script
I want to write an automated bash script for installing ruby and rails using rbenv. But I am getting issue of session reload in terminal.
My bash script:-
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Crawling SPOJ through cURL and C++
I am trying to write industry standard code.
https://www.quora.com/How-do-I-follow-a-user-on-Spoj-for-solving-problems-Refer-Details
Someone gave me this A2A.
And I wrote this code for it
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MacPorts - Quick Install Script
I wrote this script to automatically install the relevant version of MacPorts.
It's supposed to be used in a fashion similar to the official installer for HomeBrew.
FYI: The real reason that I ...
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Write the running time to file without capturing the program's output
I want to run an application and write (append) its processing time into a file. Also, I want to see the stdout and stderr output on the shell, but don't want to write it in a file. After running the ...
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Sorting a file with three-line blocks by the second word of the first line in each block
I have a text file with the following three line pattern with blank lines in between. My script sorts alphabetically by each person's last name and preserves formatting. I would love to see other ...
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Testing a shell command interpretor
I've written tests that use Bash for testing a custom shell. I think the tests work but I'm sure you know better because this is my first test I write this way.
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Bash script that displays and kills selected processes
This is my first Bash script and I decided to use what I've learned so far to help manage stray processes while I develop in my *nix environs.
I've tested the script extensively and it seems to work ...
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Yet another bash backup script, using rsync --link-dest
I’ve written this bash backup script. It uses the --link-dest option of rsync; that way, the user have access to the backed data ...
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Bash script for xrandr modification
Simply, I call the script (brightness.sh) and pass a three character value as an argument. I've got commands to strip individual numbers for math processes, and then the final commands to apply the ...
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Open github via commandline
I'm learning bash and my goal here is from any repository on my computer to be able to type github and it will open the remote ...
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Read group of keywords from file, modify value, store new group to variable
I would like to use the following routine in my submission script for GAMESS calculations. I am not entirely sure if this is the optimum way to go.
This function would need one of the messaging ...
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Checking if input file exists, assign output file destination, prevent overwriting any files
I would like to use the following routines in my submission script for GAMESS calculations. Before I do, I would like to get some input if I can improve it somehow.
The three messaging routines ...
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460 views
SSH passing your Public key to all the users on remote host
I've grown tired of typing my password back and forth to all the hosts you connect to, i want to be able to jump to every single user on all the hosts with ease.
So i've made this script with a ...
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1answer
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Bash script to determine a distro, update, upgrade and install the apps I use
This is my first bash script. I am trying to learn scripting and needed an idea. This is the first idea I came up with. When I used to distro hop I had to reinstall everything. This helped me out once ...
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Bashscript - Find and run main.py file (part of vim-Python IDE)
I try to get into Python and thought I build together my own IDE. Most of it consists of different addons for vim and changes in the vimrc (which of course I simply copied of google), but I also ...
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Setting up a development environment - 2
This is the new code after following the advice from here:
Setting up a development environment
General feedback is requested. Also, should I be using $() or ...
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331 views
Setting up a development environment
I'm looking for feedback on improving the structure of this code. Also, I could not find the command line executable for Chrome.
General feedback is also requested.
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Using arrays to read in file, append it with parsed program output and overwrite original
Yesterday a friend of mine asked on U&L: How to optimize 'grep'-and-save?
I will summarise shortly. The output of the torque pbs queueing system tool qstat ...
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Wordpress downloader and unpacker
Wrote a small bash-script today that downloads the latest swedish wordpress archive , extracts it and writes wp-config.php
Would appreciate any feedback that could improve it / prettify it.
The ...
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1answer
52 views
Watch log dir for new file, automatically tail to slack
We have a process that outputs to log files in the format /var/log/xxx/YYYY_MM_DD.log - the file name is chosen programmatically and is not rotated using logrotate ...
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Bash script menu
Any comments on this?
Like there is a way to get rid of all the if-statements or a better way to # check model and build (which ...
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1answer
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Making time lapse screenshots using Bash
My experience in bash is... well, around the Bourne shell on AIX. I wrote a semi-complex script in Bash, and I feel that it could be improved in 100 different ways.
The Github project is here: ...
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Resolving the path to a Bash script
I wrote a function to resolve the full path to the current Bash script, and I'm wondering if it's SOLID:
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Search and merge split-archive backup parts
I wrote some code which searches parts of a split-archive backup (it's an Android backup, I used flashfire to backup) and rejoins them. As you can easily see, I've achieved this by ...
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Locating the Bash history file for a user
This looks quite verbose to me, using the command substitution and echo:
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Start the Python interpreter with an import statement
When I'm writing Python, I wanna be able to pull up an interpreter quickly, and import what I need easily. Previously, this involved:
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A Dockerfile for Composer (a dependency manager for PHP)
I recently built a Docker image for Composer. I'd love to get a review of the image, the Bash based wrapper script, its recommended use, and the repository structure.
Here's the Dockerfile for the ...
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Un*x terminal history wiper
Using various answers from Stack Overflow and Ask Ubuntu, I've hacked together this simple C program that wipes terminal history. It works but I'm relatively new to C so I'm not sure if everything is ...
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Generates a randomized locally-administered unicast MAC address
This is the first time I've attempted writing something in bash, and would appreciate any feedback or criticism to make it better.
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Bash script to create directories and files with a numbered prefix
I wrote a pretty simple bash script. It takes a directory with subdirectories with incremental prefixes in their names (01test, 02test, 03test), creates a new ...
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Bash “Rotating” MySQL backup
I'm quite a novice in shell scripting so far, but i'm learning and getting quite comfortable in writing shell scripts, but i have a lot to learn.
The snippet at the bottom of the page creates backups ...
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Shell agnostic startup flow - env, profile, rc, login
The goal of these files is to have some common behavior between Bash and Zsh
when starting them. As is known, when Bash starts as a login shell it will
source the first found of the following in your ...
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1answer
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Bash script to open or close gnome-terminal with a single keybinding
I wanted to bind a single hot key to open and close gnome-terminal in a way similar to terminal emulators such as tilda or guake. I use Ubuntu, and have configured this script to be executed when I ...
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Nagios plugin webdav check 2
Original post: nagios plugin webdav check
According to the good advice I have received I've made some modifications to the code:
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nagios plugin webdav check
I have written a small plugin for nagios to check a WebDAV server. It is supposed to connect using a username and password and upload & delete a test file
This is my code:
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Grep for pattern recursive and disable file
On a shared host, I'd like to setup a cron which scans folders recursively for some base64 malware strings. Therefore, I've written the following script:
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Automated owncloud installation script
Here is a shell script which installs and configure owncloud on a Debian server. It also installs apache2 and MySQL as dependencies and fail2ban with a specific rule for owncloud. Apache2 is also ...
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Bash script to install vim configuration files
For the first time ever I decided to write a bash script. It works fine, but I'm feeling that I didn't write the most efficient code in order for future extension of the script. I also don't really ...
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Bash function to parse git status
I have a function here and wondered how well this can be refactored.
I currently have this:
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Finding hidden field values in a web page before submitting a login form
In order to submit a login form using wget, I need to find the values for the hidden field that were added to the form recently. Grepping for the names gives the ...
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Cleanup and server restart script
I have written a simple script for managing our Tomcat and Apache instances for deployment. What this script basically does is, when called, it copies the ROOT.war ...
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Dockerfile to install Apache
I'm getting started with Docker, and I've set up a very simple image built from a Dockerfile. It's based FROM the ubuntu image, ...
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1answer
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Function to get specified key from /proc/cpuinfo
On Linux, the file /proc/cpuinfo returns a set of key-value pairs, where the key and value are separated by a colon and each pair has its own line. It's a bit more ...
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Print values of an array while stripping out some parts of the string
Is there a more efficient way to run this? I am especially interested in a way which perhaps does not require a for loop...
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Bash command helper in C
Previously, I had written this program in C++ and asked about it here on Code Review. After spending some time with C++, I desired to become more familiar with its namesake. This is my first C ...
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Editing a playlist configuration file
What I'm trying to do here is first set the first eight variables to the proper default values. That's the first area I'm thinking there might be a way to optimize. Is there anyway to set both ...
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Bash script to download sequentially numbered images
This is a pretty basic bash script (3.2 on Mac). I am downloading 584 images from a site in order to create an album.
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