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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Unlocking spreadsheet files quickly
I've created a program for my job that unlocks spreadsheet files quickly and efficiently. What we use to have to do before this program is we'd have to go into the system, search for the file, kill ...
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1answer
78 views
Encrypt message for sending over non secure network
wRecently needed to swap keys with a colleague on the other side of the country.
This script encrypts a file using the other persons public key that is stored on github. It outputs a script that will ...
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1answer
65 views
Bash command helper
I'm writing a program to help with remembering complex bash commands. On invoking the program, it asks for a description of the desired operation, e.g., "increase volume" or "find orphaned packages", ...
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Expanding tilde inside assignments and strings in bash
Inspired by the work Charles Duffy did in this answer and the work of Jonathan Leffler in this one and because I couldn't leave well-enough alone.
I went and wrote expandTilde.sh:
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SLOC Counter Script Optimization
I'm a HPC guy so I'm all about "make it work, then make it fast." I have a little bash script which gets a Physical Source Lines Of Code (PSLOC) and Logical SLOC (currently just of Java code, but it ...
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“Up” script for moving up directories quickly
A long time ago I created a script for moving up directories very quickly in the command line using the command up. You can find usage notes here.
It's a very ...
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1answer
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Listing Docker Images without registry URI
I have a private container registry behind a firewall that will need some Google registry images. To make sure things are updated sanely, I'm writing a mirror script in Bash. I have one line that ...
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1answer
65 views
Tagging the directories and switching between them by tags
MOTIVATION
I have this small software package that allow users to maintain a simple text file that looks like
tag1 path1
tag2 path2
.
.
.
For example, it may ...
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1answer
52 views
Merging files in Bash
I had this homework assignment:
Create on the desktop a folder with your name.
Copy from your account [email protected] two files, ...
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2answers
91 views
Bash script to capture error message and change exit status
I'm working with the Perforce command line client. I ...
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1answer
40 views
Installation script for Mac OS tool
I have a bash script I'm trying to distribute to people in my class. The script requires some dependencies to operate, namely wkhtmltopdf and ...
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1answer
40 views
Print a “shebang” line, or prepend it to a file
This is a sort-of-useless "utility" I wrote to learn my way around shell programming better.
My concerns are:
Is the code readable? Could it be more efficient, or just simpler? The logic ends up ...
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2answers
73 views
Calculate the Fibonacci sequence using bash
I would like your opinion on my shell script that prints the Fibonacci sequence.
...
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1answer
109 views
Chrome extension to get youtube video's URL
I needed something that would get the URL of a chosen video from YouTube and store it in a file.
Since I didn't find a way to write/edit an existing file with the URL alone, I had to use a patchwork ...
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2answers
31 views
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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2answers
67 views
CGI script for managing Unix passwords
All the services I run on my server are based on Unix accounts. Since most web services have their own users and perform all the account management separate from the actual system accounts, I created ...
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1answer
66 views
Bash plugin to setup project for books
I'm writing a bash plugin to help people create books in a specific way. It's an ordinary shell script to setup the project and create its subresources. I'm using a loop to create barebones assets and ...
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42 views
Pulling Docker Machine IP
I am working with MongoDB through Docker, and I have a terrible bash command to pull the Docker Machine IP so I can sanely connect locally.
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2answers
274 views
forever.sh - should keep a process alive forever
This script's only responsibility is to keep a process alive. Forever.
It's sole dependencies shall be bash and coreutils. I'm ...
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1answer
60 views
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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1answer
41 views
Hide/un-hide directory and open directory based on argument
This code checks to make sure a directory is hidden and if not hides it. Then if hidden it will prompt for password and if password matches it will un-hide it. There is also an argument to open ...
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42 views
Advanced CSV-to-SQLite converter
I just wrote an advanced CSV parser that translates CSV to SQL(SQLite Compatible) statements, which are then inserted into the database. It translates variable names in the CSV to values defined in ...
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1answer
45 views
Optimising script that does simple renaming of files
I have recently written some code in Bash where I'm starting to program some things and I think I'm overcomplicating the script I wrote.
I'd like to make it simpler so that in future I would avoid ...
3
votes
1answer
41 views
GRE Tunnel Script
I've made this script above for GRE Tunnels and I'd like to know how I can improve it.
Also, at the bottom, you'll see "Do you want to forward more ports." I want an easier method of asking this and ...
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1answer
22 views
Print first element of the last line of files when the second element does not match a pattern
I am relatively new to Bash, regular expression and stuff.
In a directory, I need to read the last line of all the files that contain the word "fitness", and list (on one line and separated with ...
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2answers
64 views
Add license to beginning of files
I'm trying to come up with a script that will add license headers to certain files (depending on extension). My Bash is very average, so any guidance would be much appreciated.
I'm not quite sure ...
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2answers
74 views
Who needs clean configuration? Swapping server.xml
So I'm working on a project that sometimes requires me to switch my server configuration. This is due to some circumstances with database drivers and names that are "too expensive to fix" ...
That ...
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2answers
256 views
HTML Book Compiler
I have written a BASH script to parse and compile HTML code into a single page. The script works as expected, although my code is not completely re-usable and the standard output messages could be ...
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2answers
40 views
Simple Bash Music Player - follow-up
This question is a follow-up to this question.
This is a year later, but it has the same context: I wanted new reviews for the updated code from the original question, but this time I wrote the code ...
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2answers
615 views
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 ...
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2answers
96 views
Fine tuning of an informative replacement for rm
I want to replace rm by a more informative variant: I would like to see which files will be deleted, along with their size, and I would like this information to use ...
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2answers
195 views
Address book app to learn bash
I'm fairly proficient in C and Python, but want to learn some skills for administrating my new Linux machine. I wrote this simple address book app to teach myself shell scripting. This is the first ...
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2answers
55 views
Bash script to replace substrings in a file with strings
I am an editor of the Funtoo Linux wiki and was looking to create a shell script that would help to ease the updating of pages on the wiki that use old tags by replacing certain deprecated tags with ...
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2answers
79 views
Validating a credit card number using Luhn's algorithm
I implemented Luhn's algorithm explained on Wikipedia to validate a credit card number, in Bash.
Does this code follow good practices?
...
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1answer
60 views
Bash script to backup from S3 to GC
I'm working on a script to backup S3 to GC everyday. I'm not sure if my script has any potential bug or error that might have destroyed anything from both sides? The data is quite sensitive and I ...
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2answers
140 views
Keep track of Terminal access
I am fairly new to bash (I have about 3 months of experience), and now I've written my first real application (sort of).
It's a function inside of ~/.bash_profile, ...
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124 views
Text centering function in bash
I wanted to center some text in my commandline application, so I came up with this function.
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461 views
Calculating pi using bash
I've written a little program to calculate pi using the Nilakantha series:
For this formula, take three and start alternating between adding and subtracting fractions with numerators of 4 and ...
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1answer
90 views
Bash script to remove unwanted git objects
A while ago, someone at our office thought it'd be a great idea to start tracking a number of fairly large binary files in one of our more important repositories. We noticed our builds were slowing ...
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1answer
62 views
Restart Services Automatically
I have been working on a script that automatically checks on the state of 2 services that I require to be running 24/7 on a server that I manage.
The script works as I need, but I would really like ...
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2answers
103 views
Installing and removing kernel module RPMs
First, the script checks to see if it is installing two kernel module packages or removing them by looking at the first parameter. If no parameter is provided it complains and exits.
If installing, ...
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1answer
72 views
Append the first half of the first line of /etc/hosts to a conf file
I have to edit a config automatically before starting a service in a docker container (a storm supervisor), and I want to append something like this in ...
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1answer
64 views
Load SSH key remotely
I often create new accounts or virtual machines, and then have to load my SSH public key/signature in to the authorized keys on that account. That process can be tedious, so I created this script that ...
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1answer
22 views
Bash Compress Managed Directory Ignoring .git, bower_components, node_modules, etc
Fairly easy way to compress a wordpress plugin (or similar) as a zip file without including all the dependencies used to create and manage the development, but which don't belong in the final product.
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31 views
Changing filename and copying in bash
I wrote a script which changes names of last downloaded songs and copy them to music directory. Can it be written better?
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68 views
Checking dates against a .properties file
I am writing a script that will check the set values against a .properties file and I am just wondering if there is any nicer way to write what I have here.
...
4
votes
1answer
199 views
Shell script that copies configuration and dotfiles to repository
A while ago I had the idea to store all the important configuration and dotfiles from my system in a Git repository. That saved me a few months ago: My harddrive died, but I could get back to work ...
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1answer
38 views
Alert on partition growth [closed]
I have a script that alerts me via email when a partition grows past a defined threshold in one hour. My script is run from cron hourly. Everything seems fine for 99% of the time, but occasionally I ...
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votes
1answer
53 views
Bash menu for accessing network equipment
I wrote a menu in bash to access network equipment, but now there are too many of them to show in one screen to permit selecting one without scrolling up or down. I need it to be improved.
I've ...
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3answers
99 views
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 ...
