several snippets of useful jq knowledge
Here are some links that helped me to figure out how to take multiple JSON files (that I am going to want to generate from jrnl) and combine them. Because of that, I also needed to make sure that I could remove duplicate (time …
This is something that I toy with at times and then usually drop to the floor, as I really need to get something done, rather than try a bunch of different options.
It is something that I'd like to figure out for me. I have it worked out for Python …
I recently needed to do this, so ...
Change your remote to SSH from HTTPS or reverse
This article has both Changing a remote's URL
Both are pretty much the same …
This was some quick research on something that I found interesting. Was trying to solve a problem, but this might be overkill. It is intersting though!
Duplicate code can be hard to find, especially in a large project. But PMD’s Copy/Paste Detector (CPD) can find it for …
Do a reasonable diff on a TeamSite XML file
I recently needed to find out if there were any differences in a merge TeamSite XML file and what I originally had. We had lots of tickets go into the branch this was in and someone else did the merge, so …
how to use AWK to print/filter data
I needed to just print out some columns in a file to see if I was missing something or not, so ... AWK to the rescue.
Some useful urls:
Python Timer Functions: Three Ways to Monitor Your Code
The article Python Timer Functions: Three Ways to Monitor Your Code looks like it's a pretty good tutorial that leaves you with a usable timer for your code. You can use it as:
All useful …
If there are multiple windows of Sublime Text up and I start a new jrnl entry, it switches it to the last in focus sublime text file.
While this works most of the time, now that I've started to use it more and have multiple windows open, it's not what …
Nice article at Better Dev blog. Has an interesting Minimal safe Bash script template with a nice template to start with.
Much like what I have but with some other features that I didn't think about or didn't need. It could be very useful. I might steal some of the …
It takes git status lines and converts it to a string with no line feeds, and then adds it to the clipboard for easy copying.
This has been a issue with using git when you don't want to have to do a git add . command. Grid …
How to export specific data from jrnl to jq md format
#### this needs to be run in cmd-grid to work as intended
md -v jqmdraw -contains "RWS-5760"
#### the actual jrnl command would need to be something like the following
#### with the assumption that you have the other files as well …Awfice - the world smallest office suite
Several other interesting sites that deal with it as well:
How to use your installed package to test against
This is a description of what I had read somewhere, but was having a hard time finding it. I just found one of the source that I was thinking about, though what I list below seems to follow in the same …
Various ways to create a PDF from Markdown
The following sections assume that you want to use a script (or within a script) to do the conversion. There are probably other tools out there that can be used at the command-line for doing that as well.
So, if you need …
Here are some resources that I used:
I was wondering how to read a YAML file in bash or if it was possible (without super-human effort) and pkuczynski - parse_yaml.sh script does it and seems to be fairly straight-forward.
I haven't tried it yet, but it looks fairly easy.
Here is a little research that I did on finding how others did a plugin system.
This article - Designing a JavaScript Plugin System goes through and explains a simple plugin architecture that could be used in any system -- JavaScript, Python, or whatever.
Plugins are a common feature of libraries and …
This will get the destination of the soft-link (whether it's a file or directory) and return it.
Find only destination of symlink
Good answers in all, but had a problem with the first answer using readlink (by nikitautiu) as the version that macOS is using, doesn't have the same flags …
Here is the json to text conversion, that was part of the view jrnl project, but I couldn't get working for some reason when I tried it.
Anyway, had some time today and decided that I should try it, as it would be very helpful to know how to do …
Work uses Confluence, which has a horrible markup syntax. And, since I try to use Markdown all the time, it would be very convenient if I had some way to convert my document to Confluence.
Markdown to Confluence Converter potential sites/links
Demobox - demo page generator -- Demobox is a quick & stylish way of getting a demo page up and running for your new react component.
GitHub - jaredly/demobox for the github repo.
can be use in three different ways:
The link, How do I find all files containing specific text on Linux? shows how to use grep to accomplish this.
It also shows the typical find command that is recommended, which, like the poster, I didn't get to work for me either, so ...
The answer I used is by …
Even though bash doesn't technically allow you to return a value (even through it has a return statement), there are ways you can accomplish this in the Return a value in a bash script says how, but I like tamasgal's answer best:
function fun1(){
echo 34
}
function fun2(){
local …Some interesting links to look at and when you need them, you need them:
Here is how you assign what comes back from an echo statement to a bash variable.
How to assign the result of echo to a variable in bash script
MY_CHOICE=`echo $1 | tr "[:lower:]" "[:upper:]"`
What I wanted to do was to set a variable in bash from a function. Not as easy as I would have hoped.
Returning values from bash functions
Here is the choice I used from the article:
The other way to return a value is to write your function so …
Found a couple places (took me a minute to figure out what they meant - sort of thick at times).
Here is the code:
#### https://linuxhint.com/bash_lowercase_uppercase_strings/
#### upper-case the passed in choice
#### - have to use for bash …Terminal Markdown Viewer (mdv)
I was having some issue with several of the other markdown terminal viewers that I typically use (mdless, mdp, rich-framework, and the like) as they don't really do tables (like rich) and mdless was ok, but ... I wanted more. I'm not sure that …
The links to
Secret sharing (also called secret splitting) refers to methods for distributing a secret amongst a group of participants, each of whom is allocated a share of the secret. The secret can be reconstructed only when a sufficient …
In the Tools/scripts directory of Python - lots of goodness there. Don't forget!
If you can find your Python directory, there are lots of good tools there to use, if you want.
My favorite (right now) is the diff.py that does a really good job of showing differences, down …
How to get directory listing with human readable file sizes
Usually, it doesn't matter too much, but it's nice to have the sizes shown rather than the bytes.
alias lh='ll -h'
Now, should have two decent directory listings: ll and lh.
BASH command output to the variable has great examples of how to do this. Basically, it boils down to something like this:
variable=$(command)
variable=$(command [opotion...] arg1 arg2 ...)
variable=$(/path/to/command)
You can also use the "`" as well, with all the caveats of using it in bash entails …
Pretty useful to have and know and I always find something, use it, and then forget where I used it (and how) but only remember that I did it. Sigh.
Here are several useful links:
How do I make python programs behave like proper unix tools? - I like ixtmixllix's approach …
Useful to put in your .bash_profile file to remove all of the churn that gets added to your PATH environment variable.
#### -------------------
#### remove any duplicates in PATH - w/o changing order
#### -- https://stackoverflow.com/questions/11650840/remove-redundant-paths-from-path-variable
#### -------------------
export PATH="$(echo "$PATH" | awk 'BEGIN{RS=":";}
{sub(sprintf("%c$",10),"");if(A[$0 …I was getting an error with Python 2.7 after coming in this morning and running a script.
Here is the error:
ValueError: unsupported hash type sha512
Along with a LOT of console output. This was what got repeated over and over.
Here is the fix Work around with Open …
I don't always need this, but at times, it is quite useful - view files in zip.
One command I was unaware of and one I had forgotten: zipinfo Archive.zip and unzip -l Archive.zip. Both should do the trick.
Here is basically what you need to do:
git push -u origin [your_branch_name]
an example:
git push -u origin dev_WEB_2020.04_STK_RWS-17501-addMegaHoverForUnderlying
This gets it up to the remote.
An interesting way to look at and fix a problem. Bash - when did I run that command?
I might try to use something like that for a different problem, but the solution might be just as valid.
Found a cool way to do a script (by Sparhawk in StackExchange) so that if you use sudo more than once or if a command requires you to enter your password, you should only have to enter it once.
I've used it already in my TCServer_restart.sh script and it …
A nice site to play with how you can manage/configure your bash prompt. Bash Prompt Generator
Found some tips on dynamic bash script. I tried to do some stuff and my attempt is shown below. It didn't work for the situation that I …
Using a back-tick quoted thing sends thing to the os to be executed. Not sure how useful that would be right now, but I could see where it might come in handy at some point.
jrnl notes "@jrnl Trying back-tick to enter date into entry. I'm going to try …I keep getting into a chicken/egg loop with trying to kick off a routine (whether it's a coroutine or a popen process or whatever) where I'm deadlocked because I need the process to return so I can start the process that will let it do the work!
Yeesh!
Anyway …
I thought it had a great explanation of some things I hadn't thought of, and it was very complete. pushd and popd commands
A useful thing to remember when you want to go back to where you started to do something!
This almost always messes me up in some way.
The important part is that you need to have the existence of a __init__.py file to tell Python 2.7 that it should treat the directory as a package. Then you can import from it.
Sigh.
I got that from …
Both are quite handy and I did NOT realize that they existed. Just import textwrap, give a constraint, and away you go. Quite nice. Need to use this in several scripts.
Found a nice implementation that works well at How to get Linux console window width in Python by Harco …
Here is a shell function and alias to define a way to view your PATH environment variable (i.e. - one directory path per line). Don't need to too often, but when I do, it's quite useful:
nice_path() {
tr ':' '\n' <<< $PATH
}
alias nicepath=nice_path
I made it an alias as well …
In the Include Files in Bash article, it gives some good examples (i.e. one reason to do this is for data, so it doesn't clutter up your script -- not stated, but I would use it this way).
Basically, it amounts to the following:
#!/usr/bin/env bash
source other-file …This is a handy bash script to remove duplicate PATH directories but doesn't modify the order of the path already listed. Pretty cool idea.
Here is the url: remove duplicate dirs from PATH
Here is the code:
export PATH="$(echo "$PATH" | awk 'BEGIN{RS=":";}
{sub(sprintf("%c$",10),"");if(A …