Bash key value file

Therefore, you can quickly restore backed-up registry keys by double-clicking the registry file and following the prompts. The Get-ItemProperty is a PowerShell cmdlet used to return registry entries in a more readable format than its relative command Get-Item. We can also get the value of a specific registry key using the Get-ItemProperty cmdlet.

Note: Please make sure to enclose the registry path in double quotation marks "" as some registry paths have spaces in them. Enclosing the path in double quotes will take the literal expression of the said path and will not result in an error. So, to output just the actual value of the registry key, we can call the key value name property into our script. What is the best way to read a config file in bash?

For example, you have a script and aren't willing to fill in all the config manually each time you call the script. I know I could just grep it for the arguments I'm looking for or so As mbiber said, source another file.

For example, your config file say some. This file is used to set configuration options for GRUB, since grub-mkconfig is a shell script that sources it:. You could inadvertently break that more easily than a sourced file. It's also recommended to check if the file exists before loading it because you don't want to continue running your script if a configuration file is not present.

Obviously, I am not the bash specialist here, but the concept should not be different in whatever language you use:. In the example below, you can use a very basic script to either set a string, or print a string, as set in your config file:. Of course, in a real applied script, you need to add a lot of stuff to make sure the arguments are correct, decide what to do when input is incorrect, settings file does not exist etc, but:.

Ubuntu Community Ask! Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams?

I've got my script working almost. The goal of this is to take defined values from a file and then populate these valeus in a shell script at runtime. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 5 years, 5 months ago. Active 5 years, 5 months ago. Viewed 4k times. Please take a look at what i have here The first file: ab.

Charles Duffy k 36 36 gold badges silver badges bronze badges. Tony Sawah Tony Sawah 55 1 1 silver badge 4 4 bronze badges. So when you set a value, you have to account for the idea that it may be or may not be commented out.

Here is a sed with a regex that takes care of this, and sets the port value to Building on the last example, if a key is not found at all then you may want to append to the end of the file.

And if the key is found even if commented out then we set the value in place like the last example.