Indirect return of all elements in an array
The Bash man page describes use of ${!a} to return the contents of the variable whose name is the contents of a (a level of indirection).
bash
Recursive glob?
I’d like to write something like this:
What is $() in a command?
What is $() in Linux Shell Commands?
How to define similar bash function at once
I have these functions in ~/.bashrc:
How to solve the issue that a Terminal screen is messed up? (usually after a resizing)
Sometimes, a terminal screen is messed up, and when we use man ls to read the manpages, or press the UP arrow to go to previous commands in history, the screen will show characters not as the right place. (for example, treat the end of screen as some where in the middle of the screen).
Parallel execution of bash script
I have a table URL_Experiment in my database (mySQL database). I have 2 million URL links in this table.
Get path of current script when executed through a symlink
I have a utility consisting of a couple of directories with some bash scripts and supporting files that will be deployed to several machines, possibly in a different directory on each machine. The scripts need to be able to reference paths relative to themselves, so I need to be able to get the path to the file that’s currently being executed.
How to use flock and file descriptors to lock a file and write to the locked file?
I have a bash script that makes a cURL request and writes the output to a file called resp.txt. I need to create an exclusive lock so that I can write to that file and not worry about multiple users running the script and editing the text file at the same time.
How to script make menuconfig to automate Linux kernel build configuration?
I want to automate a Linux build but eventually get to a point where I need to run what seems to be a very manual step: make menuconfig. This seems to synchronize configs between the OS and kernel configs?
Clipboard for copying and pasting files in command line?
In Bash, suppose I visit a directory, and then another directory. I would like to copy a file from the first directory to the second directory, but without specifying the long pathnames of them. Is it possible?