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What do you need to know about variable substitution in PowerShell?
PowerShell allows you to do command execution inside the string with a special syntax. This allows us to get the properties of these objects and run any other command to get a value.
What do you get when you run bash in PowerShell?
When we run bash commands or external executables in bash, we get plain text. When we run PowerShell cmdlets we get objects. So quite often, translating the bash way of doing things to PowerShell is the bad way of doing things.
What’s the difference between Bash and PowerShell in Linux?
Besides, this is an opportunity to illustrate fundamental differences between bash and PowerShell. By the way, PowerShell has been designed to be user-friendly, even old-school-Unix-shell-user-friendly, so there are built-in aliases for popular Linux/bash commands which are pointing to the actual cmdlet.
Why do I need to translate Bash commands to PowerShell?
Powershell gives us rich objects with properties and methods to easily extract the information we need and/or to manipulate them in all sorts of ways. Use this to your advantage ! Still, I’m going to do this translation exercise for a few basic commands because it can be an interesting learning exercise for bash users coming to PowerShell.
How to save the output of the find command?
I want to find the path to a file, and save that output to a variable in a shell script. Specifically, in the bash shell, if I write How do I get the variable GCC_VERSION to just hold the output of find? That is how do I save the output of the find *-gcc command into the variable GCC_VERSION so that First, your find command is incorrect.
How to save the result of find as a variable?
Specifically, in the bash shell, if I write How do I get the variable GCC_VERSION to just hold the output of find? That is how do I save the output of the find *-gcc command into the variable GCC_VERSION so that First, your find command is incorrect. If you want to look for all files that end in -gcc in the current directory it should be:
What do you need to know about variable substitution?
If you want to -join some strings without a separator, you need to specify an empty string ” . But if that is all you need, there’s a faster option. It’s also worth pointing out that you can also -split strings too. This is often overlooked but a great cmdlet for building a file path.