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Diffstat (limited to 'powershell.html.markdown')
-rw-r--r-- | powershell.html.markdown | 60 |
1 files changed, 50 insertions, 10 deletions
diff --git a/powershell.html.markdown b/powershell.html.markdown index 5ec18afb..2a7deee1 100644 --- a/powershell.html.markdown +++ b/powershell.html.markdown @@ -13,6 +13,22 @@ A key difference with Bash is that it is mostly objects that you manipulate rath [Read more here.](https://technet.microsoft.com/en-us/library/bb978526.aspx) +If you are uncertain about your environment: +```powershell +Get-ExecutionPolicy -List +Set-ExecutionPolicy AllSigned +# Execution policies include: +# - Restricted: Scripts won't run. +# - RemoteSigned: Downloaded scripts run only if signed by a trusted publisher. +# - AllSigned: Scripts need to be signed by a trusted publisher. +# - Unrestricted: Run all scripts. +help about_Execution_Policies # for more info + +# Current PowerShell version: +$PSVersionTable +``` + +The tutorial starts here: ```powershell # As you already figured, comments start with # @@ -25,17 +41,18 @@ echo Hello world! echo 'This is the first line'; echo 'This is the second line' # Declaring a variable looks like this: -$Variable="Some string" +$aString="Some string" # Or like this: -$Variable1 = "Another string" +$aNumber = 5 # Using the variable: -echo $Variable -echo "$Variable" -echo '$($Variable + '1')' +echo $aString +echo "Interpolation: $aString" +echo "`$aString has length of $($aString.length)" +echo '$aString' echo @" This is a Here-String -$Variable +$aString "@ # Note that ' (single quote) won't expand the variables! # Here-Strings also work with single quote @@ -45,12 +62,35 @@ $Variable echo "Booleans: $TRUE and $FALSE" echo "Empty value: $NULL" echo "Last program's return value: $?" +echo "Exit code of last run Windows-based program: $LastExitCode" +echo "The last token in the last line received by the session: $$" +echo "The first token: $^" echo "Script's PID: $PID" -echo "Number of arguments passed to script: $#" -echo "All arguments passed to script: $Args" -echo "Script's arguments separated into different variables: $1 $2..." +echo "Full path of current script directory: $PSScriptRoot" +echo 'Full path of current script: ' + $MyInvocation.MyCommand.Path +echo "FUll path of current directory: $Pwd" +echo "Bound arguments in a function, script or code block: $PSBoundParameters" +echo "Unbound arguments: $($Args -join ', ')." ######################## MOVE THIS TO FUNCTIONS +# More builtins: `help about_Automatic_Variables` # Reading a value from input: $Name = Read-Host "What's your name?" echo "Hello, $Name!" -[int]$Age = Read-Host "What's your age?"
\ No newline at end of file +[int]$Age = Read-Host "What's your age?" + + + + +``` + + +Configuring your shell +```powershell +# $Profile is the full path for your `Microsoft.PowerShell_profile.ps1` +# All code there will be executed when the PS session starts +if (-not (Test-Path $Profile)) { + New-Item -Type file -Path $Profile -Force + notepad $Profile +} +# More info: `help about_profiles` +```
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