Showing tag results for PowerTip

Summary: Learn how to discover Windows PowerShell 3.0 functions.  How can I find all of the functions that exist in my Windows PowerShell 3.0 installation? a. Use the Function drive:             Dir Function: b. First import all of the modules, and then perform a direc...

Summary: Learn how to increase the maximum history value.    How can I increase the number of commands that are stored in the Windows PowerShell command history?  Specify a new value for the $MaximumHistoryCount automatic variable.    In Windows PowerShell 3.0, the variable is set to 4096, but you can store u...

Summary: Check for undeclared variables.  How can I cause the script to generate an error if a variable has not been declared?  Here are a couple of ways to do this with Windows PowerShell. a. Place set-psdebug –strict anywhere in the script. Any nondeclared variable will generate an error when accessed. b. Use Set-Stric...

Summary: Advice against using $input for a variable name.  Can I use a variable named $input to hold input from the Read-Host cmdlet?  $input is an automatic variable that is used for script blocks in the middle of a pipeline. As such, it would be a very poor choice.  Call the variable something ...

Summary: Learn how to use Windows PowerShell to solicit user input.   How can I solicit input from the user?  Use the Read-Host cmdlet: $in = Read-host “enter the data”