$a=”This”, ‘Is’, ‘a’, ‘cat’ Using double quotes (and optionally use the separator $ofs) # This Is a cat “$a” # This-Is-a-cat $ofs=”-” # after this all casts work this way until $ofs changes! “$a” Using operator join # This-Is-a-cat $a -join ‘-‘ # ThisIsacat -join $a Using conversion to [string] # This Is a cat … Read more
Create a shortcut with something like this as the “Target”: powershell.exe -command “& ‘C:\A path with spaces\MyScript.ps1’ -MyArguments blah”
Starting in PowerShell version 4, this is easy to do for files out of the box with the Get-FileHash cmdlet: Get-FileHash <filepath> -Algorithm MD5 This is certainly preferable since it avoids the problems the solution for older PowerShell offers as identified in the comments (uses a stream, closes it, and supports large files). If the … Read more
The given answers will only delete files (which admittedly is what is in the title of this post), but here’s some code that will first delete all of the files older than 15 days, and then recursively delete any empty directories that may have been left behind. My code also uses the -Force option to … Read more
For PowerShell 3.0 and greater: Get-ChildItem -Directory You can also use the aliases dir, ls, and gci For PowerShell versions less than 3.0: The FileInfo object returned by Get-ChildItem has a “base” property, PSIsContainer. You want to select only those items. Get-ChildItem -Recurse | ?{ $_.PSIsContainer } If you want the raw string names of … Read more
Use the Get-ChildItem cmdlet with the -Recurse switch: Get-ChildItem -Path V:\Myfolder -Filter CopyForbuild.bat -Recurse -ErrorAction SilentlyContinue -Force
PowerShell 3+ # This is an automatic variable set to the current file’s/module’s directory $PSScriptRoot PowerShell 2 Prior to PowerShell 3, there was not a better way than querying the MyInvocation.MyCommand.Definition property for general scripts. I had the following line at the top of essentially every PowerShell script I had: $scriptPath = split-path -parent $MyInvocation.MyCommand.Definition
In PowerShell V1 there’s only # to make the text after it a comment. # This is a comment in PowerShell In PowerShell V2 <# #> can be used for block comments and more specifically for help comments. #REQUIRES -Version 2.0 <# .SYNOPSIS A brief description of the function or script. This keyword can be … Read more