Dowst.Dev

If (Test-Path $FilePath){
	Remove-Item $FilePath
}

PS C:\> $FilePath = "C:\temp\temp01.csv"
>> If (Test-Path $FilePath){
>> 	Remove-Item $FilePath
>> }

# add '-recurse' to include sub folders
Get-ChildItem -Path $directory -Filter "*.CSV"

PS C:\> $directory = "C:\temp"
>> Get-ChildItem -Path $directory -Filter "*.CSV"



    Directory: C:\temp


Mode                LastWriteTime         Length Name
----                -------------         ------ ----
-a----        6/19/2019  11:45 AM         528685 temp01.csv
-a----        6/19/2019  11:45 AM         528685 temp02.csv

# add '-recurse' to include sub folders
Get-ChildItem -Path $directory -Directory

PS C:\> $directory = "C:\temp"
>> Get-ChildItem -Path $directory -Directory



    Directory: C:\temp


Mode                LastWriteTime         Length Name
----                -------------         ------ ----
d-----        6/19/2019  12:53 PM                Logs

# add '-recurse' to include sub folders
Get-ChildItem -Path $directory -File

PS C:\> $directory = "C:\temp"
>> Get-ChildItem -Path $directory -File



    Directory: C:\temp


Mode                LastWriteTime         Length Name
----                -------------         ------ ----
-a----        6/19/2019  11:45 AM         528685 temp01.csv
-a----        6/19/2019  11:45 AM         528685 temp02.csv

# add '-recurse' to include sub folders
Get-ChildItem -Path $directory

PS C:\> $directory = "C:\temp"
>> Get-ChildItem -Path $directory



    Directory: C:\temp


Mode                LastWriteTime         Length Name
----                -------------         ------ ----
d-----        6/19/2019  12:53 PM                Logs
-a----        6/19/2019  11:45 AM         528685 temp01.csv
-a----        6/19/2019  11:45 AM         528685 temp02.csv

# Set number of days, in the past, to delete files
$days = 7
# Set directory to create logs in
$directory = "C:\Test\Logs"

# Get all files in the directory include '-recurse' to also get sub folders
$files = Get-ChildItem -Path $directory -File
# filter to ones last written to over X number of days
$ToDelete = $files | Where-Object{$_.LastWriteTime -lt (Get-Date).Date.AddDays(-$days)}
# Delete the files
$ToDelete | Remove-Item -Force

# Set number of days, in the past, to create log files for
$days = 14
# Set directory to create logs in
$directory = "C:\Test\Logs"

$i=1
While($i -lt $days){
    # Get Date and create log file
    $date = (Get-Date).AddDays(-$i)
    $logFile = "u_ex" + ($date.Year).ToString().Substring(2,2) + (($date.Month).ToString().PadLeft(2)).Replace(" ","0") + (($date.Day).ToString().PadLeft(2)).Replace(" ","0") + ".log"
    $logPath = join-path $directory $logFile
    $date | out-file $logPath

    # Set the Creation, Write, and Access time of log file to match date
    Get-Item $logPath | % { $_.CreationTime = $date; $_.LastWriteTime = $date; $_.LastAccessTime = $date }

    $i++
}

# Get the files to zip
$FilesToZip = Get-ChildItem -Path $FolderPath -File

# Load the assembly to get the zip functionality
[Reflection.Assembly]::LoadWithPartialName( "System.IO.Compression.FileSystem" ) | Out-Null
# Set compression level
$compressionLevel = [System.IO.Compression.CompressionLevel]::Optimal

# Set Zip file pathc based on folder
$ZipPath = Join-Path $FolderPath "$(Split-Path $FolderPath -Leaf).zip"

# initialize the zip file
$Archive = [System.IO.Compression.ZipFile]::Open( $ZipPath, "Update" )

# add each file to the zip
Foreach($file in $FilesToZip){
    $AddZip = [System.IO.Compression.ZipFileExtensions]::CreateEntryFromFile($Archive, $file.FullName, $file.Name, $compressionLevel)
}

# release the zip
$Archive.Dispose()
Write-Output "The file '$ZipPath' has been created"

PS C:\> $FolderPath = "C:\Scripts\Logs"
>> $FilesToZip = Get-ChildItem -Path $FolderPath -File
>> [Reflection.Assembly]::LoadWithPartialName( "System.IO.Compression.FileSystem" ) | Out-Null
>> $compressionLevel = [System.IO.Compression.CompressionLevel]::Optimal
>> $ZipPath = Join-Path $FolderPath "$(Split-Path $FolderPath -Leaf).zip"
>> $Archive = [System.IO.Compression.ZipFile]::Open( $ZipPath, "Update" )
>> Foreach($file in $FilesToZip){
>>     $AddZip = [System.IO.Compression.ZipFileExtensions]::CreateEntryFromFile($Archive, $file.FullName, $file.Name, $compressionLevel)
>> }
>> $Archive.Dispose()
>> Write-Output "The file '$ZipPath' has been created"

The file 'C:\Scripts\Logs\Logs.zip' has been created

# Return just the file name
[System.IO.Path]::GetFileName($FilePath)

# Returns file name without the extension
[System.IO.Path]::GetFileNameWithoutExtension($FilePath)

# Returns the file extension only
[System.IO.Path]::GetExtension($FilePath)

PS C:\> $FilePath = "C:\Scripts\ScriptSearcher.ps1"
>> [System.IO.Path]::GetFileName($FilePath)
>> [System.IO.Path]::GetFileNameWithoutExtension($FilePath)
>> [System.IO.Path]::GetExtension($FilePath)

ScriptSearcher.ps1
ScriptSearcher
.ps1