PowerShell script that loops through all CSV files in a folder, selects the desired columns, then outputs the files to a separate folder

CSV_SelectColumns.ps1

# ------------------------------------------------------------------------ 
# NAME: CSV_SelectColumns.ps1 
# AUTHOR: Chris Koester
# DATE: 11/2/2015
# 
# KEYWORDS: CSV, text, text file
# 
# COMMENTS: This script is used to loop through all CSV files in a folder,
#   select the desired columns, then output the files to a separate folder.
#
# DIRECTIONS: Enter the source/destination folder paths and the 
#   desired columns as variable values below. 
#
# REFERENCES:
# http://blogs.technet.com/b/heyscriptingguy/archive/2011/10/17/easily-remove-columns-from-a-csv-file-by-using-powershell.aspx
# ------------------------------------------------------------------------

# Folder containing source CSV files. Be sure to include a backslash after the folder.
$folderPath = 'C:\CSV_Source\'

# Destination folder for the new files. Be sure to include a backslash after the folder.
$folderPathDest = 'C:\CSV_Destination\'

# Desired columns - enclose in single quotes.
$desiredColumns = 'Column1','Column2', 'Column3','Column4','Column5'

# Generate a list of all files in the folder and pipe it to ForEach-Object
Get-ChildItem $folderPath -Name |

# Loop through each file
ForEach-Object { 

    # Combines source folder path and file name
    $filePath = $folderPath + $_

    # Combines destination folder and file name
    $filePathdest = $folderPathDest + $_

    # Imports CSV file, selects desired columns, and then exports as CSV to the desired destination
    Import-Csv $filePath | Select $desiredColumns |
    Export-Csv -Path $filePathDest –NoTypeInformation
}