TextSearch.ps1

# Refactored from https://www.reddit.com/r/PowerShell/comments/44zkff/simple_script_for_looking_through_text_files_for/

# Lots of comments explaining changes removed. Look at the revision history in Gist or the commit messages in git for explanations.

param(
    [string] $LogDirectory = "C:\Projects\Patterns\Reports\Run01\logs",
    [string] $ResultFileDate = ("Results_{0}.csv" -f (MyDate)),
    [string] $ExtractedFilePath = "$($LogDirectory.TrimEnd('\'))\$($ResultFileDate)",
    [Array] $patterns= @(
        ',vsftp ,Connection closed.'
        'The sftp operation was aborted.'
    )
)

function MyDate { Get-Date -Format "MM-dd-yyyy-hh-mm-ss" }

Get-ChildItem $LogDirectory -Filter *.log |
    ForEach-Object { 
        $File = $_
        Write-Host ("{0}: File being processed is {1}`n" -f (MyDate), $File.Name)
        $File.FullName
        $patterns | ForEach-Object {
            $pattern = $_
            Get-Content $File |
                select-string -pattern $pattern |
                ForEach-Object {
                    $_ -replace "time: ", "time," `
                        -replace " seconds.", "" `
                        -replace " secs.", ""
                }
            }
    } |
    Add-Content $ExtractedFilePath

Write-Host ("{0}`nResults available in {1}`n" -f (MyDate), $ExtractedFilePath)