PowerShell Script get Last 50 Line Apache Log / Summary and By Time

a_ver2_get_last50.ps1

#================================================================
# @Author: Thitipong.s 
# @Since : 2017-03-13 
# @For   : (Demo ) Display tail log in xampp log 
#================================================================ 


# copy and past this script to power shell script 

#===========================================
function loadfile($max_tail = 50 ){
    $row = Get-Content c:\xampp\apache\logs\access.log -Tail $max_tail 
    return $row 
}
#===========================================

function filter_row($array , $search_text){
    return $array.GetEnumerator() | Where { $_ -match $search_text }
}

#===========================================
function rep_sum($row){
    $aurl = @{}
    $aurl2 = @()
    foreach ($r in $row ){
    $col =  $r.split(" ")
    $url = $col[6]
    if( -Not ($aurl.Contains($url ))){
            $tmp  =  $aurl.Add( $url , 1)
        }else{
            $aurl[$url] = $aurl[$url] + 1
        }
        $aurl2 += $url  
    }
    # report sum  
    $rep = $aurl.GetEnumerator() | Select Value, Name |  Sort-Object Value -descending
    #$aurl 
    #$aurl2
    return  @{'r_bycount'= $rep ;  'rawlog_url' = $aurl2  } 
}
 

function main($max_tail = 50 ){
    $row = loadfile -max_tail $max_tail
    $result = rep_sum -row $row
    $r_bycount = $result['r_bycount'] 
    $rawlog_url = $result['rawlog_url']

    "======  Summary Data ========= "  
    #full data 
    $r_bycount  

    # filter
    "====== Filter Text on Summary Data ========= " 
    filter_row -array $r_bycount -search_text "admin"

    "====== Filter Text on Summary raw log ========= " 
    filter_row -array $rawlog_url -search_text "admin"

    "===== raw log , by time ====== " 
    $rawlog_url 
}

return main -max_tail 50

#=====================
# run main -max_tail 10  ,again  , again and again  
#=====================
 

get_last50line_of_apachelog.ps1

#===========================================
$row = Get-Content c:\xampp\apache\logs\access.log -Tail 50

#===========================================
$aurl = @{}
$aurl2 = @()
foreach ($r in $row ){
 $col =  $r.split(" ")
 $url = $col[6]
 if( -Not ($aurl.Contains($url ))){
 $tmp  =  $aurl.Add( $url , 1)
 }else{
    $aurl[$url] = $aurl[$url] + 1
 }
 $aurl2 += $url  
 }
 $aurl.GetEnumerator() | Select Value, Name |  Sort-Object Value -descending
 $aurl 
 $aurl2 

NoteAddintional.md

#NOTE : 

# หาต่อ ว่า url พวกนี้ มีอันไหนบ้าง มีคำว่า root ใน url 
$aurl2.GetEnumerator() | where { $_ -Match "root" }

# หาว่า แถวไหน เป็น 404 บ้าง 
$row.GetEnumerator() | where { $_ -Match "1.1"" 404" }

# หาว่าแถวไหน มีคำว่า admin บ้าง
$row.GetEnumerator() | where { $_ -Match "admin" }