AdventOfCode2020-day2 -part1

################PART 1################
(((Get-Content .\input.txt -raw) -replace " ",",") -replace "-",",") -replace ":","" > input.csv

$header ="min","max","char","password"
$list = import-csv .\input.csv -header $header

$total = 0

foreach ($line in $list)
{
   $count = ($line.password.ToCharArray() | Where-Object {$_ -eq $line.char} | Measure-Object).count
    #$count
    if ($count -gt $line.max){}
    elseif ($count -lt $line.min){}
    else{$total++}
}

$total

###################Part2####################
(((Get-Content .\input.txt -raw) -replace " ",",") -replace "-",",") -replace ":","" > input.csv
$header ="pos1","pos2","char","password"
$list = import-csv .\input.csv -header $header

$total = 0
foreach ($line in $list)
    {
         $check1 = $line.password.substring([int]$line.pos1 -1, 1)
         $check2 = $line.password.Substring([int]$line.pos2 -1, 1)
         if ($check1 -eq $line.char)
         {
            if ($check2 -eq $line.char){}
            else {$total++}
         }
         elseif ($check2 -eq $line.char)
         { $total++ }
    }

    $total
    
    
    #####alternative way to convert to csv
    
    (Get-Content .\input.txt) -replace '[- :]+', ','     |     ConvertFrom-Csv -Header pos1, pos2, char, password