比較-オブジェクトの複数の値のPowerShell

Question

複数のフィールド列を持つcsvファイルを処理するための解決策を見つけるのを手伝っていただけませんか

File1.csv

Teams,Category,Members
Team1,A,Smith;Johnson
Team1,C,Jones;Miller;Garcia
Team3,E,Wilson;Martinez
Team4,A,Martin;Jackson;White;Williams

File2.csv

Teams,Category,Members
Team1,A,Smith;Johnson
Team2,C,Jones;Miller;Garcia
Team3,E,Wilson;Martinez;Gonzalez;Hall
Team4,A,Martin;Jackson;Williams

相違：

1. チーム3にゴンザレスとホールを追加する
2. チーム4の白を削除

    $1 = Import-Csv -Path ".\File1.csv" -Delimiter ',' $2 = Import-Csv -Path ".\File2.csv" -Delimiter ','
    Compare-Object $1 $2 -Property Members -PassThru

結果：

Teams Category Members                       SideIndicator
Team3 E        Wilson;Martinez;Gonzalez;Hall =>           
Team4 A        Martin;Jackson;Williams       =>           
Team3 E        Wilson;Martinez               <=           
Team4 A        Martin;Jackson;White;Williams <=           

何が期待されるか：

Teams Category  Members                       SideIndicator
Team3 E         Gonzalez and Hall              =>
Team4 A         White                          <=

Answer 1

最初にオブジェクトを比較して相違点を見つけ（異なるチームのメンバーシップが一致する場合にエントリが欠落しないように、チームとメンバーの2つのプロパティを比較することに注意してください）、次に一致するオブジェクトから作成された配列を比較します。

$1 = Import-Csv -Path ".\File1.csv" -Delimiter ',' $2 = Import-Csv -Path ".\File2.csv" -Delimiter ','
$comparisonRes = Compare-Object $1 $2 -Property Teams,Members -PassThru foreach ($obj in $comparisonRes | Where-Object SideIndicator -eq "=>") { # $obj = ($comparisonRes | Where-Object SideIndicator -eq "=>")[0] $matchingEntry = $1 | Where-Object {$_.Teams -eq $obj.Teams} $matchingEntryMembers = $matchingEntry.Members -split ";" $currentEntryMembers = $obj.Members -split ";" $diffMembers = Compare-Object $matchingEntryMembers $currentEntryMembers
  
  # Uncomment to log
  # $diffMembers # Do something with $diffMembers here
}

Answer 2

配列と数値をサポートするcsvの代わりにjsonを使用することをお勧めします。それ以外の場合、チームは2つのセミコロンで区切られた文字列のように見えます。

file1.json

[
  {"Teams":"Team1","Category":"A","Members":["Smith","Johnson"]},
  {"Teams":"Team1","Category":"C","Members":["Jones","Miller","Garcia"]},
  {"Teams":"Team3","Category":"E","Members":["Wilson","Martinez"]},
  {"Teams":"Team4","Category":"A","Members":["Martin","Jackson","White","Williams"]}
]

file2.json

[
 {"Teams":"Team1","Category":"A","Members":["Smith","Johnson"]}, 
 {"Teams":"Team2","Category":"C","Members":["Jones","Miller","Garcia"]}, 
 {"Teams":"Team3","Category":"E","Members":["Wilson","Martinez","Gonzalez","Hall"]}, 
 {"Teams":"Team4","Category":"A","Members":["Martin","Jackson","Williams"]}
]

$1 = cat file1.json | convertfrom-json $2 = cat file2.json | convertfrom-json
Compare-Object $1 $2 -Property Members -PassThru

Teams Category Members                            SideIndicator
----- -------- -------                            -------------
Team3 E        {Wilson, Martinez, Gonzalez, Hall} =>
Team4 A        {Martin, Jackson, Williams}        =>
Team3 E        {Wilson, Martinez}                 <=
Team4 A        {Martin, Jackson, White, Williams} <=

これがより近い答えです。メンバーに対して一度に1行だけcompare-objectを実行し、チームとカテゴリを追加します。

$1 = cat file1.json | convertfrom-json $2 = cat file2.json | convertfrom-json

for($i = 0; $i -lt $1.length; $i++) {
  compare-object $1[$i].members $2[$i].members | 
    select @{n='Teams';    e={$1[$i].teams}},
           @{n='Category'; e={$1[$i].Category}},
           @{n='Members';  e={$_.inputobject}},
      sideindicator
}

Teams Category Members  SideIndicator
----- -------- -------  -------------
Team3 E        Gonzalez =>
Team3 E        Hall     =>
Team4 A        White    <=

zip関数PowerShell / CLIを使用する別の方法は次のとおりです。オブジェクトの両方のリストに複数の配列がある「Foreach」ループ。

$1 = cat file1.json | convertfrom-json
$2 = cat file2.json | convertfrom-json function Zip($a1, $a2) { # function allows it to stream while ($a1) {
        $x, $a1 = $a1 # $a1 gets the tail of the list
        $y, $a2 = $a2 [tuple]::Create($x, $y) } } zip $1 $2 | % { $whole = $_ # will lose this $_ in the select
  compare-object $whole.item1.members $whole.item2.members |
    select @{n='Teams';    e={$whole.item1.teams}}, @{n='Category'; e={$whole.item1.Category}},
      inputobject,sideindicator
}

Teams Category InputObject SideIndicator
----- -------- ----------- -------------
Team3 E        Gonzalez    =>
Team3 E        Hall        =>
Team4 A        White       <=