SUB1

$USER = read-host "Please enter your name:"
foreach($line in Get-Content C:\Users\User\Desktop\phonebook.txt) {
if($line.Split("{,}")[0] -eq $USER){
$line.Split("{,}")[0];
"--"
$line.Split("{,}")[1];
}else{
$ln=$USER;
$ln=$ln+",";
$p= read-host "Please enter your phone:";
$ln=$ln+$p
Out-File -filepath C:\Users\User\Desktop\phonebook.txt -append -confirm;
}
}