Powershell Do Until Loop

Question

$StartID = Read-Host -Prompt "StartID"
$StopID = Read-Host -Prompt "StopID"
$i = $StartID
do {
    Write-Host $startID
    Write-Host $StopID
    $i = ($StartId + 1)
} until ($i -gt $StopID)

The first problem is that after the statement $i = $startid + 1, the $i equals 11 and not 2. The second problem is that even though the until statement says that it should stop when $i -gt $stop the loop continues forever.

How do I get the $i to increase by 1 and not 10 and how do I stop the loop when $i -gt $stop.

Moerwald · Accepted Answer · 2018-10-15 11:03:02Z

4

Read-Promptreturns a string per default (this stackoverflow answer explains different ways for conversion). You've to convert/cast the string to a numeric value:

[int]$start = Read-Host -Prompt "Start"
[int]$stop = Read-Host -Prompt "Stop"

do {
   Write-host $start
   $start++
} until ($start -ge $stop)

Hope that helps.

answered Oct 15, 2018 at 11:03

Moerwald

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