Usage example for while and until in Powershell

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# While
Clear-Host
$i = 1
while ($i -le 5)
{
  "`$i = $i"
  $i += 1
}


# While won't execute if condition is already true
Clear-Host
$i = 6
while ($i -le 5)
{
  "`$i = $i"
  $i = $i + 1
}


# Do
Clear-Host
$i = 1
do
{
  "`$i = $i"
  $i++
} while($i -le 5)


# Do will always execute at least once
Clear-Host
$i = 6
do
{
  "`$i = $i"
  $i++
} while($i -le 5)


# Use until to make the check more positive
Clear-Host
$i = 1
do
{
  "`$i = $i"
  $i++
} until($i -gt 5)
Categories: Powershell