az CLI scripts.md

Check if exists before deletion without using exists

Write-Host "Checking if '$(legacy_functionapp_name) exists"
$functionAppCheck = az functionapp list --query "[?name=='$(legacy_functionapp_name)']" | ConvertFrom-Json
$functionAppExists = $functionAppCheck.Length -gt 0

Write-Host "Exists: $functionAppExists"
if ($functionAppExists) {
    Write-Host "Deleting legacy function app"
    az functionapp delete -n $(legacy_functionapp_name) -g $(resourcegroup_name)
}
else {
    Write-Host "Doing nothing"
}