Check if file exists on blob storage with Azure functions

Question

Based on https://ppolyzos.com/2016/12/30/resize-images-using-azure-functions/ I have the following C# code to resize an image using Azure Functions.

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Answer 1

Check if your Blob exists in the container, but then you will need to add the CloudBlobContainer as input parameter as well.

CloudBlockBlob existingBlob = container.GetBlockBlobReference(blobName);

And check if it exists using

await existingBlob.ExistsAsync()