CmdID / az / az storage / az storage file
az storage file exists
Check for the existence of a file. Azure CLI reference
4 options Its page in the Azure CLI reference
Options
--disallow-trailing-dotIf true, the trailing dot will be trimmed from the target URI.--share-name, -sThe file share name.--snapshotA string that represents the snapshot version, if applicable.--timeoutRequest timeout in seconds.