Filespec syntax for Perforce to NOT include subfolders

I need to run some p4 commands usi开发者_运维问答ng a filespec with a changelist but I don't want to include files in subfolders. Typically the syntax is:

//depot/projectA/...@1234

However, this includes all subfolders. How can I restict the results to be only for the current folder?

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//depot/projectA/*@1234

More details at Perforce Wildcards.