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If I the path to a directory, what command can I use to return the actual name of that directory.

test=`pwd`/folder1

> [command] $test
folder1

I'd rather avoid anything with regular...

Thank you very much :)

If I have a file x.txt that is 8 bytes... I want to enter

>> [command or combination of commands] x.txt
8

I've played around with ls, and du... and they always list the file name.