Powershell command to trim path if ends "\" -

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i need trim path if ends "\".

c:\ravi\

i need change 

c:\ravi

i have case path not end "\" (then must skip).

i tried .endswith("\"). fails when have "\\" instead of "\".

is powershell way instead of having conditions.

no need overcomplicate

"c:\ravi\".trim('\')

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