Deduce the server URL from the current directory inside the working copy

Hello, all

I find it mildly annoying to type the full path
within a repository for server-side file operations,
such as 'delete' and 'copy'. Observe that, being on
Windows, I must use quotes in order to escape the
caret character:

   svn rm "^/A/B/C/file.txt"

Is there a way to avoid the entry of the full path
when invoking this command from A/B/C/ in a working
copy? In other words, I should like to have some
syntax that told SVN to use the full sever-side path
of a file using the current directory within a work-
ing copy. For example, instead of writing:

   svn rm "^/A/B/C/file.txt"

I could:

   cd Work/A/B/C
   svn rm "^^file.txt"

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