[BackupPC-users] Back up local server with tar: spaces in directory name

I'm running BackupPC 3.2.1 on a CentOS 6.3 x86_64 machine, as installed from the EPEL 6 repository. I'm using tar to back up the server, using:

$TarClientCmd = "/usr/bin/sudo /bin/tar -c -v -f - -C $shareName+ --totals"

to back up the server. The server is dual-boot, and I am trying to back up some windows directories that have embedded spaces. All directories without spaces back up correctly, but I haven't found a way to specify directories with spaces that works. I have tried the following things:

1 Replace spaces with '?', e.g. /win/c/Users/ehildum/TurboCAD?Professional?18/Drawings
     Xfer_log shows error:
     /bin/tar: ./win/c/Users/ehildum/TurboCAD\177Professional\17718/Drawings: Cannot stat: No such file or directory

2. Just use spaces, e.g. /win/c/Users/ehildum/TurboCAD Professional 18/Drawings
    Xfer_log shows error:
    /bin/tar: ./win/c/Users/ehildum/Documents/TurboCAD\\ Professional\\ 18/Drawings: Cannot stat: No such file or directory

3. Quote string, e.g. "/win/c/Users/ehildum/TurboCAD Professional 18/Drawings"
    Xfer_log shows error:
    /bin/tar: ./\\"/win/c/Users/ehildum/Documents/TurboCAD\\ Professional\\ 18/Drawings: Cannot stat: No such file or directory

I have run the commands:

/usr/bin/sudo /bin/tar -c -v -f - -C / --totals ./win/c/Users/ehildum/Documents/TurboCAD\ Professional\ 18/Drawings
and
/usr/bin/sudo /bin/tar -c -v -f - -C / --totals "./win/c/Users/ehildum/Documents/TurboCAD Professional 18/Drawings"

as the backuppc user, and both forms work. I just can't figure out how to get to list the directories in $BackupFilesOnly to get the right strings passed to tar.

Another strange thing is that in the Xfer_log, the listed tar command for method 2 appears to have the correct form:

... ./win/c/Users/ehildum/Documents/TurboCAD\ Professional\ 18/Drawings ...

Any help appreciated.
Ted

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[BackupPC-users] Back up local server with tar: spaces in directory names