Hi,

Johan Ehnberg wrote on 2009-04-08 10:28:53 +0300 [Re: [BackupPC-users] 
BackupPC, rsync and ssh]:
> [...]
> > 2) what's the meaning of "+" sign at the end of $argList?
> [...]
> 2) Maybe something with variables... someone else may know better.

quoting the default config file (explaining the TarClientCmd configuration
value):

# If a variable is followed by a "+" it is shell escaped.  This is
# necessary for the command part of ssh or rsh, since it ends up
# getting passed through the shell.

In other words: any part of a configuration value that will be *parsed by a
shell* must be accordingly quoted to protect meta-characters like '*' or ' '
from being misinterpreted. For verbatim text, you add backslashes as you need
them. For interpolated variables, the "+" at the end (as in "$argList+") does
this for you.

Regards,
Holger

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