Re: Creating a unique path separator

"Heinz Ozwirk" <>
Wed, 19 Jul 2006 13:55:49 +0200
<> schrieb

If i have a tree structure, where the names can have ANY character in
them, what would be the best method for finding a 'unique series of
characters' to use as a separator when writing a path to an XML file?

You cannot write a path (or anything else) containing ANY character to an
XML file. At least you have to encode '<' as something like <lt> (or
<lt/>?). So you can easily encode separators as <separator/> or something

Or, if you write to a plain text file, you could prefix each piece of a path
by its length, enclosed in, say, braces. So "First Piece/Second Part/And all
the rest" would become "{12}First Piece{11}Second Part{16}And all the
rest{}". For readabiliy, you can even insert line breaks just ahead of any

Of cause you can also determine the length of the longest part of a path,
say n, and use a string of n+1 instances of any character different from the
first character of the first part. Then first write the separator followed
by the path, its parts separated by the separator string.

All good suggestees will have a planet named after them,

If you need more names for planets, I'm sure I can make up some other


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