[itsdb] Escaping @

[Stephan Oepen]

hi francis,

> how should one escape @ in tsdb item files?
> 
> For the moment I am using full width ＠ instead...
> U+FF20 FULLWIDTH COMMERCIAL AT

for string-valued fields in tsdb(1) data files, the following holds:

  @       --> \s
  newline --> \n
  \       --> \\

slow as it can be at times, it is really a full-text DBMS :-).

                                                      cheers  -  oe

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