Re[2]: [coldsync-hackers] Writing conduits that read more then one DB.

[Rob Bloodgood <robb at empire2 dot com>]

Friday, June 6, 2003, 12:17:34 PM, you wrote:


IB> This is similar to my thinking, although I never thought of the possibility of 
IB> allowing users to specify just the DB name without the path.  If I take that 
IB> approach, then I could do something like this:

IB> # Set default values
IB> %HEADERS = (
IB>         File            =>      "./TitraxTestOutput.txt"
IB>         DBpath          =>      InputDB =~ /(.*)\/.*$/
IB>         Datebookdb      =>      "DatebookDB.pdb"
IB>         TitraxNoteDB    =>      "TitraxNoteDB.pdb"
IB>         TitraxDataDB    =>      "TitraxDataDB.pdb"

IB> );

IB> Or not.  This produces a syntax error.  I'm guessing you can't set a hash 
IB> value like this, or am I doing it wrong?  Oh well, I'll just set DBpath from 
IB> within my dump function.  Unless there is a way to do what I'm trying here?

You need commas after the values.

The operator => is just a fancy comma, with the side affect that if
what's to the the left of it is a valid identifier, it gets
doublequoted. So, saying foo => "bar"  is the same as "foo", "bar"
which gives you commas after your keys.  But you ALSO need commas
after the values:

%HEADERS = (
        File            =>      "./TitraxTestOutput.txt",
        DBpath          =>      InputDB =~ /(.*)\/.*$/,
        Datebookdb      =>      "DatebookDB.pdb",
        TitraxNoteDB    =>      "TitraxNoteDB.pdb",
        TitraxDataDB    =>      "TitraxDataDB.pdb",

);

You'll notice a stray comma on the last one.  This is a non-error in
perl, and convenient if you ever add more entries to the hash, because
the comma is "already there" and prevents the syntax errors you saw.

HTH!

L8r,
Rob

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