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While reading the help file of getSymbols {quantmod}, I came across following lines:

The “sourcing” of data is managed internally through a complex lookup procedure. If symbol.lookup is TRUE (the default), a check is made if any symbol has had its source specified by setSymbolLookup.

I was wondering whether it is possible to view this complex lookup procedure (or internal functions).

user227710
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    Related: [How can I view the source code for a function?](http://stackoverflow.com/q/19226816/271616) – Joshua Ulrich Jun 07 '15 at 22:27
  • @Joshua: Thanks. I can view the source code for this function, but how about the lines that I mentioned in the OP. Are these two the same? – user227710 Jun 07 '15 at 22:39
  • The `quantmod` packages is available on [github](https://github.com/R-Finance/quantmod) and the functions that are included are in the usual location within the `/R` sub-directory, including [getSymbols](https://github.com/R-Finance/quantmod/blob/master/R/getSymbols.R). – Jthorpe Jun 08 '15 at 00:01

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