sc.textFile(....).flatMap(_.toIterator)
On Thu, Mar 19, 2015 at 6:31 PM, Sean Owen <so...@cloudera.com> wrote:
> val s = sc.parallelize(Array("foo", "bar", "baz"))
>
> val c = s.flatMap(_.toIterator)
>
> c.collect()
> res8: Array[Char] = Array(f, o, o, b, a, r, b, a, z)
>
> On Thu, Mar 19, 2015 at 8:46 AM, Michael Lewis <lewi...@me.com> wrote:
> > Hi,
> >
> > I’m struggling to think of the best way to read a text file into an
> RDD[Char] rather than [String]
> >
> > I can do:
> >
> > sc.textFile(….) which gives me the Rdd[String],
> >
> > Can anyone suggest the most efficient way to create the RDD[Char] ? I’m
> sure I’ve missed something simple…
> >
> > Regards,
> > Mike
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