[Pig Wiki] Update of "PigStreamingFunctionalSpec" by PradeepKamath

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The following page has been changed by PradeepKamath:
http://wiki.apache.org/pig/PigStreamingFunctionalSpec

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  }}}
  it will `not` ship it at all since there is no way to ship files to the necessary location (lack of permissions etc.).
  
+ A few other points to keep in mind with regards to auto-ship:
+ 
+ Pig will also not auto-ship files in the following system directories (this is determined by executing 'which' command)
+ 
+         /bin
+         /usr/bin
+         /usr/local/bin
+         /sbin
+         /usr/sbin
+         /usr/local/sbin
+ 
+ Also to autoship, the file in question should be present in the PATH. So if the file in the current working directory then the current working directory should be in the PATH.
+ 
  2. It is safe only to ship files to be executed from the cwd on the task on the cluster:
  {{{
  OP = stream IP through `script`;