@Andrew Grande Thanks for the clarification. ... View more

In addition to @Pierre Villard's answer (which nicely gets the job done with ExecuteScript, I have a similar example here), since you are looking to do row-level operations (i.e. select columns from each row), you could use SplitText to split the large file into individual lines, then your ReplaceText above, then MergeContent to put the whole thing back together. I'm not sure which approach is faster per se; it would be an interesting exercise to try both. ... View more

Ah right, I'm used to setting this up with ListHDFS + FetchHDFS which is different because its a shared resource... You are right that it is not going to work correctly when it is not a shared location because another node can't fetch a file that is only on primary node. Sorry about the confusion. ... View more

@Matt Burgess It worked! I tried with grape install command from command line and it popped some messages which stated that the jars are found in library. Now i can see a .groovy/grapes folder in documents which has the appropriate jar files! I ran the scripts thereafter and it successfully updated the processor properties as expected. I guess its now resolving the missing jar file paths on its own since the install. However I also noticed that having the @Grab part active or not doesn't matter to the code anymore. Much appreciated and thanks a ton to you and Bryan for the most valuable inputs! ... View more