Assuming this is linux (use cygwin otherwise), shell commands are made for this: 
  grep "IDENTIFIER" File1 > File2
  tail -f File1 | grep "IDENTIFIER" >> File2

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            "XML is like violence: if it doesn't solve your problem, use more."

In reply to Re: Get specific entries from a file which is always growing by NetWallah
in thread Get specific entries from a file which is always growing by ashok.g

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