[R] R equivalent of linux "cut", "paste", and "grep" ?

From: Ng Stanley <stanleyngkl_at_gmail.com>
Date: Thu, 14 Feb 2008 16:03:29 +0800


Hi,

What functions should I use in order to perform the following steps:

  1. Load a particular column (e.g., column 5) from a csv file
  2. Append the column 5 to another csv file
  3. select those rows that match specific keywords in column 5

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