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From "Michael Wooten (JIRA)" <j...@apache.org>
Subject [jira] Created: (IO-236) Add "Read" Methods With Size Limits to FileUtils
Date Thu, 04 Mar 2010 19:49:27 GMT
Add "Read" Methods With Size Limits to FileUtils
------------------------------------------------

                 Key: IO-236
                 URL: https://issues.apache.org/jira/browse/IO-236
             Project: Commons IO
          Issue Type: Improvement
          Components: Utilities
    Affects Versions: 2.0
         Environment: 1.4+
            Reporter: Michael Wooten
            Priority: Minor
             Fix For: 2.0


I suggest adding versions of the utility methods for reading lines and Strings from a file
that also accept a limit on the number of bytes or lines that should be read. I propose that
the following methods be added:

String readFileToString(File file, long byteCountToRead)
String readFileToString(File file, String encoding, long byteCountToRead)
byte[] readFileToByteArray(File file, long byteCountToRead)
byte[] readFileToByteArray(File file, String encoding, long byteCountToRead)
List<String> readLines(File file, long lineCountToRead)
List<String> readLines(File file, String encoding, long lineCountToRead)

One of the drawbacks I have encountered to using the methods in the past is that I only needed
to read a limited number of bytes or lines from a file and I had to read the entire file.
This can be especially dangerous if run on a file that is quite large, and only a portion
of the file is needed.

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