Add "Read" Methods With Size Limits to FileUtils
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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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