FileUtil (Operating System and Hardware Information 2.5.1-java7 API)

java.lang.Object
- oshi.util.FileUtil

```
public class FileUtil
extends Object
```
File reading methods

Author:

widdis[at]gmail[dot]com

Constructor Summary

Constructors
Constructor and Description

FileUtil()

Constructors
Constructor and Description
`FileUtil()`

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static int`	`getIntFromFile(String filename)` Read a file and return the int value contained therein.
`static long`	`getLongFromFile(String filename)` Read a file and return the long value contained therein.
`static String[]`	`getSplitFromFile(String filename)` Read a file and return an array of whitespace-delimited string values contained therein.
`static String`	`getStringFromFile(String filename)` Read a file and return the String value contained therein.
`static List<String>`	`readFile(String filename)` Read an entire file at one time.
`static List<String>`	`readFile(String filename, boolean reportError)` Read an entire file at one time.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - FileUtil
```
public FileUtil()
```
- Method Detail
  - readFile
```
public static List<String> readFile(String filename)
```
    Read an entire file at one time. Intended primarily for Linux /proc filesystem to avoid recalculating file contents on iterative reads.
    
    Parameters:
    
    filename - The file to read
    
    Returns:
    
    A list of Strings representing each line of the file, or an empty list if file could not be read or is empty
  - readFile
```
public static List<String> readFile(String filename,
                                    boolean reportError)
```
    Read an entire file at one time. Intended primarily for Linux /proc filesystem to avoid recalculating file contents on iterative reads.
    
    Parameters:
    
    filename - The file to read
    
    reportError - Whether to log errors reading the file
    
    Returns:
    
    A list of Strings representing each line of the file, or an empty list if file could not be read or is empty
  - getLongFromFile
```
public static long getLongFromFile(String filename)
```
    Read a file and return the long value contained therein. Intended primarily for Linux /sys filesystem
    
    Parameters:
    
    filename - The file to read
    
    Returns:
    
    The value contained in the file, if any; otherwise zero
  - getIntFromFile
```
public static int getIntFromFile(String filename)
```
    Read a file and return the int value contained therein. Intended primarily for Linux /sys filesystem
    
    Parameters:
    
    filename - The file to read
    
    Returns:
    
    The value contained in the file, if any; otherwise zero
  - getStringFromFile
```
public static String getStringFromFile(String filename)
```
    Read a file and return the String value contained therein. Intended primarily for Linux /sys filesystem
    
    Parameters:
    
    filename - The file to read
    
    Returns:
    
    The value contained in the file, if any; otherwise emptpy string
  - getSplitFromFile
```
public static String[] getSplitFromFile(String filename)
```
    Read a file and return an array of whitespace-delimited string values contained therein. Intended primarily for Linux /proc
    
    Parameters:
    
    filename - The file to read
    
    Returns:
    
    An array of strings containing delimited values

Class FileUtil

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

FileUtil

Method Detail

readFile

readFile

getLongFromFile

getIntFromFile

getStringFromFile

getSplitFromFile