ShowFile

/**
* Use a FileReader to display a text file.
*
* To use this program, specify the name
* of the file that you want to see.
* For example, to see a file called Test.txt,
* use the following command line:
*
*     java ShowFile Test.txt
*
*/

package FileIO;

import java.io.*;

/**
* @author Administrator
*
*/
public class ShowFile {

/**
* @param args
*/
public static void main(String[] args) {
FileReader fr;

// First make sure that a file has been specified.
if (1 != args.length) {
System.out.println("Usage: ShowFile file");
return ;
}

try {
// Open the file.
fr = new FileReader(args[0]);
} catch (FileNotFoundException exc) {
System.out.println("File Not Found");
return ;
}

// At this point, the file is open and
// its contents can be read.
try {
int ch;

// Read the file one character at a time.
do {
ch = fr.read();
if (-1 != ch)
System.out.print((char)ch);
} while (-1 != ch);
} catch (IOException exc) {
System.out.println("Error Reading File");
}

try {
fr.close();
} catch (IOException exc) {
System.out.println("Error Closing File");
}
}
}