File Information Java Program

This program take a file path and file name in the command line and displays the details of the file. 

Program to accepts a filename from command line argument and displays the number of characters, words, and lines in the file.



import java.io.*; 
class CountF 
{ 
public static void main(String args[])throws IOException 
{ 
 int ch; 
 boolean prev=true; 
 int char_count=0; 
 int word_count=0; 
 int line_count=0; 
 FileInputStream fin=new FileInputStream(args[0]); 
 while((ch=fin.read())!=-1) 
 { 
   if(ch!=' ') ++char_count; 
   if(!prev && ch==' ') ++word_count; 
   if(ch==' ') prev=true;else prev=false; 
   if(ch=='\n') ++line_count; 
 } 
 char_count -= line_count*2; 
 word_count += line_count; 
 System.out.println("Number of Characters="+char_count); 
 System.out.println("Number of Words="+word_count); 
 System.out.println("Number of Lines="+line_count); 
 fin.close(); 
 } 
}

Hope this Program is useful to you in some sense or other. Keep on following this blog for more Mumbai University MCA College Programs. Happy Programming and Studying.