Write a programme to accept a string as a command line argument and check whether it is a file or directory.If it is a directory,count how many files the directory has and delete all files with extension .txt .If it is a file display all its information(path,size,attributes etc.

Name :Shreyal Mandot

Title : Assignment 5a1. Write a programme to accept a string as a command line argument and check whether it is a file or directory.If it is a directory,count how many files the directory has and delete all files with extension .txt .If it is a file display all its information(path,size,attributes etc.

import java.io.*;

class ass5a1
{

public static void main(String args[])throws IOException
{

int cnt=0 ;

BufferedReader b=new BufferedReader(new InputStreamReader(System.in));

File f1=new File(args[0]);

if(f1.isDirectory())
{

String filelist[]=f1.list();

for(String temp:filelist)
{

File ftemp=new File(args[0]+"/"+temp);

if(ftemp.isFile())
{

        System.out.println(temp);
cnt ++;

}

if(temp.endsWith(".txt"))
{

System.out.println("Delete "+temp+" ? (yes/no) :");

        String c;
        c=b.readLine();

  if(c.equals("yes"))
  System.out.println("Deleted : "+ftemp.delete());

}

}

System.out.println("No of files: "+cnt);

      }

     if(f1.isFile())
{

  System.out.println("File Information:\nPath : "+f1.getAbsolutePath());
  System.out.println("Size "+f1.length()+"Bytes\nAttributes :\n"+"Read : "+f1.canRead()+"\nWrite : "+f1.canWrite());

}
 
}

}

/*

Output-

[prady@localhost setA]$ javac ass5a1.java
[prady@localhost setA]$ java ass5a1 math

mathoperation.class
mathoperation.java
No of files: 2

[prady@localhost setA]$ java ass5a1 xxx.txt

File Information:
Path : /cslogin/ty014/TCS/Desktop/lab1/xxx.txt
Size 38Bytes
Attributes :
Read : true
Write : true

[prady@localhost setA]$ java ass5a1 math/test
xx.txt
Delete xx.txt ? (yes/no) :
yes
Deleted : true
No of files: 1
[prady@localhost setA]$

*/