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USING FILES

1. Write a program to display contents of file on the screen. The program should ask for file name. Display the contents in capital case.
2. Write a program to find size of the file.
3. Write a program to combine contents of two files in a third file. Add line number at the beginning of each line.
4. Write a program to display number 1 to 100. Redirect the output of the program to text file.
5. Write a program to write contents of one file in reverse into another file.
6. Write a program to count number of lines, words and characters in a file.
7. Write a program to create a file called dictionary. dat that contains the information such as Name, Surname, City and Phone number. Write a program to accept a City from user and list details of persons having the given city.
8. Write a program to copy one file to another. While doing so,all extra spaces in a file should be squeezed to one. For eg. If a file contains line “I am learning C”, it should be converted to “I am learning C”.
9. Write a program that counts the frequency of a word from a text file. The program should accept file name as commandline argument. Program should continue to ask word and display its frequency in a file till the Enter key is pressed without entering any word.
10.Write a Program to insert the following contents in a file named “File1”.Customer No. Account Type Balance 101 Savings 2000 102 Current 5000 103 Savings 3000 104 Current 10000Append the contents of “File1” in another file “File2”. Also display the contents of File2 on screen.

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