Fall 2020: System Programming Lab

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Resources

  • An introductory tutorial on Lex.
  • LEX & YACC TUTORIAL by Tom Niemann [1]
  • Lex Basics on javatpoint [2]
  • Lex on Windows [3]

Lab 1: Getting Started ( week of 10th August 2020 )

Q. NO. Program Lab Exercise No. Remarks
1 Write a Lex Program to count number of words Practice Set No. 1(1)
2 Write a Lex program to count the number of lines and characters in the input file. Lab Exercise No. 1
3 Write a Lex Program to count the number of lines, tabs and spaces used in the input. Practice Set No. 1(2)
4 Write a Lex Program to count the number of lines, words, small letters, capital letters, digits, special characters, and finally all characters. Practice Set No. 1(3)

Lab 2 ( week of 17th August 2020 )

Q. NO. Program Lab Exercise No. Remarks
1 Write a Lex program to count the number of vowels and consonants in a given string Practice Set No. 2(1)
2 Write a Lex program that implements the Caesar cipher. It replaces every letter with the one three letters after in an alphabetical order, wrapping around at Z e.g a is replaced by d ,d by e ,and so on z by c. [Read about Caesar Cipher from https://en.wikipedia.org/wiki/Caesar_cipher] |