Difference between revisions of "Fall 2021: System Programming Lab"

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| style="width: 60%" | Write a Lex program that implements the '''Caesar cipher'''. It replaces every letter with the one three letters after(right shift) in an alphabetical order, wrapping around at Z e.g a is replaced by d ,d by e ,and so on z by c.
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| style="width: 60%" | Write a Lex program that implements the '''Caesar cipher'''. It replaces every letter with the one three letters after(right shift) in an alphabetical order, wrapping around at Z e.g a is replaced by d ,b by e ,and so on z by c.
 
| style="width: 15%" | Lab Exercise No. 2 || Read about Caesar Cipher from [https://en.wikipedia.org/wiki/Caesar_cipher]
 
| style="width: 15%" | Lab Exercise No. 2 || Read about Caesar Cipher from [https://en.wikipedia.org/wiki/Caesar_cipher]
 
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Revision as of 15:17, 10 August 2021

Resources

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

Lab 1: Getting Started ( week of 02nd August 2021 )

Q. NO. Program Lab Exercise No. Remarks
1 Write a Lex program to count the number of lines and characters in the input file. Lab Exercise No. 1
2 Write a Lex Program to count number of words. Practice Set No. 1(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 09th August 2021 )

Q. NO. Program Lab Exercise No. Remarks
1 Write a Lex program that implements the Caesar cipher. It replaces every letter with the one three letters after(right shift) in an alphabetical order, wrapping around at Z e.g a is replaced by d ,b by e ,and so on z by c. Lab Exercise No. 2 Read about Caesar Cipher from [3]