Lex is a computer program that generates lexical analyzers. Lex reads an input stream specifying the lexical analyzer and outputs source code implementing the lexer in the C programming language.
The commands for executing the lex program are:
lex abc.l (abc is the file name) cc lex.yy.c -lfl ./a.out
Let’s see Lex program to print the total characters, white spaces, tabs in the given input file.
Below is the implementation:
- Lex program to take input from file and remove multiple spaces, lines and tabs
- Lex program to count the number of lines, spaces and tabs
- Bootstrap (Part-5) | DropDowns and Responsive Tabs
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- Lex program to count the frequency of the given word in a file
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- Lex program to check whether input number is odd or even
- Lex program to check whether the input is digit or not
- Program to find out the data type of user input
- Program to print Hut
- Program to print the Cot Bed Pattern
- Program to print Swastika Pattern
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