How to write a Lex Program to count the number of lines words spaces and characters by Mahesh Huddar

How to write a Lex Program to count the number of lines, words, spaces, and characters by Mahesh Huddar

The following concepts are discussed:
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lex program in system software,
lex program in compiler design,
lex program in compiler construction,
lex program to count the number of words,
lex program to count the number of lines,
lex program to count spaces,
lex program to count characters,
lex program to count the number of words lines spaces and characters,
how to write lex and yacc programs

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[ankanpal]

very simple and precise explanation.. thank you sir

[prakhar]

can you please tell why did you write cc+=yyleng in every printf statement. I couldn't get the reason for this. and also why did you not use this yyleng in previous questions where we have to count vowlels and consonants.

[csv.]

Not obtained . /a. out So he says to me is not recognized as an internal or external command,
operable program or batch file.