Exmples of lex programs

Tuesday, 1 April 2014

11. Lex program to remove all newline characters

It removes all new line characters and prints everything in a line.

For example

I am
Going

appears

I am Going

Here is the code:

%{
%}
%%
\n    printf("");
%%
main()
{
    extern FILE *yyin;
    yyin=fopen("new","r");
    yylex();
}
Posted by amrutansu at 09:38
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  • ▼  2014 (15)
    • ▼  April (15)
      • 15. Lex program to count number of spaces in the file
      • 14. Lex program to remove every word that start wi...
      • 13.Lex program to print every words in parenthesis
      • 12. Lex program to put every line in parenthesis
      • 11. Lex program to remove all newline characters
      • 10.Lex program to print every lines in a file with...
      • 9. Lex program to view file contents with double l...
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      • 7. Lex program to count the number of vowels in a ...
      • 6.Lex program to print words in a file that starts...
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      • 3. Lex program to search a word in a file
      • 2.Lex program to check perfect numbers
      • 1.To check whether the given number in the file is...
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