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Full Discussion: How to extract a sentences of word from a text file.
Top Forums Programming How to extract a sentences of word from a text file. Post 302309661 by xiaojesus on Wednesday 22nd of April 2009 01:28:50 PM
Old 04-22-2009
How to extract a sentences of word from a text file.
Hi ,

i have a text file that contain a story

How do i extract the out all the sentences that contain the word Mon. in C++

I only want to show those sentences that contain the word mon

eg.
Monkey on a tree.
Rabbit jumping around the tree.
I am very rich, I have lots of money.
Today is monday.
tomorrow is tuesday.

but only those words that contain the word mon is show.
Monkey on a tree
<Press enter to continue or q to quit>
I have lots of money
<Press enter to continue or q to quit>
Today is monday
<Press enter to continue or q to quit>

any advices on that


below is my codes, but it come out as a chunk of word that i search for.

Code:
#include <iostream>
#include <fstream>

using namespace std;


int main()

{
ifstream fin;
char filename[50];
string searchword;
string s;
int count;

cout << "Enter filename (including .txt): ";
cin >> filename;

fin.open(filename);

// stores Search Word
string askforsearchword();
searchword = askforsearchword();

// ends program if no txt file is found
if (!fin.good())
{
cout << "File not found" << endl;
system("pause");
return 1;
}

while(!fin.eof())
{

// use getline to read entire line 

getline(fin, s);


int i, position;

//converts text to all lowercase

for (i=0; i<s.length();i++)
s[i]=tolower(s[i]);
for (i=0; i<searchword.length();i++)
searchword[i]=tolower(searchword[i]); 


position = s.find(searchword);


if (position != string :: npos)

{

cout << s << endl;

}


} 


fin.close();


cout << "End Of Search." << endl;

system("pause");
return 0;

}

//function to ask for search word.
string askforsearchword()
{
string search;
cout<< "Type in your Search Word: " << endl;
cin >> search;
return search;
}

 

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LEARN ABOUT LINUX

dadadodo

dadadodo(1)						      General Commands Manual						       dadadodo(1)

NAME

       dadadodo - exterminate all rational thought

SYNOPSIS

       dadadodo [ options ] [ input-files ]

DESCRIPTION

       dadadodo is a program that analyses texts for Markov chains of word probabilities and then generates random sentences based on those proba-
       bilities.  Sometimes these sentences are nonsense, but sometimes they cut right through to the heart of the matter and reveal hidden  mean-
       ings.

OPTIONS

       dadadodo accepts the following options:

       -c, -count n
	      Generate n sentences.

       -h, -help
	      Show summary of options and exit.

       -html  Output HTML instead of plain text.

       -l, -load file
	      Load compiled data from file ('-' for standard input).

       -o, -output file
	      Save compiled data in file ('-' for standard output).

       -p, -pause s
	      Delay s seconds between paragraphs.

       -w, -columns columns
	      Format  output  for  a  device columns character cells in width.	If not specified, the value of the environment variable COLUMNS is
	      used to determine the width.  If that variable is not defined, a width of 72 is assumed.

NOTES

       Non-option arguments are input files.  These should be text files, but may be mail folders or HTML.  MIME messages  are	handled  sensibly.
       When  no  output  file is specified, sentences will be generated from the input data directly.  However, loading a saved file is far faster
       than re-parsing the text files each time.

ENVIRONMENT

       COLUMNS
	      Determines the width (in character cells) of the output if the -w, -columns option is not used.  If  not	set,  a  width	of  72	is
	      assumed.

SEE ALSO

       dadadodo's upstream website is http://www.jwz.org/dadadodo/.

AUTHOR

       dadadodo was written by Jamie Zawinski.

       This manual page was written by Sudhakar Chandrasekharan <thaths@netscape.com>, based on the program's usage message.

																       dadadodo(1)
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