Count Characters, Count Words, Search for specific String.

This is a discussion on Count Characters, Count Words, Search for specific String. within the C Programming forums, part of the General Programming Boards category; Hi everybody, I'm new to C and I'm trying to find out every function with Help, but this time it ...

  1. #1
    Registered User client's Avatar
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    May 2002
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    Cool Count Characters, Count Words, Search for specific String.

    Hi everybody,
    I'm new to C and I'm trying to find out every function with Help, but this time it was of no use. So I just need a tip or something like this for this three questions !!!

    I'm using in my programm the <string.h>, <stdio.h> header files and if possible I want to stay with those header files.

    The %s input is taken with gets for two strings.

    and now to my problems:

    1. How can I count characters (also considering lowercase and uppercase [islower ?? isupper ??])
    i.g.: Input String 1: Ive got a fast car
    Input String 2: Its a Ferrari

    Character to search: a

    First String: 3 times found
    Second String: 2 times found

    2. How can I count the words in the String ?
    i.g.: Same strings as above
    1st String: 5 Words
    2nd String: 3 Words

    3. How can I search for a specific word in a String ? (there is a command for searching only one specific char in the begining and in the end of the string (as seen on the Help Examples) , but I couldn't find one which is for searching Words !!)
    i.g.: Same strings as above

    Phrase to Search: Ferrari

    First String: Not Found
    Second String: Found

    4. As some DOS users may remember there was a 'pause' command which could be used in BAT files is there a opposite command for C/C++ ???

    with my best regards
    Client

  2. #2
    Comment your source code! Lynux-Penguin's Avatar
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    533
    Code:
    for(j = 0; j< 255; j++)
    {
    	if(!string[j])
    	{
    		count = j;
    		j = 254;
    	}
    }
    something like this...
    I am kinda tired right now so don't expect much, anyway this is for the count portion.
    Asking the right question is sometimes more important than knowing the answer.
    Please read the FAQ
    C Reference Card (A MUST!)
    Pointers and Memory
    The Essentials
    CString lib

  3. #3
    End Of Line Hammer's Avatar
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    Re: Count Characters, Count Words, Search for specific String.

    Question 1
    Code:
    #include <stdio.h>
    #include <string.h>
    
    int main(void)
    {
    	char *lines[] = {"I have a fast car", "Its a Ferrari"};
    	char LookFor = 'a';
    	char *ptr;
    	int count, i;
    	
    	for (i = 0; i < 2; i++)
    	{
    		count = 0;
    		ptr = lines[i];
    		while ((ptr = strchr(ptr, LookFor)) != NULL)
    		{
    			count++; ptr++;
    		}
    		printf("letter %c found %d times in line %d\n", LookFor, count, i+1);
    	}
    	
    	return (0);
    }
    Question 2
    Look through each string, counting the number of characters that are deemed to split words. This is not always just the spaces, it could be commas, full stops, exclamation marks etc etc. The choice is yours!

    Question 3
    Use the function strstr(); Look that one up in the book, it's easy to use.

    Question 4
    Read this faq page
    When all else fails, read the instructions.
    If you're posting code, use code tags: [code] /* insert code here */ [/code]

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