C++ :: How To Read In A TXT File And Change Uppercase To Lowercase
Nov 19, 2014
I have to read multiple text files and change all uppercase to lowercase. i also put in a little extra with finding values and spaces and punctuation. But nothing comes out so i don't know if the file is even being read or maybe I'm reading it but not accessing the right way.
string stdins;
char data;
//string line;
vector<char> a;
ifstream read;
read.open("ds.txt");
while( getline(cin,stdins) ) {
[Code] ....
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Oct 1, 2014
how to convert a string containing Uppercase/Lowercase/Whitespace/Special Characters to only Lowercase and removing the whitespace and characters.
For example, a message like:
"The: sky is (blue), the wAter is also blue'."
Change that message to:
"theskyisbluethewaterisalsoblue"
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Aug 4, 2013
okay so this program is basically getting the files from user input then reading the original file and convert the string into a uppercase/lowercase form and save it into another file. Is there a way to save the string from the first file to a variable then convertin the string in the variable and copy that onto the new file? So far i have
Code:
#include <stdio.h>
#include <string.h>
int main() {
[Code].....
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Nov 11, 2014
char ch;
int uppercase=0;
int lowercase=0;
file.open(pav.c_str());
while(!file.eof()) {
[Code] .....
So I need to count uppercase and lowercase letters from file, and I always get 0. What is the problem with this part of code?
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Oct 15, 2014
I am having trouble in creating a program (named "up.c") that should do the following:
- if you run the command ("up") with no arguments, it should read input from stdin and display it on stdout, converting lowercase letters to uppercase.
- if you run the command with one or more files (as arguments to the "up" command), your program should read input from each file and display it on stdout, again converting lowercase letters to uppercase.
I'm trying to create a single program that can do both of these, and handle errors gracefully. I've found that some codes work to convert the letters, but they seem overly simple and aren't giving me what I'm looking for in my program.
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Jul 28, 2014
I have this statement - while(strcmp(x[i],"Stop")!=0); - is there anyway to compare x[i] to all the possible forms of "stop" (Stop, STOP, sTop, etc)?
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Dec 4, 2014
I have a function that converts an integer to Roman numeral and i've been searching everywhere trying to find out how to convert an uppercase string to lower case but I haven't found a good answer anywhere.
#include "stdafx.h"
#include <iostream>
#include <string>
[Code].....
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May 15, 2014
Have a program prompt the user for a filename to open. Change every alphabetic character in the file to a capital letter. Numbers and special characters should not be changed. Print the output to the screen.
My problem currently is I can't get it to open a file in the same directory as the programs .exe file. I get else statements error message each time.
Code:
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h> /*for toupper function*/
#define MAXSIZE 1024
[Code].....
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Sep 22, 2014
#include <stdio.h>
#include <string.h>
int main() {
char string[100];
int c= 0, count[26] = {0};
printf("Enter a string: ", string);
[Code]...
This is the output I receive:
I need counting the Uppercase Letters.
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Sep 3, 2013
so the Standard Template Library isn't portableANSI? I'm studing C++ using the Teach Your Self C++ in 1 Hour a Day. but seems these code isn't correct for GNU compiler:
Code:
#include <string>
#include <iostream>
#include <algorithm>
int main () {
using namespace std;
cout << "Please enter a string for case-convertion:" << endl;
[Code] ....
i get several errors:
"C:UsersJoaquimDocumentsCodeBlocks estmain.cpp|16|error: no matching function for call to 'transform(std::basic_string<char>::iterator, std::basic_string<char>::iterator, std::basic_string<char>::iterator, <unresolved overloaded function type>)'|"
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Feb 28, 2014
The problem I am facing is that I have to output the C++ input file and display every line of code in the output, except in the output I have to convert every if, else, and while as IF, ELSE, WHILE. I tackled the first part and now its onto the 'easier' part even t
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Apr 26, 2014
Write A Program which converts a string of uppercase letters into its corresponding lowercase.Using pointers to access the members of the Array.
Write A program that reads eight float numbers into an array and then print out the second,fourth,sixth and eight members of the array,
And Sum of the first,third,fifth,and seventh. Using pointers to access the members of the array.
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Jan 16, 2014
It should count from the text entered how many alphabets in uppercase and lowercase, digits, blank spaces and 'other symbols'.
This is the program below.
#include<iostream.h>
#include<conio.h>
#include<stdio.h>
[Code].....
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Dec 3, 2014
write a program that prompts the user to input a string and outputs the string in uppercase letters. (Use a character array to store the string.) Does this follow the criteria? This program is very similar to one I found on these forums but I have one problem, it outputs everything backwards! EX: dogs will output to SGOD. What I need to do to make it output correctly, I think it may have to do with getline?
#include <iostream>
#include <cctype>
#include <cstring>
using namespace std;
int main() {
char let[100];
cout << "Enter what you would like to be UPPERCASE: ";
[Code] ....
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May 3, 2014
What I am trying to do is read a sequence of words from cin and store the values on a vector. Then process the vector and change each word to uppercase.
I know line 21 is the problem. I think I don't have the right syntax. That syntax works on string. I'm trying to adapt and use it on vector but it doesn't work.
#include <iostream>
#include <string>
#include <vector>
int main()
[Code]....
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Apr 19, 2013
I am new to coding Here is the problem. Have a program prompt the user for a filename to open. Change every alphabetic character in the file to a capital letter. Numbers and special characters should not be changed. Print the output to the screen.
Here is my code so far but i am only returning the last line of text capitalized from the file. I am trying to get the program to display all of the three lines of text from the file capitalized. The program displays the file correctly before i try and convert everything toupper();
Code:
Code: #include <stdio.h>
#include <stdlib.h>
#include <conio.h>
#include <ctype.h>
int main()
{
char line[81], filename[21];
int i;
FILE *inFile;
[Code]...
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Sep 10, 2013
I'm trying to get the hang of the declaration and use of char. I'm trying to write a program that reads sentences from the user and changes them based on their character choices, I keep getting load of compiler errors.......am I off to a good start or am I way off?
#include<iostream>
#include<string>
#include<cstring>
#include<cctype>
using namespace std;
int main() {
char *quit*;
char sentance [100];
[Code] ....
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Feb 20, 2013
My coin/money change code works when there can be an exact change each time, i.e. when the 1 cent option is available. However, when the change options are only $10, $5, $1, 25 cents and 10 cents, it does not give me what I want for instance, I wanted to get change for $237.80, I was expecting to get:
23 10's, one 5, two 1's and 8 dimes. However, the code below is giving me 23 10's, one 5, two 1's and 3 quarters (there is no option left for the 5 remaining cents).how to fix it?
Code:
#include<iostream>
#include<algorithm>
#include<vector>
using namespace std;
void change(double cents, int a[]);
int main() {
double Dollars;
double cents;
[code]...
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Nov 14, 2013
I have a .txt file which contains a large amount of ones and zeros (tile map for a game) and basically I just want to know how to change say just the 12th value in the file from a 1 to 0 .....
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May 15, 2013
I want to read the contents of a file block (512 bytes) by block using low I/O read statements. Each record is 64 bytes long and has a pre-defined structure. The first 4 bytes are an unsigned integer; the next 20 bytes are ascii text, etc.
I have a buffer which I can access with buf[0] to buf[63] to read the first record and then buf[64] to buf[127] for the second, etc. However, I was wondering how to map a record so that I can refer to an integer as an integer and a float as float, etc. I can't create a struct and move the 64 bytes to it, as I will have alllignment/padding problems.
What is the standard way to deal with records in C?
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Sep 26, 2013
I am writing a code that requires the user to input either B or b for bright or D or d for dim. Basically, B is bright and D is dim but I have to code the program such that it allows for both he capital letter and the lowercase letter to be recognized.
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Jun 20, 2013
I have installed VS 2010 and VS 2012. VS 2012 uses SqlServer CE 3.5 and VS 2012 uses SqlServer CE 4.0.The problem is that when a project uses a 3.5 file it tries to open it with 4.0 even if the app.config says to use the 3.5 provider. The version of the assembly is pulled right out of the GAC. I uninstalled 4.0 and the reference auto updated its version to 3.5.1. However after installing 4.0 again it changes to 4.0. The error I am getting is that 4.0 cannot open a 3.5 file....they changed the file format from 3.5 to 4.0 and they are not compatible.
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Mar 23, 2013
For particular assignment, I am asked to evaluate data from an inputfile, let it be named "infile.dat". Next, it is required to output to this same file, but with the name of this file altered to reflect the changes of data. For example, if I want to change the original file name to "changed_infile.dat.altered" by adding the "changed_" prefix and ".altered" suffix, how could this be done?
From my understanding, there are no functions in <fstream> that could change the file name. However, there is a rename function in <stdio>, but it's not exactly what I am looking for because I want to append a prefix and suffix to this existing inputfile name. Although I could apply a brute force method by simply doing rename("infile.dat", "changed_infile.dat.altered"), I want to have my program to work with various input files of different names.
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Apr 12, 2014
I am writing a program when the beginning it you have to pick which step to preform out of a few steps. Once you choose the step. The user is asked to input what is asked and it should preform it. I have completed most of my steps but the one step giving me a hard time is converting a user inputed sentence into all lowercase letters, and then count the words of it. My program starts out like this if you pick this step Code: else
if (choice == 3) {
/* Gather user's input */
printf("
You have chosen to convert a sentence to all lowercase letters and count the words
"
"Enter the sentence: ");
gets ( sentence );
Call the function to convert the whole sentence to lowercase and count the number of words */
lowercase_string ( &sentence);
countSentence ( &sentence);
} /* End if statement */
this is the easy part in which I presume I did correctly, but now this is where I am getting the problems:
/* Prompts user to enter a sentence and convert it to lowercase and count the number of words */
void
countSentence (char *sentence)
void
lowercase_string (char*)
{
[code]....
I want to output the original sentence, then the sentence with all lower case letters, then at last output the number of words in the sentence. I declared all my variables up top, and I am wondering where my mistake is. When trying to compile it, I only get syntax errors which I don't understand.
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Jan 18, 2013
im trying to make a tool that can change the version of the file (.exe)
UpdateResource(hResource, RT_VERSION, MAKEINTRESOURCE(1), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPVOID) lpBytes, dwSize);
i know how to update the rcdata of the resource
my problem is i dont know what to insert to it using (LPVOID) lpBytes is it a .txt ? .rc ? is it a binary ? etc.
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Oct 6, 2014
Any simple program that uses tolower to convert strings into lowercase? Or simply just the general syntax of tolower pls. Can find it in google.
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