C :: Reading Characters From A File

Mar 19, 2013

if i start reading individual characters from a text file having the following content: "music, Indian classical dance, and other aspects of Indian culture.It is also a movement with chapters in over 200 towns and" what are the characters that will be read after the word 'culture.' ?

will it be '
' , '
' , 'I' and so on

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C++ :: Reading Odd Characters From A File

May 20, 2014

I have some files for input that look like this:

Carlitos, Gauleses , Terra das Vagabundas, SN., 350, 12, 5.83
EMPIRE STATE, Gauleses , EMPIRE STATE, FÊNIX™, 298, 12, 7.00
bigorna, Gauleses , Aldeia d bigorna, DDT@D, 318, 12, 10.44
akemif, Romanos , Aldeia Akemif, DDT@D, 19, 12, 13.04
Black Mason, Gauleses , Kindorim, DDT@D, 424, 12, 15.03

[Code] ....

I get this data from a site and I copy paste them to create a .txt file for input (I do this my self, no program involved).
When the program runs it ends up like this on netbeans:

0 [main] program 2336 open_stackdumpfile: Dumping stack trace to program.exe.stackdump

When I type the input file my self it works fine. When I copy the data from the site that the problem occurs, it looks like those strange characters are causing the problem (notice the ????? are some drawings on text).

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C/C++ :: Reading Characters From File

Dec 6, 2013

I searched for a code to read characters from file and i found this one

#include <stdio.h>
#include <stdlib.h>  
int main() {
   char ch, file_name[25];
   FILE *fp;  
   printf("Enter the name of file you wish to see

[Code] ....

but when i run it, and give the path of file in the cmd, this appears

stack around the variable 'file_name' was corrupted

given that i put the path in cmd as shown

D:CSEProject est1.txt

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C :: File I/O Reading In Characters And Numbers

Dec 1, 2013

I think it comes from having to align the data in the output file. How to start this is to use a function to read in all the characters using a while loop. Then read in all the digits in a separate function. When it comes to outputting the data in the correct format I'm lost, so for now if I could figure out the functions that would be awesome. A final note we have not gotten to using strings so the I'm trying to use getc, fgetc, and ungetc.

Write a program to compute average grades for a course. The course records are in a single file and are organized according to the following format: Each line contains a students first name, then one space, then the students last name, then one space, then some number of quiz scores that, if they exist, are separated by one space. Each student will have zero to ten scores, and each score is an integer not greater than 100. Your program will read data from this file and write its output to a second file. The data in the output file will be the same as the data in the input file except that there will be one additional number at the end of each line: the average of the students ten quiz scores.

The output file must be formatted such that first and last names appear together in a left justified column that is 20 characters wide. Each quiz score should be listed in a right justified column that is 4 characters wide, and the average should appear in its own right justified column that is 10 characters wide.

Note that if a student has fewer than 10 scores, the average is still the sum of the quiz scores divided by 10; these students are assumed to have missed one or more of the quizzes. The output file should contain a line (or lines) at the beginning of the file providing appropriate column headings. Use formatting statements to make the layout clean and easy to read.

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C++ :: Reading From A File With Characters And Numbers

Apr 17, 2014

I need to open a file that has multiple lines that look something like this, " black box 100.01 33.5 78.93". What this shows is the coordinates of the black box. Lines will have different objects with different coordinates. I need to create a loop that will read this file and tell me when a black box is found by displaying a message. I don't need to know how to create this file. I don't need to display the entire file but rather have it search for black boxes.

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C/C++ :: Reading Unicode Characters From File?

Feb 28, 2012

I need to read Unicode characters from a file. The only thing I need to do from them is to extract their Unicode number.

For example if file has u I need to extract its corresponding Unicode number.

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C/C++ :: Reading A File And Replacing Characters With Corresponding String

Mar 27, 2014

So I am supposed to create a program that reads a file and replaces "<" with "<" , ">" with ">" , "&" with "&" , and " " " with """.........

The program takes a file "test.txt" and reads it, replaces the characters above with the corresponding strings, and then writes the output to "scrubbed.txt".

A sample input would be: <something>

and the output would be: <something>

for some reason I am getting garbage In my new file. What am I doing wrong with the code?

#include<stdlib.h>
#include<stdio.h>
#include<ctype.h>
#include<string.h>
int main(int argc, char **argv){
char *inFileName = NULL;
char *outFileName = NULL;
FILE *instream = fopen("test.txt", "r");
FILE *outstream = fopen("scrubbed.txt", "w");

[Code] ....

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C :: Create Word Search By Reading In Characters From A File Into Array

Sep 30, 2013

So the plan is to create a word search by reading in characters from a file into an array. This is my code so far, nowhere near finished but have encountered a problem already:

Code:

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define ROWS 20
#define COLUMNS 20
int main()
{

[Code]...

My question is to do with the section highlighted in red... I can't really see why it is not printing out my array (wordsearch), it's probably very basic but I have no C experience so am not too confident in what I'm doing.

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C++ :: Reading Characters From String

Apr 13, 2013

i have a string which is n characters long. i need to read say 20 characters at a time, wait for the user to type OK and then send another 20 characters. wait for the user to type OK and send 20 characters again until we get to the nth character.

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C++ :: Error Reading Characters Of String

Feb 2, 2013

#include<fstream>
#include<Windows.h>
#include<cstdlib>
#include<iostream>
#include<string>
#include<iomanip>
#include<sstream>

using namespace std;

void add_matrix(int row1,int row2,int col1,int col2,double m1[30][30],double m2[30][30],double m3[30][30]);

[Code] .....

This program is suppose to read a matrix file , and the first getline is suppose to get the file header but it appears that 'line' doesn't take in any value other than empty thus causing all the problem , I tried to put cin.getline() in front of it to take away the /n created by the cin before it , but it doesn't work . When I debug the program when the arrow points to the string line , this error appears

line<Error reading characters of string.>std::basic_string<char,std::char_traits<char>,std::allocator<char> >

I tried to initialize string line=NULL too , doesn't work either.

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C++ :: Reading String 2 Characters At A Time?

May 10, 2013

may i know how do i read a string 2 characters at a time?

lets say i have a for loop like this

for(int i=0;i<stringLen;i++)
{
for(int j=0;j<???;j++)
{
//insert code
}
}

what i want to do is i want to read a string 2 characters at a time and store them into a vector.

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C/C++ :: Reading Lines Of Numbers / Characters While Checking For EOF?

Aug 30, 2014

Simple program to convert files to XML files. However I am trying to narrow down why my code is not working. I am reading a line that looks like "2001 Joe Dirt Los Angeles", then the next few lines are followed by text and the the fifth line looks like "---End of Description---".

So here is the file

2001 Joe Dirt Los Angeles
Home is where you make it
Best movie ever(but not really)
But seriously
---End of Description---

Here is example code to test the process

string line;
while(dataFile >> line) {
getline(dataFile, line);
cout << line << endl;
}

My returning output is

[space]Joe Dirt Los Angeles
[space]Home is where you make it
[space]Best movie ever(but not really)
[space]But seriously

My test code is skipping the date on the first line but replacing it with a space. Then it is skipping my fifth line which reads "---End of Description---". Now if I take the code out of the while loop and hard code in five lines of output (x5 getline(dataFile,line); cout << line << endl;) then my code works as expected. I get all of the information. Date and the fifth line.

It looks like when I am testing for the EOF it is also taking in the numeric value at the beginning of the first line. However, that does not explain why it is dropping that fifth line.

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C :: Reading And Printing In A Specific Format Strings Of Characters And Integers

Feb 23, 2015

I have been skimming and searching but dont know how to word the search just right to find what I need to know. I have written simple stuff with the support of tutorials like weight conversion or loops counting up to a set number. Nothing amazing. The other day I found out how to input and print a string rather than a single text character which i though was bad ass. I even got it to read multiple strings on a single line and found a way to read multiple lines. I can even format it to read both integers and characters on the same line as long as I know the predefined format.

On to my question... How do I read multiple lines with both carecters and integers. for instance:

nissan 1996
toyota 1998
or more comples like
nissan gtr 1996
toyota markii 1998

I want to use
int year;
char make[10]; maybe need to use char make[10][10]; for an array i would guess.
char model[10]; optional for the extra data

but reproduce what i read in a different order. say...
1996 nissan
1998 toyota
vice the original format.

this is what I have tried.

Code: scanf("%s %s", &make,&year);

//The way I seen to read multiple lines was on here

scanf("%[^/t]", %make);

But this wont let me separate the two into two differnet definded data types. Let alone use printf to display them in reverse order.

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C :: How To Read Characters From File

Dec 29, 2014

I'm new with C language. I got task to do . Actually there are 2 points. Both should be done with reading text from file. write down all letters from text in reverse alphabetic order (each letter 1 time).write down all words in random order.

I'm stuck with first point. Below code gives me entire text, but i need unique characters only. Text file contains few sentences.

Code:
#include<stdio.h>
void main( ) {
FILE *in;
int ch;
if ( (in = fopen("test.txt", "r") ) != NULL ) {

[Code] ....

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C/C++ :: Read UTF-8 Characters From Xml File?

Nov 27, 2012

how to read UTF-8 characters from a xml file in c++, not using XMLCh type?

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C++ :: Counting The Number Of Characters In TXT File

Feb 22, 2015

I have recently hit a stump with C++ and have been getting pretty frustrated with this assignment. I just can't seem to find out how to start the assignment. Basically for the first part of the assignment, I need to find the number of characters in this .txt file my teacher provided for me. The only exception is that I can only count the actual letters themselves, not spaces or punctuation. How would I go about doing this? I have read about functions like isalpha but can't figure out on how to fit them into code to do the first part of this assignment.

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C/C++ :: How To Read And Write Certain Characters From A File

Oct 12, 2014

How to read some characters from file, I know we can move a pointer to some position using seekg() & seekp() function, get current position of the pointer through tellg() & tellp() functions. By moving the pointer to appropriate position using seekg(), we can read the whole line using getline() function. But is there any function which read certain characters from the current position of the pointer and write certain characters from current position of the pointer.

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C++ ::  How To Read And Write Certain Characters From A File

Oct 12, 2014

How to read some characters from file, I know we can move a pointer to some position using seekg() & seekp() function, get current position of the pointer through tellg() & tellp() functions. By moving the pointer to appropriate position using seekg(), we can read the whole line using getline() function. But is there any function which read certain characters from the current position of the pointer and write certain characters from current position of the pointer.

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C/C++ :: Removing Characters From CSV File That Should Contain Only Numbers

Apr 3, 2014

I currently have a .csv file that should only contain numerical values however there are errors in some columns that mean there is text included. I am wondering what the best way of going about removing these characters would be.

I am looking at using : str.erase(std::remove(str.begin(), str.end(), 'xxxxxxx'), str.end());

For this I will need to read my data into a string and then remove the alphabet from that string. I am currently doing this like so (I use the '?' as a delimiter because I know there are none in my file).

#include <iostream>
#include <fstream>
#include <algorithm>
using namespace std;
string Weather_test;
char chars[] =

[Code] ....

The problem with this is I don't know what to do around the chars[!eof] part.

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C/C++ :: Counting Characters In A String / File

Jan 19, 2015

I have the following program

#include "stdafx.h"
#include "string.h"
#include "ctype.h"
/*selection sort*/
void swap(int A[], int j, int k) {
int p = A[k];

[Code] ....

Theoretically it should cound the number of apperances of each character in a string, but:

1) It is counting characters from letter "j" upwards thus all asci characters below "j" are not counted, why is that?

2) I want also to make this code calculate the number of apperances of each character in a txt file. How to do that, i know i have to open a file in read mode, that's all (I am new to c programming)?

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C/C++ :: Removal Of Non-alphanumeric Characters From A File?

May 9, 2013

The output should also give a file which doesnt consits alphanumeric. I tried this

while( ( ch = fgetc(fp) ) != EOF ){
if(isalpha(ch)||ch==' ')

Is this correct.than how to complete it.

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C :: How To Print Characters But No String Just Array Of Characters

Mar 20, 2014

so my question is i want to print characters,no string just an array of characters,i do this but it s not working,maybe i have to put the '' at the end?

Code:

int main() {
int i;
char ch[5];
for(i = 0; i < 5; i++) {
scanf("%c",&ch[i]);

[Code]...

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C/C++ :: Find The Common Characters Between Two String Characters

Jul 6, 2014

Im supposed to find the common characters between two string characters, assuming that the user wont input duplicate letters like ddog. When I run my code I get an output of a question mark upside down. Here is my code with comments on what each part is supposed to do

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main(){
char str1[20], str2[20],remp = '';
int size1,i,j,temp;
printf ("Input the first string");

[Code]...

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C :: How To Count Total Characters From A Text File

Mar 21, 2013

I'm supposed to write a program to read a text file and display the following:

a) alphabetic letters //finished with
b) digits // finished with
c) other characters that are not alphabetic letters and not digits //finished with
d) total characters read

The bold part above confused me, by total characters, does it mean the alphabetic letters + other characters? how would I put that in my code?

Code:
#include <stdio.h>
int main (void)
{
int curCh;
int countCh = 0;

[Code]....

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C :: Counting Number Of Characters Copied To File

Jul 21, 2014

I'm trying to copy a file into another file and copy the number of characters copied but my while loop doesn't even enter into a loop indicating the file is already at the EOF file character. I've confirmed this by placing the printf() statement inside the while loop, which doesn't print anything and by keeping it out of the while loop and changing the chars_copied to something like 9, it prints 9 for number of chars_copied. I don't understand why the file is already at the EOF character, I've tried this with a few more files, it's the same result.

Code:
#include <stdio.h>
int main(void){
FILE *input_file, *output_file;
int c, chars_copied=0;

if((input_file=fopen("C:workmarks.txt", "r"))==NULL)
perror("input file open failed");

[Code] ....

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C++ :: Parse A String Containing Number And Characters From File

Feb 20, 2015

I have a text file which contains many sentences. I am trying to extract only the numerical values from the string that conatins characters,numbers and white spaces from the file. I want to seperate the characters and numbers into different parts.

for example: the file contains sentances as given below.

I have to go to school for 10min.
You will come here in 15min.
He stayed here for 20min.

from the above sentances, I want to seperate " I have to go to school for " and "10" and put them into two different variables and also 10 should be in integer format.

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