I am working on a program that deletes same lines in a text file. I already wrote it, but it still doesn't work.
Code:
#include <stdio.h>
main(){
FILE *f1,*f2;
char oneword[100],filename[25];
int c;
long int i,j;
char *norstring[500000]; /* I count from 1 */
[Code] ....
I got an assignment at school asking for a program that can implement functions that store, get and deletes text/binary data to a given memory area. We are supposed to make kind of like a tiny-mini OS..any links to some tutorials or explanations hon ow to understand this and be able to make a program like this on my own?
View 9 Replies View RelatedI have a .txt file that contains, together with a few characters, columns of values that I want to save in different files like is written in the program (file 1, file2, file3 - a with x, b with y, c with z). The pattern of the source text file is like this:
known_vector frame1 151 65 0 frame2 151.000763 64.538582 0.563737
known_vector frame1 152 65 0 frame2 152.000702 64.542488 0.560822
known_vector frame1 153 65 0 frame2 153.000671 64.546150 0.558089
Until now I could manage to split the files, but the output gives me only zeros. First the program count the number of lines of the read text file, then it should display the desired columns of double values in three other .txt files.I've got for the three .txt files columns like this:
0.000000 0.000000 0.000000 0.000000 0.000000 0.000000
0.000000 0.000000 0.000000 0.000000 0.000000 0.000000
0.000000 0.000000 0.000000 0.000000 0.000000 0.000000
C program to count the number of lines in a text file and reverse the contents in the file to write in an output file.
ex :
input
one
two
three
output:
three
two
one
I must create a program (a simple main.cpp in console interface) which deletes two spaces for every newline in a file. If a line has no space, it goes straight to the next line to the end of the file. After the program is to resave the file contents into a new file that has the same name as the old, but change the extension to. Modif
The problem is I can not do that ... Do you have a sample code that does this?
I am trying to get text file and read only first 100 lines of the text content using c/c++. how can i do it?
is it something like string line;
getline(stream,line);
??
I have a text file called (Test.txt) with the following text:
This is line one
This is line two
This is line three
How do I go about writing a program that will print a line of text (e.g. "This in line two" on the console screen?
All I can seem to do is display the entire text file.
I am trying to read lines from a .txt file like this:
// "file.txt"
This is the first line.
This is the second line.
To do this, I tried using the following code:
int main() {
std::ifstream data;
data.open("file.txt");
[Code] ....
The output I want is:
This is the first line.
This is the second line.
However, all I am getting is:
This is the first line.
I can't quite see why this isn't working. I am decently familiar with file streams in C++, so I thought I would know what I was doing, but apparently not.
I have a text file with repeated lines, and i would like to get rid of the duplicate information, an algorithm to achieve this?
Example of my text file (the actual file may be huge, up to 500MB):
+Hello
+Bye
*The sun
-The moon
+Bye
/One coin
+Bye
+Bye
+Hello
*The sun
And i would expect to get something like this:
+Hello
+Bye
*The sun
-The moon
/One coin
I know how to open and read a file with fstream and getline(), but i don't know how to make the comparison.
lets say this is our textfile
-----------------------------------
45(here is space)string and other shit is here
454(here is space)string and other shit is here
4121(here is space)string and other shit is here
77(here is space)string and other shit is here
45545(here is space)string and other shit is here
1122(here is space)string and other shit is here
-----------------------------------
how do i get exactly that number in every line start? and compare but i jus tneed to get them to variable so ?
how to read random lines from a text file using "C", without repeating same lines.
View 10 Replies View Relatedprivate void open(object sender, EventArgs e) {
OpenFileDialog openDialog = new OpenFileDialog();
if (openDialog.ShowDialog() == DialogResult.OK) {
string[] lines = File.ReadAllLines(openDialog.FileName);
int k = 0;
while (k < lines.Length)
[Code] ....
So in this code, the user basically opens a text file from the dialog. Then the file gets read on all the lines and gets stored in an array. Now the reason I did this is because there are more fields of text boxes I have to fill in after I fill in the table (6x3). I'm getting an out of bounds error however.
19
19
19
0
95
0
0
0
0
5
0
0
5
1
0
0
51
1
110
Warrior
This is a sample text file that is being used. As you can see all the lines from start up until (excluding "110") will be used in the table. Now I want to read the last lines in this text file and put it in another text box. How do I do that?
I made a program which read a text file and copies text in an another text file if line doesn't contain a specific string(code is below), how can I make it after it finds out a line which contains this string to skip n lines ? I tried to use a for loop but without any luck..
Here is what I did until now :
rfile.open("test.txt");
wfile.open("out.txt");
while(std::getline(rfile,line)){
n=line.find(name);
if(n == std::string::npos){
wfile<<line<<std::endl;
}
//Here is the "problem"
I'm creating a program to read information about class schedules at my school, reformat the information, and allow the user to search for specific semesters. There are eight fields of information. I'm reading the info from a text file using eight parallel arrays, but I'm having trouble declaring the arrays. I can run this code in one compiler (Dev-C++) with no problems, but I get errors when trying to compile it using Visual Studio stating that arrays must be declared with a constant value. I have a loop to run through the text file, with a counter to increment with each subsequent line, then I create a constant int equal to the counter, and declare the arrays of size equal to the constant int. Here's the section of code in question:
// Counting the number of lines in the text file
inFileForLines.open("CIS225HW1DA.txt");
string countLine;
int numberOfLines = 0;
//Discarding the first line of the text file containing only column headings
getline(inFileForLines, countLine);
[Code] .....
I am trying to print a specific line from a textfile
e.g
I have a text file called info.txt and inside it contains the id,item name, price, quantity
Code:
1,shirt,100,10
2,pants,50,9
3,pen,20,8
I know how to find a specific word at the line in the file but how do I find and print out the specific line e.g(print out just the entire contents of line 2)?
Code:
string temDescription;
ofstream fout;
int curLine = 0;
[Code].....
I want to make a program that opens a text file and checks the usernames listed in the text files to see if the names are registered on a site such as twitter. How easy would this be to make, what things would I need to know?
View 4 Replies View RelatedSo I'm working on program I had in Windows Form Application.
I have a combobox that lists the years 1981-2013. Beside it, a simple Enter button.
I wanted to be able to assign individual lines of text to each year that would be displayed in the message box.
Like if the user selects 1981, clicks Enter and the message box displayed "In the year of 1981.." but if they select 1982, the message box displayed "In the year of 1982.." I have everything else I want working, except that I can't figure out how to assign different lines of text to different years.
This code works, but not fully This code reads com ports, when a string is available, I check to see if it contains some keywords defined in array If it does, i print out the string itself.
The problem i am having is that it seems to stop processing the data at some point but I do know that there are more strings to be read. So, it does keep reading more lines of data
using System;
using System.Text;
using System.Collections.Generic;
[Code]......
I am trying to make a messageBoxButtons dialog with the 'yes, no' buttons. Im having trouble because of the multiple lines and parameters already in the message, this means that when i declare the messageBoxButtons.YesNo and the title - it throws an error because of the multiple lines etc...
How can I get the yes/no message box to work in this instance?
class Output {
string text; {
DialogResult dialogResult = MessageBox.Show("Please make sure the following information is correct before submitting."
+ " Date: " + Date
+ " Hours worked: " + Hours
+ " Hourly rate: $" + Rate
[Code] ....
I am trying to get my program to search for the account ID in the structure and deletes the record as the account ID is found. The problem is that my codes are not working. (since my whole program is too long, I only show a part of it.) Here are my codes:
Code:
#include <stdio.h>
#include <string.h>
struct Account
{
char* Account_ID;
char* AccountOwner_FirstName;
char* AccountOwner_LastName;
}
[code]....
I have been tasked to interface an old piece of equipment at our facility with a laptop in the same room. The laptop is to read the data input through USB and print to a text file. The equipment uses an RS485 serial output. Is this possible to do in C++?
View 5 Replies View RelatedHow to add text files to use in Xcode programming? I have tried to add them with no success. Is there some code I need to add to make the program read the text file?
View 7 Replies View RelatedI am trying to understand how to append some code to a text file. I have run a simple program like the one below. Basically it opens a text file and then it appends the string aaaaaaaaaa
Code:
#include <stdio.h>
#include <io.h>
#include <stdlib.h>
char s[10] = {"
aaaaaaaaaa"};
[Code] .....
Now that I know how to append the above string, I now would like to extend the experiment to append the following snipped of code in my test.txt file:
Code:
<Placemark>
<name>12:01</name>
<Snippet maxLines="0"></Snippet>
<description> </description>
[Code] ....
How do I go about doing this? The problem I am experiencing is that all the / and " characters in the above snippet of code seems to get the C compiler confused. One thought I had was to create a string like the one below but as I mentioned, the number 0 in the code is surrpunded by " " and this confuses the compiler:
Code:
char s[250] = {"<Placemark>
<name>12:01</name>
<Snippet maxLines="0"></Snippet>
[Code] ....
I created a program in C that opens a text file and read integers.
File `numbers.txt`:
> 5 6 4 6 3 4 1
I use some restrictions with the `fscanf()` library and read the file, just for the record, and if everything goes fine I proceed to the next part of code (I know I could use `fget()`, but this is how I done it).The next part of the code will be this:
- First, I want the program to read the numbers from right to left. I look for an answer in google and many C courses, but I couldn't find a working solution. I think that the code is pretty simple, though I can't find it. **To be clear for the next part, we read the numbers from right to left.**
- Then, this is the hard part for me: I want the program to read the numbers and if the next number is higher (**not equal**) than the last one to keep it in memory, **only if it's higher than the last.** This can be continue for **1 through 500.000 numbers.**
- Then when the procedure done, I want to print how many numbers are greater than the last one and save it to a file, which I can do it if I solve the last problem.
We have the below numbers:
5 6 4 6 3 4 1
The program starts to read the numbers from right to left.Now which and how many numbers are greater than the last one?
The answer is 3 numbers:
5 6 4 [6] 3 [4] [1]
Then the program will print the number 3 with a message and save it to a file called `xxx.txt`. I am posting the `main` code, not all the code just what you need to solve the problem:
Code:
#include <errno.h> // macros for reporting and retrieving error conditions
#include <stdio.h> // load main C library function
#include <stdlib.h> // need that for many reasons ;)
#include <string.h> // loads various of characters functions
}
[code]....
In conclusion, I want 2 pieces of code:
- One to read the numbers from right to left
- One to make the above procedure
I'm a bit unsure on where to put cascading deletes in my models and how far they extend.
I've got four tables
TrafficLog
has a One to One with
TransactionHistory
Has a zero to Many with
OutgoingService
and
Exceptions
Now i'd like to put cascading deletes on, so that if i delete a record from TrafficLog it deletes from the other three.
So do i set up my model with cascade delete just on the primary like this
modelBuilder.Entity<TCC_ArchivedApplicationTrafficLog>()
.HasRequired(TCC_ArchivedTransactionHistory)
.WithRequiredDependent()
.WillCascadeOnDelete(true);
or do i need to enable it on the other three tables too?
I need to decrypt my text file and make it able to read in my program..
What I have programmed so far is to read the encrypted file, create a new file, decrypt it and read the newly created file..
I need to decrypt the encrypted file without having to create a new file that reads the decrypted text..
Well, Let me show you my code:
P.S Most of the include is not needed and I already know that Visual studio 2010 Windows Form Application CLR
Code:
#pragma once
#include "stdafx.h"
#include <iostream>
#include <fstream>
#include <conio.h>
[Code].....
You have my decryption code and the code I want to use..
I have uploaded the code for you to use on your computer because it is fairly hard for me to explain..
I want to be able to read the encrypted file in my program, without having to writing a new file to decrypt it..
Decrypted & Encrypted .txt file Included (And images)
--> Program .rar pack link <--
Build it with Visual Studio 2010