Programming :: Open A Text File And Program Stops Working?
Feb 8, 2011
I opened a text file and read some stuff. Then I (think) I closed it. Then I tried to open another one and it stopped working. It seemed to compile fine though. Why would this be?
Code:
#include <iostream>// Libraries included
#include <string>
#include <fstream>
#include <sstream>
#include <list>
[Code]....
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Jan 15, 2010
Ok so Basically i have 2 questions
1. i know how to create a file with c++ using but is there a way to save it to a specific location on your computer with windows and linux
Code:
2. i need to know how to run/execute/open a file in a c++ program im using and its not working
Code:
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Apr 7, 2010
i am trying to write a program which will read input from a text file, check if each line contains any alphabets and then display a message imforming me if there is an alphabet in each line. My text file is formatted in this way...
[Code]....
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Oct 6, 2010
The error is: error while loading shared libraries: libncurses.so.5: cannot open shared object file: Error 24 This occurs after a good time of running, after I added some file stuff to my code. I can't see why this is happening.
Code: Code:
// Get CPU Temperature
char sensorsRaw[128];
system("sensors >& .sensors");
std::ifstream fileIn;
fileIn.open(".sensors");
[Code]...
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May 21, 2011
i am a new programer in c i have write a simple app and i have a problem with combiling my program include one header file and 2 c
fun.h
#include<stdio.h>
void f();
/******EOF*******/
fun.c
#include"fun.h"
void f(){
[Code].....
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May 18, 2011
How can I make vi and nano such that when I press the tab key, it automatically replaces the tab with 4 spaces?
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Oct 18, 2010
I have two txt files containing x and y coordinates: xcoord.txt & ycoord.txt. I need to open them; read them line by line to get each coordinate; then each time I need to update Xs and Ys parameters inside another file called "dc.in" with the grabbed values.
Finally each time I need to run two exe files ( dc_2002 and st_vac) and produce corresponding output for each Xs and Ys ( dc.in is an input file for this exe files)
I have written the following code but it does not work:
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Jan 28, 2009
I have a text file called file1.txt containing many lines eg.
line1
line2
line3
line4
line5
line6
Then i have another text file called file2.txt contains
3
5
6
Is there a command to remove the lines in file1.txt based on the keywords in file2.txt? note: It should remove line3,line5,line6 based on 3,5,6
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Jan 19, 2009
I need to insert 3-4 lines of text to the beginning of a text file. The file is a largish MYSQL dump, the result of a backup shell script. This shell script should insert the required text.I've wrestled with sed, but lost.
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Jan 13, 2010
I have to delete a certain line of text from the a textfile via ubuntu's shell scripting.I have done research, and it seems that most people advocate the usage of sed /d option. sed makes does not edit the text file. Hence, most options I discovered involved the use of a temporary variable/textfile and then overwriting the old file with the temporary new file. Is there anyway whereby I can bypass the use of temporary storage containers? I hope there is any magical combination of commands to edit the file directly.
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Jan 8, 2011
I want to display something in my text view widget in glade using c code. that's all right.
now I need to attach a save button beneath the text view.so that on click the text view content should save as a txt file..
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Feb 9, 2011
I want to display the contents of a particular log file (simple text file, I mean in Linux). But there is a problem: The contents need to be organized in a fixed format. Have a look at this log file:
sampleLog.txt
Code:
User Name: XYZ
Reported Problems Description: Blah! Blah! Blah! Blah!Blah! Blah!Blah! Blah!Blah! Blah!Blah! Blah!Blah! Blah!Blah! Blah!Blah! Blah!Blah! Blah!Blah! Blah!Blah! Blah!Blah!
[code]....
So, while displaying the contents of above file on a web page, I want to format the field names found in the log file: User Name:, Reported Problems Description:, and Remarks:. These fields may contain a variable length of text and no specific line number is assumed for them to appear on.
The desired output should look like this:
User Name: XYZ
Reported Problems Description: Blah! Blah! Blah! Blah!Blah! Blah!Blah! Blah!Blah! Blah!Blah! Blah!Blah! Blah!Blah! Blah!Blah! Blah!Blah! Blah!Blah! Blah!Blah! Blah!Blah!
[code]....
Well, what I am trying to do may sound wierd to some of you. The filed "Reported Problems Description:" can possible contain text which embeds colon (.
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May 3, 2010
a sed command to add a text before line number in text file? I have text file with 500 lines, and i want to add 3 more lines with text after line 300, OR before line 302, isn't no problem.
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Nov 13, 2010
I'm running Ubuntu 10.10 Maverick Meerkat 64-bit on my desktop with a wired internet connection (with no firewall). For the past 2 days, I have observed that1. Firefox randomly throws up errors like "Problem loading page" whenever I click on a hyperlink. When I click on Reload, the page loads up just fine. This has been happening a lot recently..and I do not remember updating anything consciously. By the way, ipv6 is disabled in Firefox.2. The network stops working all of a sudden (usually indicated by the Firefox error). The Autho Eth0 indication is active, but I am unable to connect to any external machine.
3. Needless to say, this error is manifesting itself in apt-get as well. I get "something wicked happened" errors all the time, and am unable to download or install anything.That this is not a problem with the ISP is obvious because I also have Windows (from which I'm typing this, ironically), which is able to access the internet.Is this a bug in Ubuntu 10.10?
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Apr 21, 2010
Running Ubuntu and writing simple C programs. I need 2 text windows, the one I have started in, and a second to display some debug information. I can start a second screen using popen("/usr/X11R6/bin/xterm" "w"), and I get my new text window. However, it is running a shell and I can't send any info to it!
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Aug 26, 2010
I'm writing a C program, and using Autotools. I have a large text file that I need to include verbatim, as data for my program.I used to have a hacked-together Perl script that would take a file like this: Code: A Rabbi, a Priest, and a Minister walked into a bar.The bartender said, "What is this, a joke?" I found this site that contains instructions for doing exactly what I want, but that technique requires GNU's ld, and the whole point of using Autotools in the first place is to make my project platform- and compiler-independent.I should point out that, according to the Autotools help, I can do this with a script called either "txtc.sh" or "txtc.sh.in". Unfortunately, Google can't find such a script, and it's not in any package that I can find.
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Sep 7, 2010
how to verify if the file is binary or text without to open the file
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Jun 13, 2010
On ubuntu i just compiled my first program using lazarus and i can open it in terminal fine but if i double click the file simply marked 'hello' nothing happens.
Here is the source:
PHP Code:
program Hello;
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Jun 6, 2011
I can do it with mousepad. Below is what I get when trying to open with gedit
[Code]...
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Feb 22, 2011
I need to get names of all installed packages in 2 machines and save them in 2 text files, then I want to compare these 2 files to know the differences between 2 files and from that I could know the differences between 2 machines. Is it possible to do that and what program I could use?
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Apr 19, 2011
I have a .txt-file with ~50.000 lines of numbers, generated by a mathematics program. From this file, I need line ~ 1.100 to line ~16.000 (these lines are always the same btw, this may make the solution easier, dunno) to be copy/pasted to another file, where the lines ~500 to ~15.000 (also, every time the same) should be overwritten by the aforementioned lines...I haven't found or come up with anything that works yet, mostly I find solutions to copy everything from one file to another but I can't find something to specifically overwrite a part of a file with part of another.
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Mar 4, 2011
My midterm instructions are in mth format. I wouldn't even know what program to use to open in Windows. The actual midterm itself is an htm file. I need help ASAP.
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Nov 28, 2010
How do i per say open a file with like transmission when i am downloading it from the internet it says open with then you click it on firefox and it goes to root. Where do i find the files for opening a program instead of saving and going into the program and opening it that way?
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Nov 11, 2010
What I plan to do is, create a duplicate file of a text file, and then append some text into the new text file.
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Oct 25, 2010
I was wondering what program I use in Ubuntu to open a .dat file. Any one know?
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Jun 25, 2011
we had this cd called 3d arts and crafts and it created several images from one image. it saved them in a file format .dcp i can't find any program to open the file with now that i've changed system
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Mar 3, 2011
I was working on a text file in open office writer last night, and this morning i tried to open it and a little thing popped up saying "ASCII Filter Options," prompting me for which character set, language and default fonts I wanted to use. (only after it asked if i wanted to recover the document, which i just did since it was asking me...) Now the document, which was very important, is a scrambled bunch of random characters! I cannot find the correct character set. Why is it prompting me for which character encoding I am using in the first place?
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Apr 22, 2010
I am running Ubuntu 9.10 and had hoped to use Synaptic to find and install Truecrypt. As Synaptic couldn't find it I downloaded it from [URL]. In case it helps the file is called "truecrypt-6.3a-linux-x86.tar.gz". Apart from not knowing how to get a working program from the .tar.gz file, I don't know whether the installation process sorts out where the file should go and puts it there, or whether I have to create a directory for it and put it there myself.
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Mar 11, 2011
I have been working on this since 3 days but wasn't able to achieve what I want
I have a big text that has the following format:
Current max fieldLen for table1 (a):
Fld# Width MaxWidth ERR NAME
---- ------ -------------- ------ ---------
2: 80 38 *** field-name
3: 4 2 field-version
4: 40 7 field-value
[Code]....
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Apr 28, 2011
I have a text field that is just list of servers and I need to add the word hostname in front of them... It must be brain fart but I can't think of how to do this. Basically I need this:
server1
server2
server3
To this:
hostname server1
hostname server2
hostname server3
(And I just mean simply the word "hostname")
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