getline Questions
2
Solved
I was given a homework assignment to generate a txt file containing a random number of lines, each with a random amount of integers, ranging between a minimum value and a maximum value. Lots of ran...
1
Solved
I am trying to read in and then output the contents of a text file with three lines, as follows:
Bob Dylan 10 9
John Lennon 8 7
David Bowie 6 5
For each line, I just want to output the line, ...
2
Solved
I'm making a program to make question forms. The questions are saved to a file, and I want to read them and store them in memory (I use a vector for this).
My questions have the form:
1 TEXT What ...
Luxor asked 18/11, 2013 at 10:41
3
Solved
I have a code with the following snippet:
std::string input;
while(std::getline(std::cin, input))
{
//some read only processing with input
}
When I run the program code, I redirect stdin input...
Hardset asked 30/10, 2013 at 3:32
5
What I want is to get the reversed string of current line, I tried to use the rev command in the AWK but cannot get the current result.
$ cat myfile.txt
abcde
$ cat myfile.txt | awk '{cmd="echo "...
1
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2
Solved
I have this code in an Objective-C class (in an Objective-C++ file):
+(NSString *)readString
{
string res;
std::getline(cin, res);
return [NSString stringWithCString:res.c_str() encoding:NSASCI...
Photoconductivity asked 6/7, 2012 at 2:4
2
Solved
I know the title sounds crazy, but I'm experiencing this firsthand right now and I can't think of any reason why this is failing.
I am reading through a file using getline()
At the end of the rea...
4
Solved
I have this code which is supposed to cout in console the information from the .csv file;
while(file.good())
{
getline(file, ID, ',');
cout << "ID: " << ID << " " ;
getline...
2
Solved
I'm trying to figure out why this is broke now, because I had it working and I'm not sure what is wrong. I'm trying a simple getline from a file that's been opened, however, the compiler keeps givi...
1
Solved
Seekg does not seem to work, when I reach EOF in myFile.
ifstream myFile("/path/file");
for(int i; i < 10; i++){
myFile.seekg(0);//reset position in myFile
while(getline(myFile, line)){
doS...
2
I'm using the get line function in C to read through the lines of a file. I want to loop over the function so that I can read through the file n number of times. For some reason though, it only rea...
1
I have a problem. I load the whole file and then getline through it to get some info. However in the map format there may be 0 or 20 "lines" with the info. I need to know how to getline through std...
1
Solved
Consider the following code:
ifstream in;
try {
in.exceptions ( ifstream::failbit | ifstream::badbit );
in.open(pConfLocation);
} catch ( ifstream::failure e ) {
throw std::runtime_error("Ca...
2
Solved
One thing I'm not pretty sure after googling for a while, is the returned string of getline(). Hope to get it confirmed here.
std::getline
This global version returns a std::string so it's not n...
1
Solved
Whenever I encounter a substitute character http://en.wikipedia.org/wiki/Substitute_character while reading a file in C++ using getline(), it is interpreted as a EOF so I cannot advance with my rea...
3
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Possible Duplicate:
Need help with getline()
getline() is not working, if I use it after some inputs, i.e.
#include<iostream>
using namespace std;
main()
{
string date,time;
...
2
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I have an input file that looks like this (first column is a location number and the second is a count that should increase over time):
1 0
1 2
1 6
1 7
1 7
1 8
1 7
1 7
1 9
1 9
1 10
1 10
1 9
1 10
1...
2
Solved
I'm learning c++ and got the project to send a pascal's triangle to output (after n-rows of calculation)., getting output like this, stored in a stringstream "buffer"
1
1 1
1 2 1
1 3 3 1
But...
Davilman asked 4/5, 2012 at 8:12
1
Solved
I have a theoretical question:
1) How pass a variable to the system of getline ()?
awk 'BEGIN{var="ls"; var | getline var; system("echo $var")}'
2) How to assign a variable the output system ("...
1
Solved
I'm trying to load lines of a text file containing dictionary words into an array object. I want an array to hold all the words that start with "a", another one for "b" ... for all the letters in t...
10
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I wanted to compare reading lines of string input from stdin using Python and C++ and was shocked to see my C++ code run an order of magnitude slower than the equivalent Python code. Since my C++ i...
Dustpan asked 21/2, 2012 at 2:17
3
Solved
My code looks like this,
string aString;
cin >> aString;
cout << "This is what cin gets:" << aString << endl;
getline(cin, aString);
cout << "This is what getline(cin...
4
Solved
I have been working on a small exercise for my CIS class and am very confused by the methods C uses to read from a file. All that I really need to do is read through a file line by line and use the...
2
Solved
First of all, some background: I'm trying to get in a list of integers from an external file and put them into an array. I am using getline to parse the input file line by line:
int lines = 0;
siz...
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