Re: [Dev-C++] problem with getline()

[<h.r...@gm...> (by w. of <h.r...@gm...>]

> h.r...@gm... wrote:
> 
> > Hi list,
> > 
> > sorry, i know its bad style to ask nearly the same question twice, but i
> > make no progress with this problem. All in this file works well, except
> the
> > getline command. Allways the program crashed at this point. No
> exception, no
> > message, nothing. Has anyone a idea ? 
> > Thanks in advance !!
> > 
> > greetings
> > Horst
> > 
> > // File: readdata.cpp
> > // Last: 6.8.02
> > 
> > #include "readdata.h"
> > 
> > #ifndef PROCABI_H
> >   #include "procabi.h"
> > #endif
> > 
> > #ifndef DATEI_H
> >   #include "datei.h"
> > #endif
> > 
> > #ifndef INOUT_H
> >   #include "inout.h"
> > #endif
> > 
> > #include <cstdio>
> > #include <cstdlib>
> > #include <cmath>
> > #include <string>
> > #include <iostream>
> > #include <fstream>
> > 
> > using std::cout;
> > using std::cerr;
> > using std::getline;
> > 
> > extern TProzessfaehigkeit pf;
> > extern TRead read;
> > 
> > //-------------------------------------------------------------------
> > 
> > bool isLine2Skip(const string& s) {
> >   return ( (s[0] == ';') || // Comment
> >            (s[0] == ' ') || // Space
> >             s.empty() );    // Empty String   
> > } // bool isLine2Skip()
> >  
> > int RdFile(const string& s) {
> >   try {
> >     ifstream in(s.c_str());
> >     if (!in) throw ERR_FILE_OPEN;
> >     
> >     string line;
> >      
> >     do {
> >       getline(in, line);
> >     } while (isLine2Skip(line));
> >     pf.MeanS = atof(line.c_str());
> >     
> >     do {
> >       getline(in, line);
> >     } while (isLine2Skip(line));
> >     pf.UTG = atof(line.c_str());
> >     
> >     do {
> >       getline(in, line);
> >     } while (isLine2Skip(line));
> >     pf.OTG = atof(line.c_str());
> > 
> >     while (getline(in, line)) {
> >     if (!isLine2Skip(line)) pf.Add(atof(line.c_str()));
> >     } // while
> >     return 0; 
> >   } // try
> >   
> >   catch(...) {
> >     cerr << " Fehler in Datei " << s << endl;
> >     return 1;
> >   } // catch
> > } // int RdFile()
> > 

> Hi Horst!
> The order of the parameters in the function
> getline is a "string" and an "int" (e.g. getline(string, 50)).
> I'm not sure, but think you've used getline(int,string),
> since your getline is this way: getline(in, line), and "line"
> is a string, isn't?
> 
> Regards,
> Rafael Charnovscki
> 

yes, it is. line is a string. In an ifstream. 
Some Book examples uses my kind of getline e.g. 

B. Eckel "Thinking in C++" Vol. 1 or in Accelerated C++ p.131

regards
Horst

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