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file extension help needed

rocky811rocky811 Member Posts: 12
hi ,
I have written a program , a part of which is below which generates output files with extension 1.dat , 2.dat n so on ... but i want output something like .. prog1.dat and prog2.dat .... so on .... can someone help me out with this how i can get output filenames like that:

while(!infile2.eof())
{
i++;
sin.str("");
infile1.clear();
infile1.seekg(0,ios::beg);
sin << i;

std::string val(sin.str());
cout<<"i: " <<val<<endl;
std::string val1;
val1 = val+".dat";
outfile.open(val1.c_str());

Comments

  • zibadianzibadian Member Posts: 6,349
    : hi ,
    : I have written a program , a part of which is below which
    : generates output files with extension 1.dat , 2.dat n so on ...
    : but i want output something like .. prog1.dat and prog2.dat .... so
    : on .... can someone help me out with this how i can get output
    : filenames like that:
    :
    : while(!infile2.eof())
    : {
    : i++;
    : sin.str("");
    : infile1.clear();
    : infile1.seekg(0,ios::beg);
    : sin << i;
    :
    : std::string val(sin.str());
    : cout<<"i: " <<val<<endl;
    : std::string val1;
    : [red] val1 = val+".dat";[/red]
    : outfile.open(val1.c_str());
    :
    Change the red line above into:
    [code]
    val1 = "prog"+val+".dat"
    [/code]
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