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Feb 15th, 2006, 7:13 PM
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#1 |
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saving to a file
Can someone please tell me how to save to a file ?? I'm trying to save a string type into a file at "C:\testing.text" i have a while loop and everytime the loop goes through i need to save to the next line in a file. Any help would greatly be appreciated.
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Feb 15th, 2006, 8:03 PM
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#2 |
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sorry for the double post ignore the other one
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Feb 15th, 2006, 8:22 PM
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#3 |
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Programmer
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Your looking for the fstream family of classes in the standard library. This page looks to be a good start.
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Feb 16th, 2006, 7:12 AM
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#4 |
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Programming Guru
 
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something like this...
// Appends to existing file.
void WriteToFile (string line)
{
string strFile = "c:\testing.text";
fstream theFile;
theFile.open(strFile.c_str(),std::ios::app);
theFile << line << endl;
theFile.close();
}
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Feb 16th, 2006, 7:31 AM
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#5 |
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If you're operating on Windows (neither your post nor your personal info say), I recommend you use binary mode, rather than the default text (*nix is always binary). The reasons are made clear in MS's documentation of the modes.
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Abstraction doesn't make it impossible to write bad code; it makes it possible to write superior code. Contributor's Corner: Grumpy on C++ Exceptions DaWei on Pointers |
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Feb 16th, 2006, 8:05 AM
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#6 |
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thx
prefect this is great guys.. i just thought that it would be harder than this.
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Feb 16th, 2006, 8:30 AM
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#7 |
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Programming Guru
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I always seemed to do things the hard way first, for some reason... I still do.
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http://jasonpowers.net "There are a thousand hacking at the branches of evil to one who is striking at the root." |
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Feb 16th, 2006, 10:27 AM
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#8 |
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But don't forget to do error checking!
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Canonical Books: The best programming books around. |
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