Microsoft KB Archive/158200

= How to use the string::getline STL function in Visual C++ =

Article ID: 158200

Article Last Modified on 1/10/2006

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APPLIES TO

 The Standard C++ Library, when used with:  Microsoft Visual C++ 4.2 Enterprise Edition

 Microsoft Visual C++ 5.0 Enterprise Edition

 Microsoft Visual C++ 6.0 Enterprise Edition

 Microsoft Visual C++ 4.2 Professional Edition</li></ul>

 Microsoft Visual C++ 5.0 Professional Edition</li></ul>

 Microsoft Visual C++ 6.0 Professional Edition</li></ul>

 Microsoft Visual C++ 6.0 Standard Edition</li></ul>

 Microsoft Visual C++ 2005 Express Edition</li></ul>

 Microsoft Visual C++ .NET 2003 Standard Edition</li></ul>

 Microsoft Visual C++ .NET 2002 Standard Edition</li></ul> </li></ul>

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This article was previously published under Q158200

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Note Microsoft Visual C++ .NET 2002 and Microsoft Visual C++ .NET 2003 support both the managed code model that is provided by the Microsoft .NET Framework and the unmanaged native Microsoft Windows code model. The information in this article applies only to unmanaged Visual C++ code. Microsoft Visual C++ 2005 supports both the managed code model that is provided by the Microsoft .NET Framework and the unmanaged native Microsoft Windows code model.

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SUMMARY
The sample code below illustrates how to use the string::getline STL function in Visual C++.

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Prototype
template<class _E, class _TYPE, class _A> inline basic_istream<_E, _TYPE>& getline( basic_istream<_E, _TYPE>& Istream,                           basic_string<_E, _TYPE, _A>& Xstring,                            const _E _D=_TYPE::newline); Note The class/parameter names in the prototype may not match the version in the header file. Some have been modified to improve readability.

Description
The getline function creates a string containing all of the characters from the input stream until one of the following situations occurs:
 * End of file.
 * The delimiter is encountered.
 * is.max_str elements have been extracted.

Sample code
////////////////////////////////////////////////////////////////////// // // Compile options needed: /GX // // Getline.cpp : Illustrates how to use the getline function to read a //              line of text from the keyboard. // // Functions: // //   getline       Returns a string from the input stream. // // Written by Derek Jamison // of Microsoft Product Support Services, // Copyright (c) 1996 Microsoft Corporation. All rights reserved. //////////////////////////////////////////////////////////////////////

using namespace std;
 * 1) pragma warning(disable:4786)
 * 2) include
 * 3) include

using namespace std; // std c++ libs implemented in std #endif
 * 1) if _MSC_VER > 1020  // if VC++ version is > 4.2

void main {   string s1; cout << "Enter a sentence (use as the delimiter):"; getline(cin,s1, ' '); cout << "You entered: " << s1; } Program Output is: <pre class="fixed_text">Enter a sentence (use as the delimiter): A_space_at_the_end. You entered: A_space_at_the_end.

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