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Message: [QUOTE="Charles Wilson, post: 5021103"] [i][i][i] This is what I get [cwilson@orion Hw7]$ gcc hw7.cpp /tmp/ccN2xrWu.o: In function `main::._84::._84()': hw7.cpp:(.text+0x15): undefined reference to `std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string()' /tmp/ccN2xrWu.o: In function `main::._84::~._84()': hw7.cpp:(.text+0x31): undefined reference to `std::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()' /tmp/ccN2xrWu.o: In function `main::._84::operator=(._84 const&)': hw7.cpp:(.text+0x65): undefined reference to `std::basic_string<char, std::allocator<char> > const&)' /tmp/ccN2xrWu.o: In function `__static_initialization_and_destruction_0(int, int)': hw7.cpp:(.text+0xa1): undefined reference to `std::ios_base::Init::Init()' /tmp/ccN2xrWu.o: In function `__tcf_0': hw7.cpp:(.text+0xe4): undefined reference to `std::ios_base::Init::~Init()' /tmp/ccN2xrWu.o: In function `main': hw7.cpp:(.text+0x1ee): undefined reference to `std::basic_ifstream<char, std::char_traits<char> >::basic_ifstream()' hw7.cpp:(.text+0x1fa): undefined reference to `std::basic_ofstream<char, std::char_traits<char> >::basic_ofstream()' hw7.cpp:(.text+0x210): undefined reference to `std::basic_ifstream<char, std::char_traits<char> >::open(char const*, std::_Ios_Openmode)' hw7.cpp:(.text+0x232): undefined reference to `std::basic_ofstream<char, std::char_traits<char> >::open(char const*, std::_Ios_Openmode)' hw7.cpp:(.text+0x260): undefined reference to `std::basic_istream<char, std::char_traits<char> >& hw7.cpp:(.text+0x2bc): undefined reference to `std::basic_istream<char, std::char_traits<char> >& hw7.cpp:(.text+0x2cf): undefined reference to `std::basic_ios<char, std::char_traits<char> >::eof() const' hw7.cpp:(.text+0x406): undefined reference to hw7.cpp:(.text+0x422): undefined reference to hw7.cpp:(.text+0x437): undefined reference to hw7.cpp:(.text+0x453): undefined reference to /tmp/ccN2xrWu.o: In function `bool std::operator><char, std::char_traits<char>, std::allocator<char> >(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)': hw7.cpp:(.text._ZStgtIcSt11char_traitsIcESaIcEEbRKSbIT_T0_T1_ES8_[bool std::allocator<char> > const&)]+0x19): undefined reference to std::allocator<char> > const&) const' /tmp/ccN2xrWu.o:(.eh_frame+0x13): undefined reference to `__gxx_personality_v0' collect2: ld returned 1 exit status [cwilson@orion Hw7]$[/i][/i][/i] [/QUOTE]

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