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fix the no-writing-history issue for fbrun

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This commit is contained in:
mathias 2004-12-24 03:02:48 +00:00
parent d39897f19d
commit 1910d5af46
1 changed files with 19 additions and 12 deletions
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31
util/fbrun/FbRun.cc
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@ -140,20 +140,27 @@ void FbRun::run(const std::string &command) {
}
}
// now m_current_history_item points at the duplicate, or
// at m_history.size() if no duplicate
fstream inoutfile(m_history_file.c_str(), ios::in|ios::out);
if (inoutfile) {
int i = 0;
// read past history items before current
for (string line; !inoutfile.eof() && i < m_current_history_item; i++)
getline(inoutfile, line);
// write the history items that come after current
for (i++; i < m_history.size(); i++)
inoutfile<<m_history[i]<<endl;
// and append the current one back to the end
inoutfile<<text()<<endl;
// now m_current_history_item points at the duplicate, or
// at m_history.size() if no duplicate
if (m_current_history_item != m_history.size()) {
int i = 0;
// read past history items before current
for (; inoutfile.good() && i < m_current_history_item; i++)
inoutfile.ignore(1, '\n');
// write the history items that come after current
for (i++; i < m_history.size(); i++)
inoutfile<<m_history[i]<<endl;
} else {
// set put-pointer at end of file
inoutfile.seekp(0, ios::end);
}
// append current command to the file
inoutfile<<command<<endl;
} else
cerr<<"FbRun Warning: Can't write command history to file: "<<m_history_file<<endl;
}