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<blockquote data-quote="patriarch" data-source="post: 472862" data-attributes="member: 105778">I didn't want to fiddle around with your code too much, I'll speak as redundant as I can so you can try follow up. Whenever you wrote something to the console it went through [ICODE]&nbsp; ttoken = line.substr(0, pos); [/ICODE], to remove the &quot;delimiter&quot;, now according to the counter you've placed inside the while loop, it will increment every time you run some new input. This ultimately is the simple issue that is repeating the same output every time, i.e. the definition of the string index which occurs at first input.So all this being said, the variable index wasn't being updated (as it should be), since I didn't want to mess around with the code too much, I simply used a variable that was being updated accordingly, here is the code:[CODE=cpp]#ifdef _WIN32#include &lt;Windows.h&gt;#else#include &lt;unistd.h&gt;#endif#include &lt;sstream&gt;#include &lt;iostream&gt;#include &lt;array&gt;#include &lt;vector&gt;#include &lt;map&gt;int main(){&nbsp; &nbsp; std::string ttoken;&nbsp; &nbsp; std::string index;&nbsp; &nbsp; std::string token;&nbsp; &nbsp; std::string dataEn1;&nbsp; &nbsp; std::string dataEn2;&nbsp; &nbsp; std::string dataEn3;&nbsp; &nbsp; std::string dataEn4;&nbsp; &nbsp; int count = 0;&nbsp; &nbsp; std::string scoreDt = &quot;&quot;;&nbsp; &nbsp; std::string delimiter = &quot;;;&quot;;&nbsp; &nbsp; std::string line = &quot;&quot;;&nbsp; &nbsp; while (std::getline(std::cin, line)) {&nbsp; &nbsp; &nbsp; &nbsp; if (line.empty())&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; continue;&nbsp; &nbsp; &nbsp; &nbsp; size_t pos = 0;&nbsp; &nbsp; &nbsp; &nbsp; while ((pos = line.find(delimiter)) != std::string::npos) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ttoken = line.substr(0, pos);&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; // std::cout &lt;&lt; ttoken &lt;&lt; std::endl;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (count == 0) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; index = ttoken;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; else if (count == 1) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; token = ttoken;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; else if (count == 2) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; scoreDt = ttoken;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; else if (count == 3) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; dataEn1 = ttoken;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; else if (count == 4) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; dataEn2 = ttoken;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; else if (count == 5) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; dataEn3 = ttoken;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; else {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; dataEn4 = ttoken;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; line.erase(0, pos + delimiter.length());&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; count++;&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (ttoken == &quot;ready&quot;) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; std::cout &lt;&lt; &quot;ok&quot; &lt;&lt; std::endl;&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; if (ttoken == &quot;search&quot;) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; std::cout &lt;&lt; &quot;not ok!&quot; &lt;&lt; std::endl;&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; if (ttoken == &quot;quit&quot;) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; std::cout &lt;&lt; &quot;bye&quot; &lt;&lt; std::endl;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; break;&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; }&nbsp; &nbsp; return 0;}[/CODE]</blockquote>

[QUOTE="patriarch, post: 472862, member: 105778"] I didn't want to fiddle around with your code too much, I'll speak as redundant as I can so you can try follow up. Whenever you wrote something to the console it went through [ICODE] ttoken = line.substr(0, pos); [/ICODE], to remove the "delimiter", now according to the counter you've placed inside the while loop, it will increment every time you run some new input. This ultimately is the simple issue that is repeating the same output every time, i.e. the definition of the string index which occurs at first input. So all this being said, the variable index wasn't being updated (as it should be), since I didn't want to mess around with the code too much, I simply used a variable that was being updated accordingly, here is the code: [CODE=cpp]#ifdef _WIN32 #include <Windows.h> #else #include <unistd.h> #endif #include <sstream> #include <iostream> #include <array> #include <vector> #include <map> int main() { std::string ttoken; std::string index; std::string token; std::string dataEn1; std::string dataEn2; std::string dataEn3; std::string dataEn4; int count = 0; std::string scoreDt = ""; std::string delimiter = ";;"; std::string line = ""; while (std::getline(std::cin, line)) { if (line.empty()) continue; size_t pos = 0; while ((pos = line.find(delimiter)) != std::string::npos) { ttoken = line.substr(0, pos); // std::cout << ttoken << std::endl; if (count == 0) { index = ttoken; } else if (count == 1) { token = ttoken; } else if (count == 2) { scoreDt = ttoken; } else if (count == 3) { dataEn1 = ttoken; } else if (count == 4) { dataEn2 = ttoken; } else if (count == 5) { dataEn3 = ttoken; } else { dataEn4 = ttoken; } line.erase(0, pos + delimiter.length()); count++; } if (ttoken == "ready") { std::cout << "ok" << std::endl; } if (ttoken == "search") { std::cout << "not ok!" << std::endl; } if (ttoken == "quit") { std::cout << "bye" << std::endl; break; } } return 0; }[/CODE] [/QUOTE]

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