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POoverwriting the .txt file after user edit it C++
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  1. POoverwriting the .txt file after user edit it C++
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    copied!<p>i want to let user edit the txt file and ItemID is a unique character, i wanted to do checking if user key in a similar ItemID existed in the system, an error will appear.</p> <p>but after i do testing by keying in an Item ID that already exists, it successfully prompt "ItemID already exists in stock database" but when i tried to key in another ItemID not existing in the system, nothing happens, it won't show "returning to main menu" or exit to the main menu. </p> <p>please advise</p> <pre><code> switch (choice) { case 1: while (true) { if (duplicate == true) { system("clear"); cout &lt;&lt; "\E[1;32m" &lt;&lt;itemID &lt;&lt; "\E[0m already exists in the stock database!" &lt;&lt; endl; cout &lt;&lt; "Please enter a unique Item ID that is not used yet" &lt;&lt; endl; cout &lt;&lt; "\E[1;32mItem ID:\E[0m\t" &lt;&lt; stockVectorTemp[vectorChoice - 1].getItemID() &lt;&lt; endl; cout &lt;&lt; "\E[1;32mDescription:\E[0m\t" &lt;&lt; stockVectorTemp[vectorChoice - 1].getItemDesc() &lt;&lt; endl; cout &lt;&lt; "\E[1;32mTotal Quantity:\E[0m\t" &lt;&lt; stockVectorTemp[vectorChoice - 1].getTotalQty() &lt;&lt; endl &lt;&lt; endl; } duplicate = false; cout &lt;&lt; logo_EditStock &lt;&lt; endl; cout &lt;&lt; "Please enter new ItemID: "; getline(cin, input); for (int i = 0; i &lt; stockVector.size(); i++) { if (stockVector[i].getItemID() == itemID) stockVector[i].setItemID(input); duplicate = true; writeStockDatabase(); // cout &lt;&lt; "Returning to main menu..." &lt;&lt; endl &lt;&lt; endl; } if (!duplicate) break; } cout &lt;&lt; "Returning to main menu..." &lt;&lt; endl &lt;&lt; endl; </code></pre> <p>break;</p>
 

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