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codemee
codemee

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VSCode C++ extension 執行程式時的工作路徑

今天測試一個小程式, 像是這樣:

// Ch18_4, 將資料寫入文字檔
#include <fstream> // 載入fstream標頭檔
#include <iostream>
using namespace std;
int main(void)
{
   // 建立ofile物件
   ofstream ofile(".\\donkey.txt", ios::out);
   if (ofile.is_open())
   {                                   // 測試檔案是否被開啟
      ofile << "我有一隻小毛驢" << endl; // 將字串寫入檔案
      ofile << "我從來也不騎" << endl;  // 將字串寫入檔案
      cout << "已將字串寫入檔案..." << endl;
   }
   else
      cout << "檔案開啟失敗..." << endl;

   ofile.close(); // 關閉檔案
   return 0;
}
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在 VSCode 中執行後就發現我找不到儲存的 donkey.txt 檔, 原本以為不就是在我現在工作目錄下, 發現沒有, 仔細看一下 VSCode 中 C++ extension 幫我執行程式的指令:

#  & 'c:\Users\meebo\scoop\apps\vscode\1.90.2\data\extensions\ms-vscode.cpptools-1.20.5-win32-x64\debugAdapters\bin\WindowsDebugLauncher.exe' '--stdin=Microsoft-MIEngine-In-s1dizyvd.jxy' '--stdout=Microsoft-MIEngine-Out-r0d523uu.x0s' '--stderr=Microsoft-MIEngine-Error-man3cnzk.ub0' '--pid=Microsoft-MIEngine-Pid-gmbauy4i.3uu' '--dbgExe=C:\Users\meebo\scoop\apps\tdm-gcc\current\bin\gdb.exe' '--interpreter=mi'
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實際執行我的程式的是 gdb 除錯器, 所以到除錯器的路徑下尋找, 果然:

# ls C:\Users\meebo\scoop\apps\tdm-gcc\current\bin\*.txt

    Directory: C:\Users\meebo\scoop\apps\tdm-gcc\current\bin

Mode                 LastWriteTime         Length Name
----                 -------------         ------ ----
-a---         2024/6/21 上午 11:15             43 donkey.txt
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找到我的小毛驢了!

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