(Unicode C++) OpenAI (ChatGTP) Retrieve File Content

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Demonstrate how to retrieve the content of a file from OpenAI. Shows how to download to a file, or instead download to a string in memory.

For more information, see https://platform.openai.com/docs/api-reference/files/retrieve-content

Chilkat C/C++ Library Downloads
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#include <CkHttpW.h>
#include <CkStringBuilderW.h>

void ChilkatSample(void)
    {
    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkHttpW http;
    bool success;

    // Adds the "Authorization: Bearer $OPENAI_API_KEY" header.
    // This is NOT a real key.  Change the "sk-vi...." to your own key.
    http.put_AuthToken(L"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");

    const wchar_t *file_id = L"file-1H4vJq0H775gQVrjWY5jpp15";

    // Download to local file.
    const wchar_t *url = L"https://api.openai.com/v1/files/{$file_id}/content";
    http.SetUrlVar(L"file_id",file_id);

    // Note: Free accounts are not able to download files.
    // If using a free account, you'll receive an error response:  "To help mitigate abuse, downloading of fine-tune training files is disabled for free accounts."
    success = http.Download(url,L"c:/aaworkarea/mydata.jsonl");
    if (success == false) {
        wprintf(L"%s\n",http.lastErrorText());
        wprintf(L"Failed\n");
        return;
    }

    wprintf(L"Downloaded OpenAI file to a local file.\n");

    // Alternatively, download into a StringBuilder
    CkStringBuilderW sbData;
    success = http.DownloadSb(url,sbData,L"utf-8");
    if (success == false) {
        wprintf(L"%s\n",http.lastErrorText());
        wprintf(L"Failed\n");
        return;
    }

    wprintf(L"Downloaded OpenAI file to a StringBuilder\n");

    wprintf(L"file content:\n");
    wprintf(L"%s\n",sbData.getAsString());
    }