tw_file_splitter/index.html at master · extreme4all/tw_file_splitter · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <title>Text File Splitter</title>
  <script src="https://cdn.jsdelivr.net/npm/jszip@3.10.1/dist/jszip.min.js"></script>
  <style>
    :root {
      --primary: #4CAF50;
      --bg: whitesmoke;
      --white: #fff;
      --text: #333;
      --muted: #666;
      --shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      padding: 0;
      font-family: "Inter", "Segoe UI", sans-serif;
      background-color: var(--bg);
      height: 100vh;
      display: flex;
      justify-content: center;
      align-items: center;
      color: var(--text);
    }

    .container {
      background: var(--white);
      padding: 2.5rem 3rem;
      border-radius: 16px;
      box-shadow: var(--shadow);
      text-align: center;
      max-width: 400px;
      width: 100%;
      animation: fadeIn 0.4s ease-in-out;
    }

    h2 {
      margin-bottom: 1.5rem;
      font-size: 1.6rem;
    }

    label {
      display: block;
      margin-top: 1.2rem;
      margin-bottom: 0.3rem;
      font-weight: 500;
      text-align: left;
    }

    input[type="file"],
    input[type="number"] {
      width: 100%;
      padding: 0.55rem;
      font-size: 1rem;
      border: 1px solid #ccc;
      border-radius: 8px;
      outline: none;
      transition: border-color 0.2s ease-in-out;
    }

    input[type="file"]:hover,
    input[type="number"]:hover {
      border-color: var(--primary);
    }

    button {
      margin-top: 1.5rem;
      width: 100%;
      padding: 0.7rem;
      font-size: 1rem;
      background-color: var(--primary);
      border: none;
      color: white;
      border-radius: 10px;
      cursor: pointer;
      transition: background 0.2s ease-in-out;
    }

    button:hover {
      background-color: #43a047;
    }

    #status {
      margin-top: 1.2rem;
      font-style: italic;
      color: var(--muted);
      font-size: 0.95rem;
      min-height: 1.5em;
    }

    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(10px); }
      to { opacity: 1; transform: translateY(0); }
    }
  </style>
</head>
<body>
  <div class="container">
    <h2>📂 Text File Splitter</h2>
    <label for="fileInput">Choose your .txt file:</label>
    <input type="file" id="fileInput" accept=".txt" />

    <label for="lineCount">Lines per file:</label>
    <input type="number" id="lineCount" min="1" value="500" />

    <button onclick="splitFile()">Upload & Split</button>
    <p id="status"></p>
  </div>

  <script>
    async function splitFile() {
      const fileInput = document.getElementById('fileInput');
      const lineInput = document.getElementById('lineCount');
      const status = document.getElementById('status');
      const file = fileInput.files[0];
      const chunkSize = parseInt(lineInput.value);

      if (!file) return alert('Please choose a file');
      if (isNaN(chunkSize) || chunkSize <= 0) return alert('Please enter a valid number of lines');

      status.textContent = 'Reading file...';

      const reader = new FileReader();
      reader.onload = async function(event) {
        const content = event.target.result;
        const lines = content.split(/\r?\n/);
        const zip = new JSZip();

        let fileCount = 0;
        for (let i = 0; i < lines.length; i += chunkSize) {
          const chunk = lines.slice(i, i + chunkSize).join('\n');
          zip.file(`part_${String(fileCount).padStart(4, '0')}.txt`, chunk);
          fileCount++;
        }

        status.textContent = `Zipping ${fileCount} parts...`;
        const blob = await zip.generateAsync({ type: 'blob' });
        const link = document.createElement('a');
        link.href = URL.createObjectURL(blob);
        link.download = 'split_files.zip';
        link.click();

        status.textContent = '✅ Done! Download started.';
      };

      reader.readAsText(file);
    }
  </script>
</body>
</html>