After pressing Ctrl + P in the editor, you write the file name followed by the special character and a search term so you can search inside that specific file?

๐Ÿ“ฆ Key shortcuts
โœจ The Prompt Phrase
After pressing Ctrl + P in the editor, how do you write the file name followed by the special character and a search term so you can search inside that specific file?

~filename@Search-Parameter~

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  <a href="#what">What</a><a href="#why">Why</a><a href="#how">How</a><a href="#demo">Demo</a><a href="#breakdown">Breakdown</a>
  <a href="#mistakes">Mistakes</a><a href="#tips">Tips</a><a href="#quiz">Quiz</a><a href="#summary">Cheat Sheet</a>
  <button id="theme" aria-label="Toggle light and dark theme">๐ŸŒ—</button>
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<main>
<header class="hero section show">
  <div class="float" aria-hidden="true">๐Ÿ”ญ</div>
  <h1 class="grad">filename@symbol: Search Inside a File</h1>
  <p style="color:var(--muted);margin-top:10px">"After pressing Ctrl + P, add an @ and a search parameter to look inside a file."</p>
  <div class="cmd" style="max-width:420px">
    <code><span class="k-a">app.js</span><span class="k-sym">@</span><span class="k-c">handler</span></code>
    <button class="btn small copy" data-copy="app.js@handler" aria-label="Copy example">๐Ÿ“‹ Copy</button>
  </div>
  <div class="warn" style="text-align:left">โš ๏ธ <strong>Heads up:</strong> <code>@</code> searches <strong>symbols</strong> (functions, classes, variables), not any text. It is a <strong>VS Code</strong> Quick Open feature. In full <strong>Visual Studio</strong>, Ctrl + P prints.</div>
  <p>๐ŸŽฏ 5-10 minutes ยท ๐Ÿ† 4 badges to earn</p>
  <div class="badges" aria-label="Achievement badges">
    <span class="badge" id="b-read">๐Ÿ“– Explorer</span>
    <span class="badge" id="b-copy">๐Ÿ“‹ Copy Master</span>
    <span class="badge" id="b-demo">๐Ÿ”ญ Symbol Hunter</span>
    <span class="badge" id="b-quiz">๐Ÿ† Quiz Champ</span>
  </div>
</header>

<section id="what">
  <h2>๐Ÿค” 1. What Is It?</h2>
  <p>Picture a book ๐Ÿ“– with a table of contents. The file name picks the book. The <span class="tip" tabindex="0" data-tip="A symbol is a named thing in code, such as a function, class or variable.">symbol</span> list after <code>@</code> is the table of contents.</p>
  <p>You write <code>filename<span class="k-sym">@</span>search</code>: the file name, an <strong>at sign</strong>, then part of the name you want. No spaces needed.</p>
  <div class="warn">โœ… <strong>The answer:</strong> <code>app.js@handler</code> opens <code>app.js</code> and lists symbols that match "handler".</div>
  <div class="warn">โ„น๏ธ <strong>Not a text search:</strong> to find any word in a file, use <kbd>Ctrl</kbd>+<kbd>F</kbd>. To search all files, use <kbd>Ctrl</kbd>+<kbd>Shift</kbd>+<kbd>F</kbd>.</div>
</section>

<section id="why">
  <h2>๐ŸŽ 2. Why Use It?</h2>
  <div class="cards">
    <div class="card"><h3>๐Ÿงญ Navigate fast</h3>Reach a function in a long file without scrolling.</div>
    <div class="card"><h3>โšก One box</h3>Pick the file and the symbol together.</div>
    <div class="card"><h3>๐Ÿ—บ๏ธ Overview</h3>Type just <code>@</code> to see everything in the file.</div>
    <div class="card"><h3>๐Ÿง  Stay in flow</h3>Your hands never leave the keyboard.</div>
  </div>
</section>

<section id="how">
  <h2>โš™๏ธ 3. How Does It Work?</h2>
  <p>Click each step ๐Ÿ‘‡</p>
  <div class="acc open"><button aria-expanded="true">1๏ธโƒฃ Open Quick Open <span class="chev">โ–ผ</span></button><div class="body">In VS Code, press <kbd>Ctrl</kbd>+<kbd>P</kbd> (Mac: <kbd>Cmd</kbd>+<kbd>P</kbd>).</div></div>
  <div class="acc"><button aria-expanded="false">2๏ธโƒฃ Type the file name <span class="chev">โ–ผ</span></button><div class="body">A few letters are enough, for example <code>app</code>. Leave it out to use the current file.</div></div>
  <div class="acc"><button aria-expanded="false">3๏ธโƒฃ Add @ and a search <span class="chev">โ–ผ</span></button><div class="body">Type <code>@</code> then part of a symbol name: <code>app.js@hand</code>. The list narrows as you type.</div></div>
  <div class="acc"><button aria-expanded="false">4๏ธโƒฃ Press Enter <span class="chev">โ–ผ</span></button><div class="body">Use <kbd>โ†‘</kbd> and <kbd>โ†“</kbd> to choose, then <kbd>Enter</kbd>. The cursor lands on that symbol.</div></div>
</section>

<section id="demo">
  <h2>๐ŸŽฎ 4. Live Demo</h2>
  <p>This is a <strong>simulation</strong> with fake files. It doesn't touch your real editor.</p>
  <div class="tabs" role="tablist" aria-label="Demo modes">
    <button class="tab" role="tab" aria-selected="true" data-panel="p1">VS Code</button>
    <button class="tab" role="tab" aria-selected="false" data-panel="p2">Visual Studio</button>
    <button class="tab" role="tab" aria-selected="false" data-panel="p3">Not working?</button>
  </div>
  <div class="panel active" id="p1"><p>Click the mock editor, press <kbd>Ctrl</kbd>+<kbd>P</kbd> (or use the button), type <code>app.js@hand</code>, and press <kbd>Enter</kbd>. Try <code>utils.js@</code> too.</p><button class="btn" id="openQO">๐Ÿ”Ž Open Quick Open</button></div>
  <div class="panel" id="p2"><table>
    <tr><th>Goal</th><th>Default shortcut</th></tr>
    <tr><td>Go To All (files, types, members)</td><td><kbd>Ctrl</kbd>+<kbd>T</kbd> or <kbd>Ctrl</kbd>+<kbd>,</kbd></td></tr>
    <tr><td>Go to a line</td><td><kbd>Ctrl</kbd>+<kbd>G</kbd></td></tr>
    <tr><td>Ctrl + P</td><td>Print</td></tr></table>
    <p style="margin-top:8px;color:var(--muted)">I couldn't confirm that <code>filename@symbol</code> works in Visual Studio. Test it on your version. Check Tools &gt; Options &gt; Environment &gt; Keyboard.</p></div>
  <div class="panel" id="p3"><p>๐Ÿ” Checklist: Did you type <code>@</code>? Is the file in the open folder? Does the file have a language extension that provides symbols? Did the browser print dialog open instead? Is the editor focused?</p></div>
  <div class="ide" id="ide" tabindex="0" aria-label="Simulated editor. Press Control P to open Quick Open.">
    <div class="bar" id="tabbar">๐Ÿ“„ No file open</div>
    <div class="editor" id="editor" aria-live="polite"><div class="ln"><b></b>Click here, then press Ctrl + P.</div></div>
    <div class="qo" id="qo" role="dialog" aria-label="Quick Open (simulated)">
      <input id="qi" type="text" placeholder="e.g. app.js@hand" aria-label="Quick Open input" autocomplete="off">
      <ul id="ql"></ul>
    </div>
  </div>
  <p id="demoMsg" aria-live="polite" style="margin-top:10px;color:var(--muted)"></p>
</section>

<section id="breakdown">
  <h2>๐Ÿ”ฌ 5. Code Breakdown</h2>
  <p>Hover or focus the colored parts:</p>
  <div class="cmd" style="font-size:1.1rem"><code>
    <span class="k-a tip" tabindex="0" data-tip="The file name. Partial names work, like 'app'.">app.js</span><span class="k-sym tip" tabindex="0" data-tip="The at sign switches Quick Open to symbol search.">@</span><span class="k-c tip" tabindex="0" data-tip="Part of a function, class or variable name.">handler</span></code>
    <button class="btn small copy" data-copy="app.js@handler" aria-label="Copy">๐Ÿ“‹</button></div>
  <table>
    <tr><th>Part</th><th>Meaning</th></tr>
    <tr><td><code class="k-a">app.js</code></td><td>File to look inside</td></tr>
    <tr><td><code class="k-sym">@</code></td><td>Switch to symbol search</td></tr>
    <tr><td><code class="k-c">handler</code></td><td>Symbol name to match</td></tr>
  </table>
</section>

<section id="mistakes">
  <h2>๐Ÿšซ 6. Common Mistakes</h2>
  <div class="bad">โŒ <strong>Expecting a text search.</strong> <code>@</code> finds symbols. Use Ctrl + F for any text.</div>
  <div class="bad">โŒ <strong>Forgetting the file name.</strong> Without it, you search the current file only.</div>
  <div class="bad">โŒ <strong>Ctrl + P in Visual Studio.</strong> That prints. Use Ctrl + T or Ctrl + , there.</div>
  <div class="bad">โŒ <strong>Confusing <code>@</code> with <code>:</code>.</strong> A colon goes to a line number.</div>
  <div class="good">โœ… <strong>Do:</strong> name, at sign, symbol, Enter.</div>
</section>

<section id="tips">
  <h2>๐Ÿง  7. Pro Tips</h2>
  <div class="cards">
    <div class="card"><h3>๐Ÿ—‚๏ธ Type @:</h3>In VS Code, <code>@:</code> groups symbols by category.</div>
    <div class="card"><h3>โŒจ๏ธ Shortcut</h3><kbd>Ctrl</kbd>+<kbd>Shift</kbd>+<kbd>O</kbd> opens symbols in the current file.</div>
    <div class="card"><h3>๐Ÿ“ Mix modes</h3>Use <code>:42</code> for a line and <code>@name</code> for a symbol.</div>
    <div class="card"><h3>๐Ÿ› ๏ธ Remap</h3>Change shortcuts in Keyboard Shortcuts if they clash.</div>
  </div>
</section>

<section id="quiz">
  <h2>๐ŸŽฎ 8. Practice Quiz</h2>
  <p id="qcount" style="color:var(--muted)"></p>
  <div id="qbox"></div>
</section>

<section id="summary">
  <h2>๐Ÿ“Œ 9. Summary Cheat Sheet</h2>
  <div class="cmd"><code>Ctrl + P โ†’ app.js@handler โ†’ Enter</code><button class="btn small copy" data-copy="app.js@handler">๐Ÿ“‹</button></div>
  <table>
    <tr><td>Format</td><td><code>filename@search</code></td></tr>
    <tr><td>Finds</td><td>Symbols (functions, classes, variables)</td></tr>
    <tr><td>Any text</td><td><kbd>Ctrl</kbd>+<kbd>F</kbd> or <kbd>Ctrl</kbd>+<kbd>Shift</kbd>+<kbd>F</kbd></td></tr>
    <tr><td>Visual Studio</td><td><kbd>Ctrl</kbd>+<kbd>T</kbd> or <kbd>Ctrl</kbd>+<kbd>,</kbd> (Ctrl + P prints)</td></tr>
  </table>
  <p style="margin-top:12px">๐ŸŽ‰ Great job! Now explore any file in seconds.</p>
</section>
</main>

<footer>โœจ Generated by AI Prompt Dictionary ยท Made for curious beginners ๐Ÿ’œ</footer>

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  };
  var names=Object.keys(FILES);
  function symbols(f){var out=[];FILES[f].forEach(function(t,i){var m=t.match(/^(?:export\s+)?(?:function|const|class)\s+(\w+)/);if(m&&!/require/.test(t))out.push({name:m[1],line:i+1})});return out}
  var ide=$('#ide'),qo=$('#qo'),qi=$('#qi'),ql=$('#ql'),cur=[],sel=0,curFile=null,mode='file';
  function fuzzy(q,n){q=q.toLowerCase();n=n.toLowerCase();var i=0;for(var c=0;c<n.length&&i<q.length;c++){if(n[c]===q[i])i++}return i===q.length}
  function parse(v){var k=v.indexOf('@');return k<0?{name:v.trim(),at:false,q:''}:{name:v.slice(0,k).trim(),at:true,q:v.slice(k+1).trim()}}
  function addLi(text,small,i){var li=document.createElement('li');li.textContent=text;if(small){var s=document.createElement('small');s.textContent=small;li.appendChild(s)}if(i===0)li.className='sel';li.onclick=function(){pick(i)};ql.appendChild(li)}
  function list(){
    var p=parse(qi.value);sel=0;ql.textContent='';cur=[];
    if(p.at){
      var f=p.name?names.filter(function(n){return fuzzy(p.name,n)})[0]:curFile;
      if(!f){var li=document.createElement('li');li.textContent=p.name?'No matching file':'Open a file first, or type a file name before @';ql.appendChild(li);mode='none';return}
      mode='sym';
      cur=symbols(f).filter(function(s){return !p.q||fuzzy(p.q,s.name)}).map(function(s){return {file:f,name:s.name,line:s.line}});
      if(!cur.length){var l2=document.createElement('li');l2.textContent='No matching symbols in '+f;ql.appendChild(l2);return}
      cur.forEach(function(s,i){addLi(s.name,f+' ยท line '+s.line,i)});
    }else{
      mode='file';
      cur=(p.name?names.filter(function(n){return fuzzy(p.name,n)}):names.slice()).map(function(n){return {file:n}});
      if(!cur.length){var l3=document.createElement('li');l3.textContent='No matching files';ql.appendChild(l3);return}
      cur.forEach(function(s,i){addLi(s.file,'',i)});
    }
  }
  function mark(){$$('li',ql).forEach(function(l,i){l.classList.toggle('sel',i===sel)})}
  function openQO(){qo.classList.add('on');qi.value='';list();qi.focus()}
  function closeQO(){qo.classList.remove('on');ide.focus()}
  function show(f){
    var ed=$('#editor');ed.textContent='';
    FILES[f].forEach(function(t,n){var d=document.createElement('div');d.className='ln';var b=document.createElement('b');b.textContent=n+1;d.appendChild(b);d.appendChild(document.createTextNode(t));ed.appendChild(d)});
    $('#tabbar').textContent='๐Ÿ“„ '+f;curFile=f}
  function pick(i){
    var s=cur[i];if(!s||mode==='none')return;
    if(curFile!==s.file)show(s.file);
    var msg='Opened '+s.file+'.';
    $$('.ln').forEach(function(l){l.classList.remove('hit')});
    if(mode==='sym'){
      var el=$$('.ln',$('#editor'))[s.line-1];el.classList.add('hit');
      msg='Opened '+s.file+' and jumped to "'+s.name+'" on line '+s.line+'.';
      badge('b-demo','Symbol Hunter');boom()}
    $('#demoMsg').textContent='โœ… '+msg;closeQO()}
  ide.addEventListener('click',function(e){if(!qo.contains(e.target))ide.focus()});
  ide.addEventListener('keydown',function(e){
    if(e.ctrlKey&&!e.shiftKey&&(e.key==='p'||e.key==='P')){e.preventDefault();openQO()}
    else if(e.key==='Escape'&&qo.classList.contains('on')){closeQO()}});
  qi.addEventListener('input',list);
  qi.addEventListener('keydown',function(e){
    if(e.key==='ArrowDown'){e.preventDefault();sel=Math.min(sel+1,cur.length-1);mark()}
    else if(e.key==='ArrowUp'){e.preventDefault();sel=Math.max(sel-1,0);mark()}
    else if(e.key==='Enter'){e.preventDefault();pick(sel)}
    else if(e.key==='Escape'){closeQO()}});
  $('#openQO').onclick=openQO;

  // quiz
  var Q=[
    {q:'Which character do you type after the file name to search inside that file?',o:['@','#','$'],a:0,e:'The at sign switches Quick Open to symbol search.'},
    {q:'What does @ search for?',o:['Symbols such as functions and classes','Any word in any file','Only comments'],a:0,e:'For any text, use Ctrl + F or Ctrl + Shift + F.'},
    {q:'What does Ctrl + P do by default in full Visual Studio?',o:['Prints','Opens Quick Open','Searches symbols'],a:0,e:'Use Ctrl + T or Ctrl + , there instead.'}
  ],qn=0,score=0;
  function render(){
    var box=$('#qbox');
    if(qn>=Q.length){
      box.innerHTML='<h3>๐ŸŽ‰ Score: '+score+' / '+Q.length+'</h3><p>'+(score===Q.length?'Perfect! Symbol search master! ๐Ÿ”ญ':'Nice try! Retry to get them all.')+'</p><button class="btn" id="retry">๐Ÿ”„ Try again</button>';
      $('#qcount').textContent='Finished!';
      if(score===Q.length){badge('b-quiz','Quiz Champ');boom()}
      $('#retry').onclick=function(){qn=0;score=0;render()};return}
    var q=Q[qn];$('#qcount').textContent='Question '+(qn+1)+' of '+Q.length;
    box.innerHTML='<h3></h3>'+q.o.map(function(t,i){return '<button class="opt" data-i="'+i+'"></button>'}).join('')+'<p id="fb" aria-live="polite"></p>';
    $('h3',box).textContent=q.q;
    $$('.opt',box).forEach(function(b,i){b.textContent=q.o[i];b.onclick=function(){
      $$('.opt',box).forEach(function(x){x.disabled=true});
      if(i===q.a){b.classList.add('right');score++;$('#fb').textContent='๐ŸŽ‰ '+q.e;boom()}
      else{b.classList.add('wrong');$$('.opt',box)[q.a].classList.add('right');$('#fb').textContent='๐Ÿ’ช Not quite. '+q.e}
      setTimeout(function(){qn++;render()},1700)}});
  }
  render();

  // confetti
  var cv=$('#confetti'),cx=cv.getContext('2d'),parts=[],raf;
  function size(){cv.width=innerWidth;cv.height=innerHeight}size();addEventListener('resize',size);
  function boom(){
    if(matchMedia('(prefers-reduced-motion:reduce)').matches)return;
    var c=['#8b5cf6','#3b82f6','#10b981','#f59e0b','#f43f5e'];
    for(var i=0;i<110;i++)parts.push({x:innerWidth/2,y:innerHeight/3,vx:(Math.random()-.5)*14,vy:Math.random()*-12-2,s:Math.random()*7+3,c:c[i%5],l:100});
    cancelAnimationFrame(raf);loop()}
  function loop(){
    cx.clearRect(0,0,cv.width,cv.height);
    parts=parts.filter(function(p){return p.l>0});
    parts.forEach(function(p){p.x+=p.vx;p.y+=p.vy;p.vy+=.35;p.l--;cx.globalAlpha=Math.max(p.l/100,0);cx.fillStyle=p.c;cx.fillRect(p.x,p.y,p.s,p.s)});
    if(parts.length)raf=requestAnimationFrame(loop);else cx.clearRect(0,0,cv.width,cv.height)}
})();
</script>
</body>
</html>
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