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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Linux Practice Tool</title>
<style>
body {
font-family: 'Courier New', monospace;
background-color: #300a24;
color: #ffffff;
margin: 0;
padding: 10px;
}
#terminal {
width: 100%;
height: 100vh;
overflow-y: auto;
}
#output {
white-space: pre-wrap;
}
#input-line {
display: flex;
margin-top: 10px;
}
#prompt {
color: #4e9a06;
margin-right: 5px;
}
#command-input {
flex-grow: 1;
background-color: transparent;
border: none;
color: #ffffff;
font-family: inherit;
font-size: inherit;
outline: none;
}
.directory { color: #3465a4; }
.executable { color: #4e9a06; }
.image { color: #75507b; }
.archive { color: #c4a000; }
.text { color: #cc0000; }
</style>
</head>
<body>
<div id="terminal">
<div id="output"></div>
<div id="input-line">
<span id="prompt">$</span>
<input type="text" id="command-input" autofocus>
</div>
</div>
<script>
const output = document.getElementById('output');
const input = document.getElementById('command-input');
let commandHistory = [];
let historyIndex = -1;
let currentDirectory = '/';
input.addEventListener('keydown', async (event) => {
if (event.key === 'Enter') {
event.preventDefault();
const command = input.value.trim();
if (command) {
commandHistory.push(command);
historyIndex = commandHistory.length;
await executeCommand(command);
}
input.value = '';
} else if (event.key === 'ArrowUp') {
event.preventDefault();
if (historyIndex > 0) {
historyIndex--;
input.value = commandHistory[historyIndex];
}
} else if (event.key === 'ArrowDown') {
event.preventDefault();
if (historyIndex < commandHistory.length - 1) {
historyIndex++;
input.value = commandHistory[historyIndex];
} else {
historyIndex = commandHistory.length;
input.value = '';
}
}
});
async function executeCommand(command) {
if (command.toLowerCase() === 'help') {
displayHelp();
} else {
output.innerHTML += `<span id="prompt">$</span> ${command}\n`;
try {
const response = await fetch('/execute', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify({ command, currentDirectory }),
});
const data = await response.json();
if (response.ok) {
if (command.startsWith('cd ')) {
currentDirectory = data.currentDirectory;
}
output.innerHTML += colorize(data.output);
if (data.error) {
output.innerHTML += `<span style="color: #cc0000;">Error: ${data.error}</span>\n`;
}
} else {
output.innerHTML += `<span style="color: #cc0000;">Error: ${data.detail}</span>\n`;
}
} catch (error) {
output.innerHTML += `<span style="color: #cc0000;">Error: ${error.message}</span>\n`;
}
}
output.scrollTop = output.scrollHeight;
}
function colorize(text) {
const lines = text.split('\n');
return lines.map(line => {
return line.replace(/(\S+)/g, (match) => {
if (match.endsWith('/')) return `<span class="directory">${match}</span>`;
if (match.endsWith('.exe') || match.endsWith('.sh')) return `<span class="executable">${match}</span>`;
if (match.match(/\.(jpg|jpeg|png|gif|bmp)$/i)) return `<span class="image">${match}</span>`;
if (match.match(/\.(zip|tar|gz|rar)$/i)) return `<span class="archive">${match}</span>`;
if (match.match(/\.(txt|md|log)$/i)) return `<span class="text">${match}</span>`;
return match;
});
}).join('\n');
}
function displayHelp() {
const helpText = `
Available commands:
- ls: List directory contents
- cd: Change directory
- pwd: Print working directory
- echo: Display a line of text
- cat: Concatenate files and print on the standard output
- grep: Print lines that match patterns
- find: Search for files in a directory hierarchy
- touch: Change file timestamps
- mkdir: Make directories
- rm: Remove files or directories
- cp: Copy files and directories
- mv: Move (rename) files
Type 'help' to see this message again.
`;
output.innerHTML += helpText;
}
// Focus on input when clicking anywhere in the terminal
document.getElementById('terminal').addEventListener('click', () => {
input.focus();
});
// Initial welcome message
output.innerHTML = "Welcome to the Linux Practice Tool!\nType 'help' for a list of available commands.\n\n";
</script>
</body>
</html> |