ls and skills commands

react/resume/src/emulator/commands/cat.js

@@ -9,9 +9,9 @@ const fs = require('../fs');
 module.exports = (argv, terminal) => {
     if (argv.indexOf('--help') != -1) {
         terminal.writeln(`Usage: ${argv[0]} [files] [-n]`);
-        terminal.writeln('  -n --number: show lines numbers');
-        terminal.writeln('     --help:   show this help');
-        terminal.writeln('Reads file into stdout');
+        terminal.writeln('  -n --number  show lines numbers');
+        terminal.writeln('     --help    show this help');
+        terminal.writeln('Read files into stdout');
         return;
     }
     const numbers = (argv.indexOf('-n') != -1) || (argv.indexOf('--number') != -1);
@@ -20,11 +20,16 @@ module.exports = (argv, terminal) => {
     files.shift();
     files.forEach(file => {
         const lines = fs.readFileSync(file).toString().split('\n');
-        let i = 1;
-        lines.forEach(line => {
-            if (numbers) terminal.write('\033[35m' + i + ' |\033[0m ');
-            terminal.writeln(line);
-            i++;
+        
+        if (numbers) {
+            lines.forEach((line, i) => {
+                terminal.write('\033[35m' + i + ' |\033[0m ');
             })
+        } else {
+            terminal.write(file);
+            /// print % if no newline at eof
+            if (lines[lines.length - 1] != '') 
+                terminal.write('\033[30;47m%\033[0m\n');
+        }
     })
 }

react/resume/src/emulator/commands/ls.js

@@ -0,0 +1,60 @@
+const { Terminal } = require('xterm');
+const fs = require('../fs');
+
+/**
+ * 
+ * @param {string[]} argv 
+ * @param {Terminal} terminal 
+ */
+module.exports = (argv, terminal) => {
+    if (argv.indexOf('--help') != -1) {
+        terminal.writeln(`Usage: ${argv[0]} [dirs] [-a|--all] [-l]`);
+        terminal.writeln('Lists files in directories');
+        terminal.writeln('  -a --all List all files (including those who start with .)');
+        terminal.writeln('  -l       Use long listing format');
+        return;
+    }
+
+    const has_arg = (arg) => {return argv.indexOf(arg) != -1};
+
+    let directories = [...argv];
+
+    const all = (has_arg('-a') || has_arg('--all'));
+    const long_format = has_arg('-l');
+
+    directories.shift();
+
+    // remove .* files if -a not specified
+    if (!all)
+        directories = directories.filter(x => x.startsWith('.'));
+    
+    // remove arguments
+    directories = directories.filter(x => !x.startsWith('-'));
+
+    if (directories.length == 0) directories = ['.'];
+
+    // remove dublicates
+    directories = [...new Set(directories)];
+
+    directories.forEach((dir, i) => {
+        
+        if (directories.length != 1) {
+            terminal.writeln(dir + ':');
+            terminal.writeln('');
+        }
+
+        let files = fs.readdirSync(dir);
+        files.forEach((file, i) => {
+            
+            if (!fs.accessSync(file, fs.constants.X_OK))
+                terminal.write('\033[1;32m');
+            if (fs.accessSync(file, fs.constants.R_OK))
+                terminal.write('\033[35m');
+
+            terminal.write(file + '\033[0m  ');
+            if ((i+1) % 5 == 0)
+                terminal.writeln('');
+        });
+        terminal.writeln('');
+    })
+}

react/resume/src/emulator/commands/skills.js

@@ -0,0 +1,3 @@
+module.exports = (argv, terminal) => {
+    terminal.write('uwu\nowo\n');
+}