add support for opening a file without loading, fix a resolvePath bug in touch, add file command

clite/commands.js

@@ -218,11 +218,7 @@ Options:
 				}
 			}
 		}else if (file == null) {
-			if (args[i][0] == '/') {
-				file = args[i];
-			}else{
-				file = stdlib.resolvePath(args[i],false);
-			}
+			file = stdlib.resolvePath(args[i],false);
 		}else{
 			io.error('unknown argument: '+args[i]);
 		}
@@ -242,14 +238,102 @@ Options:
 });
 
 clite.commands.load('less',function(args,env,io) {
+	io.write('less is under development');
 	return 0;
 });
 
 clite.commands.load('view',function(args,env,io) {
+	io.write('view is under development');
 	return 0;
 });
 
 clite.commands.load('edit',function(args,env,io) {
+	io.write('edit is under development');
+	return 0;
+});
+
+clite.commands.load('file',function(args,env,io) {
+	var short = '';
+	var file = null;
+	var stdlib = io.include('stdlib');
+	var stdio = io.include('stdio');
+	function help() {
+		io.write(`
+file - determine type of FILE
+Usage: touch [OPTION] [FILE]
+
+Options:
+-?	Print this help information
+		`);
+	}
+
+	for (var i=1; i<args.length; i++) {
+		if (args[i][0] == '-') {
+			for (var j=1; j<args[i].length; j++) {
+				switch (args[i][j]) {
+				case '?':
+					help();
+					return 0;
+					break;
+				default:
+					io.error('unknown argument: -'+args[i][j]);
+				}
+			}
+		}else if (file == null) {
+			short = args[i];
+			file = stdlib.resolvePath(args[i],false);
+		}else{
+			io.error('unknown argument: '+args[i]);
+		}
+	}
+
+	if (file == null) {
+		io.error('no file specified');
+		return 1;
+	}
+
+	var fd = stdio.open(file,false);
+	if (!fd) {
+		io.error('cannot open file: '+file);
+		return 1;
+	}
+
+	var t = stdlib.getFileType(fd);
+	stdio.close(fd);
+
+	var txt = short+': ';
+	switch (t) {
+	case 1:
+		txt += 'Plain Text';
+		break;
+	case 2:
+		txt += 'CLIte Executable';
+		break;
+	case 3:
+		txt += 'Directory';
+		break;
+	case 4:
+		txt += 'Link';
+		break;
+	case 5:
+		txt += 'Device File';
+		break;
+	case 6:
+		txt += 'Unloaded Remote Data';
+		break;
+	case 7:
+		txt += 'Shell Script';
+		break;
+	case 8:
+		txt += 'Image';
+		break;
+	default:
+		txt += 'Unknown Data';
+		break;
+	}
+
+	io.write(txt);
+
 	return 0;
 });
 

clite/core.js

@@ -326,7 +326,9 @@ clite.io = {
 					callback:cb
 				}
 			});
-			if (p) {
+			if (cb == false) {
+				fd.remote.callback = null;
+			}else if (p) {
 				clite.core.load.file(n.data.remote,function(d) {
 					n.data.content = d;
 					fd.remote.ispending = false;