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executable file 44 lines (33 sloc) 0.966 kb
#!/usr/bin/env node
node.stdio.open();
var buffered_cmd = '';
function prompt () {
node.stdio.write(buffered_cmd.length ? '... ' : "\nnode> ");
}
node.stdio.write("Welcome to the Node.js REPL.\n");
node.stdio.write("Enter ECMAScript at the prompt.\n");
node.stdio.write("Type Control-D to exit.\n");
node.stdio.write("For more information, see http://tinyclouds.org/node\n");
prompt();
var trimmer = /^\s*(.+)\s*$/m;
node.stdio.addListener("data", function (cmd) {
var matches = trimmer.exec(cmd);
if (matches && matches.length == 2) {
cmd = matches[1];
try {
buffered_cmd += cmd;
try {
node.stdio.write(JSON.stringify(eval(buffered_cmd)) + "\n");
buffered_cmd = '';
} catch (e) {
if (!(e instanceof SyntaxError))
throw e;
}
} catch (e) {
node.stdio.writeError('caught an exception: ' + e + '\n');
buffered_cmd = '';
}
}
prompt();
});
// vim:ft=javascript
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