Function installed

lib/completion.js:208–214

(marker, completer, cb)

}

function installed (marker, completer, cb) {
  readRc(completer, function(err, file) {
    if(err) return cb(err);
    var installed = file.match(marker);
    return cb(!!installed);
  });
}

function parseEnv() {
  var args = process.argv.slice(2),