Random restore-to-inbox

README

Google Apps Script is clunky. You have to make a spreadsheet in Google Docs, then Tools->Script Editor. Then you can paste this code in a new project. Try running it once to make sure it works, then under Triggers select moveRandomSnoozes, time-based, and whatever frequency you want. (I had it going daily, but just changed the probabilities and set it to hourly; we'll see how I like that.)

This was partly based on the Gmail Snooze script that was making the rounds a few months ago.

randomSnooze.js

function setup() {
  // Create the labels we’ll need for snoozing
  GmailApp.createLabel("r1");
  GmailApp.createLabel("r5");
}

function moveRandomSnoozes() {
  _move('r1', 0.005);
  _move('r5', 0.05);
}

function _move(labelName, frac) {
  var label = GmailApp.getUserLabelByName(labelName);
  var page = null, start=0;
  while (true) {
    var toMove = [];
    page = label.getThreads(start, 100);
    if (page.length == 0) break;
    for (var i=0; i<page.length; i++) {
      if (Math.random() < frac) {
        toMove.push(page[i]);
      }
    }
    GmailApp.moveThreadsToInbox(toMove);
    label.removeFromThreads(toMove);
    start = start + page.length - toMove.length;
  }
}