Of course, you can list up to the last 1000 tasks for the project that you have access to by doing:
bq ls -j --max_results=1000 project_number
If you have more than 1000 tasks, you can also write a Python script to list all the tasks by paging through the results in batches of 1000 - for example:
import httplib2 import pprint import sys from apiclient.discovery import build from apiclient.errors import HttpError from oauth2client.client import AccessTokenRefreshError from oauth2client.client import OAuth2WebServerFlow from oauth2client.client import flow_from_clientsecrets from oauth2client.file import Storage from oauth2client.tools import run
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