<commit_before>const t = require('tape');
const azure = require('azure-storage');
const sc = require('skale').context();

const skip = process.env.AZURE_STORAGE_CONNECTION_STRING ? false : true;
const retry = new azure.ExponentialRetryPolicyFilter();
const az = azure.createBlobService().withFilter(retry);
const savedir = 'wasb://skalejs/save';
<commit_msg>instantiate azure context only if credentials are present<commit_after>const t = require('tape');
const azure = require('azure-storage');
const sc = require('skale').context();

const skip = process.env.AZURE_STORAGE_CONNECTION_STRING ? false : true;
const retry = new azure.ExponentialRetryPolicyFilter();
const az = skip ? null : azure.createBlobService().withFilter(retry);
const savedir = 'wasb://skalejs/save';

{'fraction_non_alphanumeric': 0.13695090439276486, 'fraction_numerical': 0.0, 'mean_word_length': 6.75, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '2926940', 'n_tokens_mistral': 235, 'n_tokens_neox': 235, 'n_words': 57}