pepoviola

Table of Contents

• set -e, -u, -x, -o pipefail
• set -e
• set -x
• set -u
• set -o pipefail
• Setting IFS
• Original Reference

set -e, -u, -x, -o pipefail

pepoviola

#!/usr/bin/env bash

## Get the primary and secundary IPs
awk '/\|--/ && !/\.0$|\.255$/ {print $2}' /proc/net/fib_trie

## Get only the primary IPs
awk '/32 host/ { print i } {i=$2}' /proc/net/fib_trie

pepoviola

#!/usr/bin/env bash

set -euxo pipefail

# get zombienet
curl -L -O https://github.com/paritytech/zombienet/releases/download/v1.2.14/zombienet-linux
chmod +x zombienet-linux

# get polkadot
curl -L -O https://github.com/paritytech/polkadot/releases/download/v0.9.15-1/polkadot

pepoviola

use std::fs::File;
use std::io::{prelude::*, BufReader, Write};
use std::process::Command;

use actix_multipart::Multipart;
use actix_web::{
    get, http::StatusCode, post, web, App, Error, HttpResponse, HttpServer, Responder,
};
use futures::{StreamExt, TryStreamExt};
use tempdir::TempDir;

pepoviola

use std::future::Future;
use std::pin::Pin;
use std::task::{Context, Poll};
use std::time::{Duration, Instant};

struct Inspect<F>(F);

impl<F: Future> Future for Inspect<F> {
    type Output = F::Output;

pepoviola

/// playground link https://play.rust-lang.org/?version=stable&mode=debug&edition=2018&gist=4dc3d523c44e52a90368a3ada41340d5 
use std::time::Duration;
use std::thread;
use std::thread::sleep;
use std::sync::{Arc,RwLock};

fn main() {
    let story_behind_arc = Arc::new( RwLock::new( String::from("Once upon a time..." )));
    let story_ref = story_behind_arc.clone();

pepoviola

#[cfg(test)]
mod tests {

 #[async_std::test]
    async fn index_page() -> tide::Result<()> {
	  use tide::http::{Url, Method, Request, Response};

      	  let mut app = tide::new();
      	  app.at("/").get(|_| async { Ok("Hello, world!") });
	  let url = Url::parse("https://example.com").unwrap();

pepoviola

exports.handler = async (event) => {
    console.log( 'process.traceDeprecation', process.traceDeprecation );
    Buffer(1);
    process.on('warning', (warning) => {
        console.log( 'stack of deprecation' );
        console.log(warning.stack);
    });    
};

pepoviola

const chromium = require( 'chrome-aws-lambda' );
const puppeteer = require( 'puppeteer-core' );

const browser = await puppeteer.launch( {
    args : chromium.args,
    defaultViewport : chromium.defaultViewport,
    executablePath : await chromium.executablePath,
    headless : chromium.headless,
  } );

pepoviola

# Add Google Chrome for AWS Lambda as dependency in your function.
# based on https://github.com/alixaxel/chrome-aws-lambda#aws-lambda-layer
nvm use lts/dubnium
mkdir -p node_modules/chrome-aws-lambda/
npm install lambdafs@~1.3.0 puppeteer-core@~1.20.0 --no-bin-links --no-optional --no-package-lock --no-save --no-shrinkwrap
npm pack chrome-aws-lambda
tar --directory node_modules/chrome-aws-lambda/ --extract --file chrome-aws-lambda-*.tgz --strip-components=1
rm chrome-aws-lambda-*.tgz