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#!/usr/bin/env bash
find . -type f -name package-lock.json -not -regex ".*node_modules.*" -delete

skratchdot

#!/bin/bash

for i in $(sox −h | grep "AUDIO FILE FORMATS: " | sed -e "s/AUDIO FILE FORMATS: //")
do
  FNAME="sox-sine.$i"
  echo "$FNAME"
  sox -n "$FNAME" synth .1 sine 440
  mediainfo "$FNAME"
  # remove files that can't be read by sox
  soxi "$FNAME" || rm "$FNAME"

skratchdot

#!/bin/bash

# https://unix.stackexchange.com/questions/40638/how-to-do-i-convert-an-animated-gif-to-an-mp4-or-mv4-on-the-command-line/294892#294892
ffmpeg -i animated.gif -movflags faststart -pix_fmt yuv420p -vf "scale=trunc(iw/2)*2:trunc(ih/2)*2" video.mp4

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Description

A few phone signals via sox commands.

More details:

• http://www.telephonetribute.com/signal_and_circuit_conditions.htm

For info about touch tone / dtmf, see:

• https://www.audiocheck.net/audiocheck_dtmf.php

SOX COMMANDS

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#!/usr/bin/env bash

# found these useful commands here:
# https://unix.stackexchange.com/questions/60776/list-all-files-binaries-in-current-path/60808#60808

# 
# compgen -c # will list all the commands you could run.
# compgen -a # will list all the aliases you could run.
# compgen -b # will list all the built-ins you could run.
# compgen -k # will list all the keywords you could run.

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IndexedDB:

• https://www.npmjs.com/package/fruitdown
• https://www.npmjs.com/package/pouchdb
• https://www.npmjs.com/package/localforage
• https://www.npmjs.com/package/ydn.db
• https://www.npmjs.com/package/lovefield
• https://www.npmjs.com/package/dexie
• https://www.npmjs.com/package/level-js

see also: https://nolanlawson.github.io/database-comparison-worker-pouch/

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import webdriver from 'selenium-webdriver';

const getDriver = async () =>
  new webdriver.Builder()
    .forBrowser('chrome')
    .withCapabilities({
      browserName: 'chrome',
      chromeOptions: {
        args: ['headless'],
        binary: '/Applications/Google Chrome Canary.app/Contents/MacOS/Google Chrome Canary'

skratchdot

#!/bin/bash
find ~/.nvm/versions/node/*/lib/node_modules \
-mindepth 1 -maxdepth 1 -type d -exec basename {} \; | sort | uniq

skratchdot

A collection of jscodeshift transforms

• https://github.com/facebook/jscodeshift
• https://astexplorer.net/

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const suits = ['hearts', 'clubs', 'spades', 'diamonds'];
const cards = ['joker', 'ace', 2, 3, 4, 5, 6, 7, 8, 9, 10, 'jack', 'queen', 'king'];
const deck = Array.from({ length: 52 }, (_, i) => ({i, suit: suits[i % 4], card: cards[i % 13] }));