emmanuelnk’s gists

emmanuelnk / oneliner.bash

Created January 10, 2020 08:08

Convert all filenames in current directory to lowercase (Bash)

for i in $( ls | grep [A-Z] ); do mv -i $i `echo $i | tr 'A-Z' 'a-z'`; done

emmanuelnk / parse_dotenv.bash

Last active January 6, 2020 07:09 — forked from judy2k/parse_dotenv.bash

Parse a .env (dotenv) file directly using BASH

	# Export the vars in .env into your shell:
	export $(egrep -v '^#' .env \| xargs)

emmanuelnk / argument_parser.bash

Created November 21, 2019 03:12

Parse command-line arguments in bash easily

	# ./my_script.sh --arg1 value1 --arg2 value2 --arg3 value3
	# ./my_script.sh -a value1 -b value2 -c value3

	#!/usr/bin/env bash
	while [[ "$#" -gt 0 ]]; do case $1 in
	-a\|--arg1) var1="$2"; shift;;
	-b\|--arg2) var2="$2"; shift;;
	-c\|--arg3) var3="$2"; shift;;
	*) echo "Unknown parameter passed: $1"; exit 1;;
	esac; shift; done

emmanuelnk / .gitconfig

Last active January 6, 2020 07:10

Git Recent: Add git alias to display recently accessed branches in descending order (and with color!)

	[alias]
	recent = "!r(){ git for-each-ref --sort=-committerdate refs/heads --format='%(HEAD)%(color:yellow)%(refname:short)\|%(color:bold green)%(committerdate:relative)\|%(color:blue)%(subject)\|%(color:magenta)%(authorname)%(color:reset)' --color=always\|column -ts'\|'; }; r"

emmanuelnk / timestampUpdate.js

Last active August 14, 2019 03:01

Recursively update all timestamps in a document to current timestamps based on when the document/fixture was created (Moment.js, Node.js)

	// great for fixtures used in tests that need to stay up to date

	// needs moment.js
	const moment = require('moment')

	const updateTimestamps = (entity, baseTimestamp, path = '', tsFields) => {
	// usage: recusrively updates all Timestamps in a json fixture for tests
	const nowTs = moment().clone().startOf('hour')
	const diff = Math.abs(nowTs.diff(baseTimestamp, 'hours'))

emmanuelnk / git_clean.bash

Created July 4, 2019 08:17

Git: Clean out branches merged to master branch from local git repository (without deleting master branch)

git branch --merged master | grep -v "\master" | xargs -n 1 git branch -d

emmanuelnk / script.bash

Last active July 1, 2022 11:29

Installing vscode transparency/blur ubuntu 18.04

	# [UPDATE]

	# Its no longer complicated! Yay!

	# Install Glassit Linux VSCode Extension
	# then install this:
	sudo apt install -y wmctrl x11-utils bash

	# then restart VSCode. Done!

emmanuelnk / terraform_install_64bit_linux.bash

Created April 10, 2019 09:20

Install Terraform on 64 bit Linux

	# 0.XX.XX is the terraform version you need

	wget https://releases.hashicorp.com/terraform/0.XX.XX/terraform_0.XX.XX_linux_amd64.zip -P ~/Downloads/terraform/
	cd ~/Downloads/terraform && unzip terraform_0.11.8_linux_amd64.zip && cd terraform
	sudo mv terraform /usr/local/bin/
	nano ~/.bashrc
	export PATH="$PATH:/usr/local/bin/terraform"
	source ~/.bashrc

	# then from anywhere

emmanuelnk / DynamoDBClient.py

Last active June 28, 2024 15:46

Simple client wrapper library for Dynamodb access in Python (boto3)

	# based off the excellent gist by Martina Pugliese
	# https://gist.github.com/martinapugliese/cae86eb68f5aab59e87332725935fd5f


	import boto3
	from boto3.dynamodb.conditions import Key, Attr
	from boto3.dynamodb.types import DYNAMODB_CONTEXT

	dynamodb = boto3.resource("dynamodb")

emmanuelnk / safePromiseAllHandler.js

Last active February 13, 2019 08:19

Handling the fast-fail behavior of Promise.all when using async/await

	// TL,DR :
	// here is a wrapper for PromiseAll that handles rejection and avoids fast fail behavior
	const softPromiseAll = arr => {
	return Promise.all(arr.map(
	promise => new Promise(
	resolve => promise.then(resolve).catch(resolve)
	)
	)).then(results => results)
	}

Emmanuel emmanuelnk