Recommended read: PIPEFAIL: How a missing shell option slowed Cloudflare down https://blog.cloudflare.com/pipefail-how-a-missing-shell-option-slowed-cloudflare-down/
by 
Jamie Tanna
.
#shell
#scripting
#bash.
I've recently been doing similar with some of my utilities, albeit with an informal comparison between Ruby and Go versions, but would agree that for large, production critical scrips, this is a great way to do it
Recommended read: Rewriting Bash scripts in Go using black box testing https://stackoverflow.blog/2022/03/09/rewriting-bash-scripts-in-go-using-black-box-testing/
by Jamie Tanna
.
#command-line
#bash
#shell
#go.
The Bash logo was one of my proudest non-code open source contributions. So cool to see it on popular videos and articles. 😎
Justin Dorfman (@jdorfman)Sun, 27 Feb 2022 01:43 GMT
by Jamie Tanna
.
#art
#bash.
Recommended read: shell - What is the difference between the Bash operators [[ vs [ vs ( vs ((? - Unix & Linux Stack Exchange https://unix.stackexchange.com/questions/306111/what-is-the-difference-between-the-bash-operators-vs-vs-vs
by Jamie Tanna
.
#bash
#shell
#command-line.
The hardest problem in computer science is escaping a quotation mark in a bash string.
Lorin Hochstein (@norootcause)Mon, 17 May 2021 15:32 +0000
by Jamie Tanna
.
#bash
#shell.
Recommended read: Escaping strings in Bash using !:q | Simon Willison’s TILs https://til.simonwillison.net/til/til/bash_escaping-a-string.md
by Jamie Tanna
.
#bash
#shell.
TIL that you can use the "DEBUG" trap to step through a bash script line by line
🔎Julia Evans🔍 (@b0rk)Sat, 03 Oct 2020 15:24 +0000
by Jamie Tanna
.
#shell
#bash.
Recommended read: Take care editing bash scripts https://thomask.sdf.org/blog/2019/11/09/take-care-editing-bash-scripts.html
Surrounding a bash command with () will not persist directory changes So instead of cd ios && pod install && cd .. You can do: (cd ios && pod install) Pretty neat!Kadi Kraman (@kadikraman)Sat, 04 Apr 2020 14:59 +0000
by Jamie Tanna
.
#bash.
I used to write a lot of shell scripts before realising that what I was trying to do was treat shell scripting as a "full" scripting language (I won't define here what I mean by "full").
Its not - reach for a higher level scripting language like Ruby or Python when things are getting more complicated, and allow shell scripts to glue things together, or be for quick tasks maybe a few lines long.
When you do write them, this advice is great but it's definitely worth gaining understanding of when you should and shouldn't use them.
Recommended read: Anybody can write good bash (with a little effort) https://blog.yossarian.net/2020/01/23/Anybody-can-write-good-bash-with-a-little-effort
by Jamie Tanna
.
#command-line
#shell
#bash.
Recommended read: Bash $* and $@ https://eklitzke.org/bash-$*-and-$@
by Jamie Tanna
.
#bash.
Recommended read: Things You Didn't Know About GNU Readline https://twobithistory.org/2019/08/22/readline.html
Automating Promotion of Jekyll Posts from Draft to Post (2 mins read).
The handy script I've created to automate publishing a draft in Jekyll, with handy Zsh + Bash autocomplete.
by Jamie Tanna
.
#blogumentation
#automation
#jekyll
#zsh
#bash
#shell.
DevOpsDays London 2018 (51 mins read).
My writeup of my first DevOpsDays conference, and the awesome talks and conversations I was part of.
by Jamie Tanna
.
#devopsdays
#aws
#cloud
#devops
#capital-one
#cloud-custodian
#dashboards
#events
#bash
#monolith
#serverless
#management
#agile
#testing
#microservices.
Extracting SSL/TLS Certificate Chains Using OpenSSL (1 mins read).
A quick one-liner to get you the full certificate chain in .pem format.
by Jamie Tanna
.
#blogumentation
#bash
#shell
#oneliner
#openssl
#certificates.
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