Notes on bash scripting

bash_notes.md

Useful resources for Bash witchcraft

How to detect if a command is available (or hash vs command -v vs type)

• https://stackoverflow.com/questions/592620/check-if-a-program-exists-from-a-bash-script#677212

Using arrays

• http://www.tldp.org/LDP/abs/html/arrays.html

Testing for files

• http://tldp.org/LDP/abs/html/fto.html

dotfiles precedence

• https://askubuntu.com/questions/121073/why-bash-profile-is-not-getting-sourced-when-opening-a-terminal#121075
• http://mywiki.wooledge.org/DotFiles

Bash functions return values "best" practices

• https://www.linuxjournal.com/content/return-values-bash-functions

Testing/dryrunning a script

• bash -n myscript.sh

bash options

http://wiki.bash-hackers.org/internals/shell_options