Breaking Bash
Bash Script tips, tricks, functions, templates, best practices, etc.
General
BASH STRICT MODE
#!/bin/bash
set -euo pipefail
IFS=$'\n\t'
-e Immediately exit upon any non-zero exit code, just like c exits
after a seg fault or syntax error in python
-u Throws an error and immediately exits when you refernce a
variable that is undefined
-o pipefail Prevents errors in a pipeline from being maskedIFS
names=(
"Aaron Maxwell"
"Wayne Gretzky"
"David Beckham"
"Anderson da Silva"
)| WITHOUT STRICT | WITH STRICT-MODE IFS |
|---|---|
| Aaron | Aaron Maxwell |
| Maxwell | Wayne Gretzky |
| Wayne | David Beckham |
| Gretzky | Anderson da Silva |
| David | |
| Beckham | |
| Anderson | |
| da | |
| Silva |