Function

Bash

• Bash: function { }

log() {
	 echo "[$(date --rfc-3339=seconds)]: $*"
}

error() {
  	 echo "[$(date --rfc-3339=seconds)]: $*"
 	 exit 1
}

Python

• def python

See also

• Bash, alias, &&, Bash history, Autocompletion, set, unset, export, .bashrc and .bash profile, PS1, echo, brace expansion, Function, shopt, trap, set -e, source (command)
• Programming: C, go, loop, While, for, if, variable assignment, Error handling, Regex, Function