Script template for --help/-h and --version - clone manually, because formatting will give errors.

template.sh

#!/bin/bash
 
# a short template for --help and --version
 
# Script declaration
SCRIPTNAME="${0##*[\\/]}"
SCRIPTVERSION="1.0"

function apphelp # This will be shown when you run (name) --help. 
{
        cat << EOF
Usage: $SCRIPTNAME
A description to your script can be listed here.
 
  -h, --help              display this help and exit
      --version           output version information and exit
EOF
}
 
 

if [[ "$1" == "-h" || "$1" == "--help" ]]; then
        apphelp
elif [[ "$1" == "--version" ]]; then
        echo "$SCRIPTNAME $SCRIPTVERSION"
elif [[ "$1" == "--m00h" ]]; then
        echo "Have you mooed today?"
else
        echo "Well, what do you want me to say? You haven't put any code!"
fi