Bash Shell Boilerplate

README.md

Bash Shell Boilerplate

Boilerplate for bash cli with arguesments.

bash-shell-boilerplate.sh

#!/usr/bin/env bash

set -o errexit
set -o pipefail
set -o nounset
# set -o xtrace

##### Magic Variables

# Set magic variables for current file & dir
__dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
__file="${__dir}/$(basename "${BASH_SOURCE[0]}")"
__base="$(basename ${__file} .sh)"
__root="$(cd "$(dirname "${__dir}")" && pwd)" # <-- change this as it depends on your app

arg1="${1:-}"

printf "${__dir}\n"
printf "${__file}\n"
printf "${__base}\n"
printf "${__root}\n"

##### Functions

usage()
{
    echo "usage: bash-shell-boilerplate.sh [[[-f file ] [-i]] | [-h]]"
}

##### Main

while [ "$1" != "" ]; do
    case $1 in
        -f | --file )           shift
                                filename=$1
                                ;;
        -i | --interactive )    interactive=1
                                ;;
        -h | --help )           usage
                                exit
                                ;;
        * )                     usage
                                exit 1
    esac
    shift
done