props

#! /usr/bin/env bash
BASEDIR=$(dirname $0); cd $BASEDIR

. ./env-vars

__usage_page() {
    echo "Show the environment variables defined in the 'env-vars' file."
    echo ;
    echo "Usage: $(basename $0) [<option>]*"
    echo "Option:"
    echo "    -h: Displays this help message"
    exit 0
}

while getopts "h" opt; do
    case "$opt" in
        h)
            __usage_page
            ;;
    esac
done

_prop_name=${1:-}

if [ -n "$_prop_name" ]; then
    _prop_value=$( eval "echo \$$_prop_name" )
    echo "$_prop_value"
    exit 0
fi

_all_props=( $( cat $ENV_VARS_FILE | grep '^.*=.*' | grep -v '^#.*' | cut -d "=" -f 1 ) )

echo "Select an environment variable:"
for _idx in "${!_all_props[@]}"; do
    _prop_name="${_all_props[$_idx]}"
    _prop_value=$( eval "echo \$$_prop_name" )

    if [ -z "$_prop_value" ]; then
        echo "$((_idx+1))) $_prop_name <empty>"
    else
        echo "$((_idx+1))) $_prop_name"
    fi
done
read -p "env-index> " _prop_index

if [ -z "$_prop_index" ]; then
    echo "Invalid environment variable index"
    _stopped
fi

_prop_name="${_all_props[$((_prop_index-1))]}"

if [ -z "$_prop_name" ]; then
    echo "Invalid environment variable index"
    _stopped
fi

echo ;

_prop_value=$( eval "echo \$$_prop_name" )

if [ -z "$_prop_value" ]; then
    echo "$_prop_name=<empty>"
else
    echo "$_prop_name=$_prop_value"
fi

echo -n "$_prop_value" | xclip -sel clip
echo Copied!!

_completed