Generate some short names for little services, devices, drives, etc etc.

generate_short_name.sh

#!/usr/bin/env bash
#######
# https://github.com/dschreck
#
# Generate a short name for a resource, service, disk, container, etc etc.
# Modify the adjs and nouns arrays to customize the name generation.
#
# Examples:
#   $ ./bin/generate_short_name
#   mystic-link
#
#   $ ./bin/generate_short_name --with-numbers
#   red-hub-98
#
#   $ ./bin/generate_short_name -s _ -n 5
#   slow_unit
#   blue_array
#   red_vertex
#   fast_node
#   bold_vault
#
#######

adjs=(
    "fast" "red" "slow" "blue" "tiny" "bold" "icy" "quick" "tidy" "mystic" "cosmic"
)

nouns=(
    "disk" "array" "unit" "drive" "node" "hub" "anchor" "vertex" "byte" "core" "link" "vault"
)

show_help() {
    echo "Usage: $0 [options]" >&2
    echo ""
    echo "Options:"
    echo "  --with-numbers          Include a numeric identifier at the end of each name."
    echo "  -s, --separator <char>  Specify a separator character or string between name parts."
    echo "  -n, --number <count>    Generate <count> names. Default is 1."
    echo "  -h, --help              Display this help and exit."
    echo ""
    echo "Examples:"
    echo "  $0"
    echo "  $0 --with-numbers"
    echo "  $0 -s _ -n 5"
    echo ""
}

include_numbers=false
separator="-"
count=1

while [[ "$#" -gt 0 ]]; do
    case $1 in
    --with-numbers) include_numbers=true ;;
    -s | --separator)
        separator="$2"
        shift
        ;;
    -n | --number)
        count="$2"
        shift
        ;;
    -h | --help)
        show_help
        exit 0
        ;;
    *)
        echo "Unknown option: $1"
        show_help
        exit 1
        ;;
    esac
    shift
done

# Function to generate a short name
generate_short_name() {
    # Random selection of adjective and noun
    local adj="${adjs[$RANDOM % ${#adjs[@]}]}"
    local noun="${nouns[$RANDOM % ${#nouns[@]}]}"
    local name="${adj}${separator}${noun}"

    if [[ "$include_numbers" = true ]]; then
        # Generate a short numeric identifier, for example, between 0 and 99
        local num=$((RANDOM % 100))
        name="${name}${separator}${num}"
    fi

    echo "$name"
}

for ((i = 1; i <= count; i++)); do
    generate_short_name
done