heroku-style codenames

codename.sh

#!/bin/bash

adjectives=(
    aged autumn
    billowing bitter black blue bold broken
    cold cool crimson
    damp dark dawn delicate divine dry
    empty
    falling floral fragrant frosty
    green
    hidden holy
    icy
    late lingering little long
    misty morning muddy
    old
    patient proud
    quiet
    red restless rough
    shy silent small snowy solitary sparkling spring still summer
    twilight
    wandering weathered white wild winter wispy withered
    young
)

nouns=(
    bird breeze brook bush butterfly
    cherry cloud
    darkness dawn dew dream dust
    feather field fire firefly flower fog forest frost
    glade glitter grass
    haze hill
    lake leaf
    meadow moon morning mountain
    night
    paper pine pond
    rain resonance river
    sea shadow shape silence sky snow snowflake sound sun sunset surf
    thunder tree
    violet voice
    water waterfall wave wildflower wind wood
)

for i in $(seq 1 ${1:-1}); do
    adjective=${adjectives[$(( $(jot -r 1 1 ${#adjectives[@]}) - 1 ))]}
    noun=${nouns[$(( $(jot -r 1 1 ${#nouns[@]}) - 1 ))]}
    echo "${adjective}-${noun}"
done