lilsound

#!/usr/bin/env bash
#
# Play a sound from lilsound.sounds/ folder.
#
# - No args: play the first sound in the folder.
# - With args: hash the input and choose a stable sound index.
#
# Usage:
#
#   lilsound [<SEED-TEXT>...]
#
# Examples:
#
#   lilsound
#   lilsound 12345
#   lilsound "finished tests"
#
# author: andreasl

set -euo pipefail

script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
sound_dir="${script_dir}/lilsound.sounds"

shopt -s nullglob
all_entries=("${sound_dir}"/*)
shopt -u nullglob

sound_files=()
for entry in "${all_entries[@]}"; do
    if [[ -f "${entry}" ]]; then
        sound_files+=("${entry}")
    fi
done

if ((${#sound_files[@]} > 1)); then
    mapfile -t sound_files < <(printf '%s\n' "${sound_files[@]}" | LC_ALL=C sort)
fi

if ((${#sound_files[@]} == 0)); then
    echo "Error: no sounds found in ${sound_dir}" >&2
    exit 1
fi

if (($# == 0)); then
    sound_index=0
else
    input_text="$*"
    checksum_output="$(printf '%s' "${input_text}" | cksum)"
    checksum_value="${checksum_output%% *}"
    sound_index=$((checksum_value % ${#sound_files[@]}))
fi

ffplay -nodisp -autoexit "${sound_files[${sound_index}]}" 2>/dev/null