#!/bin/bash unzip wav_part1.zip SOURCE_DIR="main/DATA/wav/" declare -A FILE_LISTS=( ["train_bvcc.txt"]="wav/train" ["val_bvcc.txt"]="wav/val" ["test_bvcc.txt"]="wav/test" ) for list_file in "${!FILE_LISTS[@]}"; do dest_dir="${FILE_LISTS[$list_file]}" while IFS= read -r filename; do source_file="$SOURCE_DIR$filename" cp "$source_file" "$dest_dir" done < "$list_file" done