Unzip only wav files from all the archives in the current dir and report skipped files.

unzip_wav_files.sh

#!/bin/bash

BOLD="\e[1m"
RESET="\e[0m"
RED="\e[31m"

total_wav=0

for zipfile in *.zip; do
    [ -e "$zipfile" ] || continue

    zipname="${zipfile%.zip}"
    mkdir -p "$zipname"

    # List all files inside the zip
    all_files=$(unzip -Z1 "$zipfile")

    # Files to extract (only *.wav)
    wav_files=$(echo "$all_files" | grep -i '\.wav$')

    # Files skipped (non-wav)
    skipped_files=$(comm -23 <(echo "$all_files" | sort) <(echo "$wav_files" | sort))

    # Report skipped files if any
    if [[ -n "$skipped_files" ]]; then
        echo -e "📦 ${BOLD}${zipname}${RESET}"
        while IFS= read -r f; do
            echo -e "  🚫 ${RED}$f${RESET}"
        done <<< "$skipped_files"
    fi

    # Extract only wav files
    if [[ -n "$wav_files" ]]; then
        unzip -q "$zipfile" '*.wav' -d "$zipname" || {
            echo -e "❌ Failed to extract .wav files from ${BOLD}$zipfile${RESET}"
            continue
        }
    else
        echo -e "📦 ${BOLD}${zipname}${RESET} has no .wav files to extract."
        # Clean up and continue to next zip
        rmdir "$zipname" 2>/dev/null || rm -r "$zipname"
        continue
    fi

    # Rename and copy wav files
    shopt -s nullglob
    for file in "$zipname"/*; do
        [ -f "$file" ] || continue
        filename="$(basename "$file")"
        newname="${zipname}_${filename}"
        mv "$file" "$zipname/$newname"
        cp "$zipname/$newname" ./
        ((total_wav++))
    done
    shopt -u nullglob

    # Clean up extraction directory
    rmdir "$zipname" 2>/dev/null || rm -r "$zipname"
done

echo -e "\n✅ ${BOLD}${total_wav}${RESET} .wav file(s) extracted and copied."