converts 7z files to rvz ones

torvz.sh

#!/bin/bash

shopt -s nullglob

for file in *.7z; do

   echo "----------------------------------------------"
   echo "Processing: ${file}"
   DEST=".torvz_${file%.*}"

   # 1. Extração com progresso filtrado
   echo -n "Extracting: "
   #TODO: filtering progress is not working properly
   7z x "${file}" -o"${DEST}" -y 2>&1 | grep -oP '\d+%' | while read -r prog; do
       # echo -ne "\rExtracting: $prog"
   done
   echo -e "\rExtracting: 100% - Done!          "


   # 2. Localização da ISO
   ISO_PATH=( "${DEST}"/* )
   ISO=$(basename "${ISO_PATH}")
   RVZ_OUT="./${ISO%.*}.rvz"

   # 3. Dolphin Tool (Silencioso)
   echo "Converting to RVZ..."
   ./Dolphin_Emulator-2512-anylinux-x86_64.AppImage dolphin-tool convert \
      -i "${DEST}/${ISO}" \
      -o "$RVZ_OUT" \
      -f rvz -s -b 131072 -c zstd -l 5 > /dev/null 2>&1

   # 4. Coleta de dados
   ORIGINAL_SIZE_H=$(du -h "${DEST}/${ISO}" | cut -f 1)
   RVZ_SIZE_H=$(du -h "$RVZ_OUT" | cut -f 1)
   ISO_SIZE_B=$(stat -c%s "${DEST}/${ISO}")
   RVZ_SIZE_B=$(stat -c%s "$RVZ_OUT")

   RATIO=$(echo "scale=4; $RVZ_SIZE_B / $ISO_SIZE_B" | bc | sed 's/^\./0./')
   PERC=$(echo "scale=2; (1 - ($RVZ_SIZE_B / $ISO_SIZE_B)) * 100" | bc)
   
    # 5. Relatório
   cat <<- EOF

        ==============================================
        CONVERSION REPORT:
        ==============================================
        File:           $ISO
        Original Size:  $ORIGINAL_SIZE_H
        RVZ Size:       $RVZ_SIZE_H
        Ratio:          $RATIO
        Reduction:      $PERC%
        ==============================================

        EOF

        # 6. Limpeza
   rm -rf "${DEST}"
done