AVI to MP4

avi-to-mp4.bat

@echo off

set input_folder=C:\path\to\avi\files

if not exist "%input_folder%\converted" mkdir "%input_folder%\converted"

for %%f in ("%input_folder%\*.avi") do (
    ffmpeg -i "%%f" -c:v libx264 -c:a aac -b:a 192k "%input_folder%\converted\%%~nf.mp4"
    move "%%f" "%input_folder%\converted"
)

echo Conversion complete.

avi-to-mp4.sh

#!/bin/bash

# Specify the folder containing the .avi files
input_folder="/path/to/avi/files"

# Create the subfolder for the converted files if it doesn't exist
if [ ! -d "${input_folder}/converted" ]; then
    mkdir "${input_folder}/converted"
fi

# Convert each .avi file to .mp4 and move it to the subfolder
for file in "${input_folder}"/*.avi; do
    if [ -f "$file" ]; then
        ffmpeg -i "$file" -c:v libx264 -c:a aac -b:a 192k "${input_folder}/converted/$(basename "${file/.avi/.mp4}")"
        mv "$file" "${input_folder}/converted"
    fi
done

echo "Conversion complete."