Bash File to Prepare a Folder of Videos

video_prep.sh

#!/bin/bash

# Sanitize all filenames in the current directory using detox
for file in *
do
    new_file=$(detox "$file")
    if [ -n "$new_file" ] && [ "$new_file" != "$file" ] && [ ! -e "$new_file" ]
    then
        mv "$file" "$new_file"
    fi
done



# Create folders for each video file and move the file into the folder
for file in *.mp4 *.mov *.webm *.mkv
do
    if [ -f "$file" ]
    then
        # Create a folder for the video file using the sanitized filename
        folder=$(basename "$file" | sed 's/\.[^\.]*$//' | sed 's/[^[:alnum:]\.]/_/g')
        mkdir -p "$folder"
        mv "$file" "$folder/"

        # Get video resolution
        dimensions=$(ffprobe -v error -select_streams v:0 -show_entries stream=width,height -of csv=p=0 "$folder/$file")
        horizontal_dimensions=$(echo "$dimensions" | cut -d ',' -f 1)
        vertical_dimensions=$(echo "$dimensions" | cut -d ',' -f 2)
        framerate=$(ffprobe -v error -select_streams v:0 -show_entries stream=r_frame_rate -of default=noprint_wrappers=1:nokey=1 "$folder/$file")
        rounded_framerate=$(echo "($framerate+0.5)/1+1" | bc)

        # Extract audio from the video file and move to audio folder in the video folder
        ffmpeg -i "$folder/$file" -vn -acodec pcm_s16le -ar 44100 "$folder/audio.wav"
        mkdir -p "$folder/audio"
        mv "$folder/audio.wav" "$folder/audio/"

        # Get audio bitrate and write dimensions and bitrate to the filename
        bitrate=$(ffprobe -v error -select_streams a:0 -show_entries stream=bit_rate -of default=noprint_wrappers=1:nokey=1 "$folder/audio/audio.wav")
        bitrate=$(expr "$bitrate" / 1000)
        filename="${horizontal_dimensions}_${vertical_dimensions}_${rounded_framerate}fps_${bitrate}kbs.txt"
        echo "Video Resolution: $horizontal_dimensions x $vertical_dimensions" > "$folder/$filename"
        echo "Audio Bitrate: $bitrate kbps" >> "$folder/$filename"
        echo "Video Framerate: $framerate fps" >> "$folder/$filename"
        # Print Seperator to stdout
	for i in {1..3}
	do
	    printf '%*s\n' 90 | tr ' ' '*'
	done
	# Print Seperator to stdout
        echo "$folder/$filename"
	for i in {1..3}
	do
	    printf '%*s\n' 90 | tr ' ' '*'
	done

        # Extract images from the video file at the original framerate and move to images folder in the video folder
        mkdir -p "$folder/images"
        ffmpeg -i "$folder/$file" -q:v 0 -r "$framerate" -vf "scale='if(gt(iw,ih),min(256,iw),-1)':'if(gt(iw,ih),-1,min(256,ih))':force_original_aspect_ratio=decrease" "$folder/images/images-%03d.jpg"
    fi
done

# Remove empty directories
rmdir * >/dev/null 2>&1