webm-to-mp4.sh

#!/usr/bin/env bash
printf "\e[3;4mScanning...\e[0m\r"

FILES=`find ./*.webm -maxdepth 1 -type f 2>/dev/null`
FILES=($FILES)

MAX_FILE_LEN=-1
for str in "${FILES[@]}"; do
    filename=$(basename -- "$str")
    extension="${filename##*.}"
    filename="${filename%.*}"

    if [[ ${#filename} -gt ${MAX_FILE_LEN} ]]; then
        MAX_FILE_LEN=${#filename}
    fi
done

total="${#FILES[@]}"

success=0
for filepath in "${FILES[@]}"; do
    location="$PWD"

    filename=$(basename -- "$filepath")
    extension="${filename##*.}"
    filename="${filename%.*}"

    oldName="${filename}.${extension}"
    newName="${filename}.mp4"

    oldFull="${location}/${oldName}"
    newFull="${location}/${newName}"

    if [ -f "$newFull" ]; then
        if [ -f "$oldFull" ]; then
            # kioclient5 move "$newFull" trash:/ 2>/dev/null
            rm "$newFull"
        fi
    fi

    printf "Converting \e[1;36;40m%-${MAX_FILE_LEN}s\e[0m from \e[1m\`%s\`\e[0m to \e[1m\`%s\`\e[0m... " "$filename" "$extension" "mp4"

    __OLD_TIMEFORMAT=$TIMEFORMAT
    export TIMEFORMAT='%3lR'
    res=`(time ffmpeg -y -loglevel panic -i "$oldFull" "$newFull") 2>&1`
    res_exit_code=$?
    cmd_duration=$(echo "$res" | tail -n1)
    export TIMEFORMAT=${__OLD_TIMEFORMAT}
    unset __OLD_TIMEFORMAT

    if [[ "$res_exit_code" -ne '0' ]]; then
        echo -e "\e[1;101m DEAD \e[0m $res_exit_code"
        rm "$newFull" 2>/dev/null
        continue
    fi

    if [ -z `find "$newFull" -maxdepth 1 -type f -size +1k 2>/dev/null` ]; then
        echo -e "\e[1;101m FAIL \e[0m"
        rm "$newFull" 2>/dev/null
        continue
    fi

    touch -r "$oldFull" "$newFull"
    # kioclient5 move "$oldFull" trash:/ 2>/dev/null
    rm "$oldFull"
    echo -e "\e[30;42m DONE \e[0m \e[4m$cmd_duration\e[0m"
    ((success++))
done

echo -e "\e[30;42m FINISHED $success/$total \e[0m"