mirror of
https://github.com/natelandau/shell-scripting-templates.git
synced 2025-11-08 13:13:47 -05:00
Started work adding music
This commit is contained in:
Nathaniel Landau
184
bin/convertMedia
184
bin/convertMedia
@@ -89,6 +89,7 @@ function mainScript() {
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# Constants
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dependencies=(ffmpeg gifsicle jq)
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videoTypes=(mp4 mov avi mkv wmv flv ogg m4p m4v 3gp divx h264)
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musicTypes=(mp3 avi m4a aiff aac m4p wav wma)
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function checkDependencies() {
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for i in "${dependencies[@]}"; do
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@@ -122,7 +123,7 @@ function outputDir() {
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fi
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}
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convert() {
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convertVideo() {
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if [ -n "${MEDIATYPE}" ]; then
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videoTypes=($MEDIATYPE) # Reset the video type array to user-input, if specified
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fi
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@@ -411,12 +412,191 @@ convert() {
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}
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convertMusic() {
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if [ -n "${MEDIATYPE}" ]; then
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videoTypes=($MEDIATYPE) # Reset the video type array to user-input, if specified
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fi
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for mt in "${musicTypes[@]}"; do
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for f in *."${mt}"; do
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if [[ -n "${userMusicFile}" ]]; then # TODO: Rewrite user video files and write function to detect user video or music
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# Override the file search if user specifies a specific file from CLI.
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verbose "User specified file: "${userMusicFile}""
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f="${userFile}"
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fi
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test -f "${f}" || continue # Ensure that what we've found is a file
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extension="${f##*.}" # Grab file extension of input file
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informationFile="${tmpDir}/${f}.json"
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# JSON METADATA FOR EACH ASSET
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######################################################################
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# Output a JSON file for each video asset being parsed.
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ffprobe -v quiet -print_format json -show_format -show_streams "${f}" >> "${informationFile}"
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# Read the necessary information from the JSON
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format="$(jq -r ".format.format_long_name" "${informationFile}")"
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formatName="$(jq -r ".format.format_name" "${informationFile}")"
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if [ $(jq -r ".streams[0].codec_type" "${informationFile}") == "video" ]; then
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videoHeight="$(jq -r ".streams[0].height" "${informationFile}")"
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videoWidth="$(jq -r ".streams[0].width" "${informationFile}")"
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videoCodec="$(jq -r '.streams[0].codec_name' "${informationFile}")"
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videoCodecLong="$(jq -r ".streams[0].codec_long_name" "${informationFile}")"
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elif [ $(jq -r ".streams[1].codec_type" "${informationFile}") == "video" ]; then
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videoHeight="$(jq -r ".streams[1].height" "${informationFile}")"
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videoWidth="$(jq -r ".streams[1].width" "${informationFile}")"
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videoCodec="$(jq -r '.streams[1].codec_name' "${informationFile}")"
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videoCodecLong="$(jq -r ".streams[1].codec_long_name" "${informationFile}")"
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else
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warning "Missing video information for '"$f"'. Inspect with 'ffprobe'."
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ffprobe -v quiet -print_format json -show_format -show_streams "${f}"
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safeExit
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fi
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if [ $(jq -r ".streams[0].codec_type" "${informationFile}") == "audio" ]; then
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audioCodec="$(jq -r '.streams[0].codec_name' "${informationFile}")"
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audioCodecLong="$(jq -r ".streams[0].codec_long_name" "${informationFile}")"
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audioSampleRate="$(jq -r ".streams[0].sample_rate" "${informationFile}")"
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audioBitRate="$(jq -r ".streams[0].bit_rate" "${informationFile}")"
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elif [ $(jq -r ".streams[1].codec_type" "${informationFile}") == "audio" ]; then
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audioCodec="$(jq -r '.streams[1].codec_name' "${informationFile}")"
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audioCodecLong="$(jq -r ".streams[1].codec_long_name" "${informationFile}")"
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audioSampleRate="$(jq -r ".streams[1].sample_rate" "${informationFile}")"
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audioBitRate="$(jq -r ".streams[1].bit_rate" "${informationFile}")"
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else
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warning "Missing audio information for '"$f"'. Inspect with 'ffprobe'."
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ffprobe -v quiet -print_format json -show_format -show_streams "${f}"
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safeExit
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fi
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# Confirm variables in verbose mode
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verbose "file="$f""
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verbose "videoCodec="$videoCodec""
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verbose "videoCodecLong="$videoCodecLong""
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verbose "format="$format""
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verbose "formatName="$formatName""
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verbose "videoWidth="$videoWidth""
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verbose "videoHeight="$videoHeight""
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verbose "videoPreset="${videoPreset}""
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verbose "audioCodec="$audioCodec""
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verbose "audioCodecLong="$audioCodecLong""
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verbose "audioSampleRate="${audioSampleRate}""
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verbose "audioBitRate="${audioBitRate}""
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# SET OUTPUT FORMAT
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# Default to 'mp4' for everything.
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# TODO - think through additional defaults
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##########################################################
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case "${format}" in
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'Matroska / WebM') outputFormat='mp4' ;;
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*) outputFormat='mp4' ;;
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esac
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# Override with CLI
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if [[ -n "$userOutput" ]]; then
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outputFormat="${userOutput}"
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fi
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verbose "outputFormat=${outputFormat}"
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# Set output filename
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output="$(basename "${f%.*}").$outputFormat"
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verbose "output="${output}""
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# Don't convert to self if no other options set
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if [[ -z $height && -z $width && -z $videoSize && $downsize720 == "0" && "$outputFormat" == "$extension" ]]; then
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warning "Can't convert a '"${extension}"' to itself. Skipping all '"${extension}"' files."
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break
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fi
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# SET AUDIO INFORMATION
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# Copy audio in compatible formats. Re-encode audio when needed
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################################################################
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# Pick the best aac audio encoder
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if $(ffmpeg -version | grep enable-libfdk-aac >/dev/null); then
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aacEncoder='libfdk_aac'
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else
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aacencoder='libfaac'
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fi
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supportedAudioCodecs=(aac ac3 eac3)
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if [[ "${supportedAudioCodecs[*]}" =~ "${audioCodec}" ]]; then
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audioCommand="-c:a copy"
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else
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audioCommand="-c:a "${aacEncoder}" -b:a 160k"
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fi
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# Copy when possible
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# Save precious time by not re-encoding files that are already H264.
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# ###########################
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if [[ "${videoCodec}" == "h264" ]] && [[ -z "${videoResize}" ]]; then
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videoCommand="-c:v copy"
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else
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videoCommand="-c:v libx264 -crf 18 -preset slow"
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fi
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# CONVERT THE FILE
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# ################################
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# Add users output save directory if used
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if [[ -n "${outputDir}" ]]; then
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output="${outputDir}${output}"
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fi
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# Confirm we're not overwriting an existing file
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if [ -e "$output" ]; then
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seek_confirmation ""${output}" file already exists. Rename to '.new'?"
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if is_confirmed; then
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output="$(basename "${f%.*}").new."${outputFormat}""
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if [[ -n "${outputDir}" ]]; then
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output="${outputDir}${output}"
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fi
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else
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notice "Skipping...."
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breakLoop
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continue
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fi
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fi
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# Respect --safe flag.
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if [[ "${safeRun}" == "1" ]]; then
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notice "ffmpeg -i "${f}" ${videoResize} ${videoCommand} ${audioCommand} "${output}""
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else
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verbose "ffmpeg -i "${f}" ${videoResize} ${videoCommand} ${audioCommand} "${output}""
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ffmpeg -i "${f}" ${videoResize} ${videoCommand} ${audioCommand} "${output}"
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# delete original if requested
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if [[ "${deleteOriginal}" = "1" ]]; then
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rm -f "${f}" && verbose "Deleting "${f}""
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fi
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fi
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# Unset variables
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unset videoCodec
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unset videoCodecLong
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unset format
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unset formatName
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unset videoHeight
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unset videoWidth
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unset videoPreset
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unset audioCodec
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unset audioCodecLong
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unset audioSampleRate
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unset audioBitRate
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breakLoop
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done
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breakLoop
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done
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}
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# Run the functions
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checkDependencies
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outputDir
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convert
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convertVideo
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####################################################
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############### End Script Here ####################
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