303 lines
6.6 KiB
Bash
Executable File
303 lines
6.6 KiB
Bash
Executable File
#!/bin/bash
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begin=$(date +"%s")
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# saner programming env: these switches turn some bugs into errors
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set -o errexit -o pipefail -o noclobber -o nounset
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source="-"
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dest="-"
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verbose=2
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help=false
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temp="/tmp/converted"
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CheckDeps() {
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# Check getopt
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! getopt --test > /dev/null
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if [[ ${PIPESTATUS[0]} -ne 4 ]]; then
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VerboseOutput 5 "\`getopt --test\` failed"
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VerboseOutput 5 "Sorry, It seems that your shell is not supported"
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VerboseOutput 5 "If you're using MacOS or another unix-like system, please install GNU getopt"
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ExecTime
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exit 1
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fi
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# Check lame
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if [[ ! $(lame --version 2>/dev/null) ]]; then
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VerboseOutput 5 "\`lame --version\` failed"
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VerboseOutput 5 "Sorry, It seems that lame is not installed on your system"
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VerboseOutput 5 "Please install lame from your repositories and make sure it is available in your \$PATH"
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ExecTime
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exit 1
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fi
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}
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GetOptions() {
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# https://stackoverflow.com/a/29754866
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OPTIONS=s:d:t:v::h
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LONGOPTS=source:,dest:,temp:,verbose::,help
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# -use ! and PIPESTATUS to get exit code with errexit set
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# -temporarily store output to be able to check for errors
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# -activate quoting/enhanced mode (e.g. by writing out “--options”)
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# -pass arguments only via -- "$@" to separate them correctly
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! PARSED=$(getopt --options=$OPTIONS --longoptions=$LONGOPTS --name "$0" -- "$@")
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if [[ ${PIPESTATUS[0]} -ne 0 ]]; then
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# e.g. return value is 1
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# then getopt has complained about wrong arguments to stdout
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Usage
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exit 2
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fi
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# read getopt’s output this way to handle the quoting right:
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eval set -- "$PARSED"
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# now enjoy the options in order and nicely split until we see --
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while true; do
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case "$1" in
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-v|--verbose)
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verbose=2
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if [[ $2 != "" ]]; then
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verbose=${2}
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shift
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fi
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shift
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;;
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-h|--help)
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help=true
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shift
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;;
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-s|--source)
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source="$2"
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shift 2
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;;
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-d|--dest)
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dest="$2"
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shift 2
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;;
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-t|--temp)
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temp="$2"
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shift 2
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;;
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--)
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shift
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break
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;;
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*)
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VerboseOutput 5 "Programming error"
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return 3
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;;
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esac
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done
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if [[ ! -z ${1+x} ]]; then
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source=$1
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fi
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if [[ ! -z ${2+x} ]]; then
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dest=$2
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fi
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if [[ $dest == "-" ]] || [[ $source == "-" ]]; then
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help=true
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fi
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}
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Usage() {
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echo ""
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echo "Usage:"
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echo "music-sync <options> -s|--source <source> -d|--dest <destination>"
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echo "music-sync <options> <source> <destination>"
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echo ""
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echo "Syncronises music from one folder to another."
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echo ""
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echo "Options:"
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echo " -s, --source <source> The source folder of the music"
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echo " -d, --dest <destination> The destionation folder of the music"
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echo " -t, --temp <folder> The temporary cache for converted files (default: /tmp/converted)"
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echo " -v, --verbose <0-6> Set log level (default: 2)"
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echo " -h, --help Display this help text"
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echo ""
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echo "Log levels:"
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echo " 0 | Verbose"
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echo " 1 | Debug"
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echo " 2 | Info"
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echo " 3 | Warning"
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echo " 4 | Error"
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echo " 5 | Fatal"
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echo " 6 | Silence"
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echo ""
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echo "Exit Codes:"
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echo " 1 Dependencies not met"
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echo " 2 Invalid Argument"
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echo " 3 Source Unreachable"
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echo " 4 Destination Unreachable"
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echo " 5 Command failed"
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echo ""
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}
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VerboseOutput() {
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level=""
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if [[ $verbose -le $1 ]]; then
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case "$1" in
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0)
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level="\033[1;36mVerbose\033[0m"
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;;
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1)
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level="\033[1;34m Debug \033[0m"
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;;
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2)
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level="\033[1;37m Info \033[0m"
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;;
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3)
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level="\033[1;33mWarning\033[0m"
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;;
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4)
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level="\033[1;31m Error \033[0m"
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;;
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5)
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level="\033[1;30m Fatal \033[0m"
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;;
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esac
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echo -e "[$level] $2" >&2
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fi
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}
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CreateFileList() {
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# ${1} /mnt/hdd/Example-Artist/Example-Album
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# ${2} /mnt/mtp/Example-Artist/Example-Album
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# ${3} Example-Artist/Example-Album
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IFS=""
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sourcepath="${1/\[/\\\[}/*"
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sourcepath="${sourcepath/\]/\\\]}"
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for file in $sourcepath; do
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relfile="${file#"$1/"}"
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if [[ -d "${1}/$relfile" ]]; then
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newdir="${3}/$relfile"
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newdir=${newdir#"/"}
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VerboseOutput 1 "Entering $newdir"
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CreateFileList "${1}/$relfile" "${2}/$relfile" "$newdir"
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elif [[ ! -f "${2}/$relfile" || "${1}/$relfile" -nt "${2}/$relfile" ]]; then
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echo ${3}/$relfile >> /tmp/music-sync-filelist
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VerboseOutput 2 "Added: ${3}/${relfile}"
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fi
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done
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}
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ConvertFiles() {
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curline=0
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percentage=0
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while read -r line
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do
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if [[ ! -f "${source}/$line" ]]; then
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VerboseOutput 5 "Source-file ${source}/$line Unreachable"
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ExecTime
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exit 3
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fi
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curline=$(expr ${curline} + 1)
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total=$(cat /tmp/music-sync-filelist | wc -l)
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percentage=$(echo "scale=4;${curline}/${total}" | bc)
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percentage=$(echo "scale=2;${percentage}*100" | bc)
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VerboseOutput 1 "Converting: $line"
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VerboseOutput 2 "Progress: $curline / $total (${percentage%00}%) Step 1 of 2"
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if [[ "$temp/$line" = */* ]]; then
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mkdir -p "$temp/${line%/*}";
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fi;
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if [[ ! -f "$temp/$line" || "${source}/$line" -nt "$temp/$line" ]]; then
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lame -b 192 $source/$line $temp/$line 1>/dev/null 2>/dev/null
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VerboseOutput 2 "Converted: $line"
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else
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VerboseOutput 3 "$line already converted"
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fi;
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done < "/tmp/music-sync-filelist"
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}
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CopyFiles() {
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curline=0
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percentage=0
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while read -r line
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do
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if [[ ! -d "$dest" ]]; then
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VerboseOutput 5 "Destination unreachable"
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ExecTime
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exit 4
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fi
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if [[ ! -f "${temp}/$line" ]]; then
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VerboseOutput 5 "Source-file ${temp}/$line Unreachable"
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ExecTime
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exit 3
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fi
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curline=$(expr ${curline} + 1)
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total=$(cat /tmp/music-sync-filelist | wc -l)
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percentage=$(echo "scale=4;${curline}/${total}" | bc)
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percentage=$(echo "scale=2;${percentage}*100" | bc)
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VerboseOutput 1 "Copying: $line"
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VerboseOutput 2 "Progress: $curline / $total (${percentage%00}%) Step 2 of 2"
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if [[ "$dest/$line" = */* ]]; then
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mkdir -p "$dest/${line%/*}";
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fi;
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cp -f $temp/$line $dest/$line 1>/dev/null 2>/dev/null
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VerboseOutput 2 "Copied: $line"
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done < "/tmp/music-sync-filelist"
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}
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CleanUp() {
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VerboseOutput 1 "Cleaning Up"
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if [[ -f /tmp/music-sync-filelist ]]; then
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rm "/tmp/music-sync-filelist"
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fi
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VerboseOutput 1 "Done"
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}
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ExecTime() {
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termin=$(date +"%s")
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difftimelps=$(($termin-$begin))
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VerboseOutput 1 "$(($difftimelps / 60)) minutes and $(($difftimelps % 60)) seconds elapsed for Script Execution."
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}
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ErrorHandler() {
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VerboseOutput 5 "Error while executing $1"
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CleanUp
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exit 5
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}
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ExitHandler() {
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VerboseOutput 5 "Aborted"
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CleanUp
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exit 0
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}
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trap 'ExitHandler' SIGINT
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trap 'ErrorHandler $BASH_COMMAND' ERR
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CheckDeps
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GetOptions $@
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if [[ $help == true ]]; then
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Usage
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exit
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fi
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if [[ -f /tmp/music-sync-filelist ]]; then
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rm /tmp/music-sync-filelist
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fi
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CreateFileList $source $dest ""
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if [[ ! -f /tmp/music-sync-filelist ]]; then
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VerboseOutput 2 "Nothing to do!"
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CleanUp
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exit 0
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fi
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ConvertFiles
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CopyFiles
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CleanUp
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ExecTime
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