124 lines
2.7 KiB
Bash
Executable File
124 lines
2.7 KiB
Bash
Executable File
#!/bin/bash
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# 2024-06-07 C.Greenwood
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# Rename all files in a music library based on metadata.
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# Uses the format "[Track]. [Title].mp3"
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## Variables ##
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PROG="`basename $0`"
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#DIR="`dirname $0`"
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DIR="`pwd`"
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EXT=".mp3"
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## Functions ##
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function usage {
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cat <<- EOF
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Usage:
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$PROG [-h] [-u]
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Parameters:
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-h : Help, display the usage and exit succesfully.
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Place this file at the root of your music destined for a flash drive and run it without any parameters.
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It will dive through all folders and convert your MP3's to have the Track# and Title in the filename.
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This tool has a pre-requisite you should make sure you have installed:
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- exiftool
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Thanks for using $PROG!
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EOF
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exit $1
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}
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function error {
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num_chars=$(( 7 + ${#1} ))
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echo ""
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printf '*%.0s' $(seq 1 $num_chars)
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echo -e "\nERROR: $1"
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printf '*%.0s' $(seq 1 $num_chars)
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echo -e "\n"
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usage $2
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}
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## Validations ##
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# Check for parameters.
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while getopts ":h" opt; do
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case "$opt" in
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h) usage 0
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;;
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*) error "Operator $OPTARG not recognized." 6
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;;
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esac
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done
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# Ensure critical tools are available.
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if [[ ! `which exiftool` ]]; then
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error "exiftool not found" 2
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fi
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## Main ##
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# Loop through all files in and lower than the current directory.
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time find $DIR -name "*${EXT}" | sort | while read file; do
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echo -e "\n$file"
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# Retrieve and clean the Track#
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track=""
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# Get raw value
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track="`exiftool -Track "$file"`"
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# Filter the header
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track="${track//Track /}"
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track="${track// : /}"
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# Remove disk designations
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track="${track%%/*}"
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# Remove any whitespace before/after
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track="`echo $track`"
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# Add a leading 0 to single digits.
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[[ ${#track} == 1 ]] && track="0$track"
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echo "Track=$track"
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# Retrieve and clean the Title
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title=""
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title="`exiftool -Title "$file"`"
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title="${title//Title /}"
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title="${title// : /}"
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title="${title//[^[:alnum:][:space:].]/}"
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title="`echo $title`"
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while [[ "$title" == *" "* ]]; do
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title="${title// / }"
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done
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echo "Title=$title"
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# Create the new file with the correct filename.
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new_file="`dirname "$file"`/$track. $title$EXT"
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if [[ "$file" == "$new_file" ]]; then
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echo "SKIP: Filename already correct! :)"
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continue
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fi
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if [[ ! -z "$track" && ! -z "$title" ]]; then
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echo "Creating '`basename "$new_file"`'."
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mv -v "$file" "$new_file"
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elif [[ -z "$track" && ! -z "$title" ]]; then
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echo "No Track# found, leaving Title alone."
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continue
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else
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echo "File does not have Track or Title metadata."
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continue
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fi
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# Confirm the new file exists and remove the old file if so
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if [[ -e "$new_file" ]]; then
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echo "Success!"
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else
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error "$new_file was not created successfully." 5
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fi
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done
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echo -e "\nProcess has completed. Enjoy having your songs named correctly!"
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exit 0
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