From 9cce3e225daff5ca7215de0a8d2e1d73b1ca9042 Mon Sep 17 00:00:00 2001
From: Cullum Smith <cullum@sacredheartsc.com>
Date: Thu, 14 Nov 2024 20:36:44 -0500
Subject: initial commit

---
 README.md          |   4 ++
 music/export.sh    |  57 ++++++++++++++++++++++++
 music/import.sh    |  75 ++++++++++++++++++++++++++++++++
 pictures/import.sh | 125 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 261 insertions(+)
 create mode 100644 README.md
 create mode 100755 music/export.sh
 create mode 100755 music/import.sh
 create mode 100755 pictures/import.sh

diff --git a/README.md b/README.md
new file mode 100644
index 0000000..4657716
--- /dev/null
+++ b/README.md
@@ -0,0 +1,4 @@
+Scripts
+=======
+
+Misc scripts that I use for things.
diff --git a/music/export.sh b/music/export.sh
new file mode 100755
index 0000000..6f53793
--- /dev/null
+++ b/music/export.sh
@@ -0,0 +1,57 @@
+#!/bin/sh
+
+set -eu -o pipefail
+
+# I use this script to export my flac collection to a portable device,
+# which happens to require smaller embedded album art.
+
+MUSIC_DIR="/nfs/media/music/flac"
+ARTSIZE=${ARTSIZE:-320}
+
+sanitize(){
+  echo "$1" | tr -Cd 'A-Za-z0-9 _-'
+}
+
+if [ $# -ne 1 ]; then
+  echo 'usage: export.sh DST' 1>&2
+  exit 1
+fi
+DEST_DIR="$1"
+
+find "$MUSIC_DIR" -iname '*.flac' -type f -print | while read -r file; do
+  track=$(exiftool -s3 -TrackNumber "$file")
+  title=$(exiftool -s3 -Title "$file")
+  album=$(exiftool -s3 -Album "$file")
+  artist=$(exiftool -s3 -AlbumArtist "$file")
+  artist=${artist:-$(exiftool -s3 -Artist "$file")}
+
+  if [ -z "$artist" ]; then
+    echo "$file has no artist metadata, skipping" 1>&2
+    continue
+  fi
+
+  if [ -z "$album" ]; then
+    echo "$file has no album metadata, skipping" 1>&2
+    continue
+  fi
+
+  if [ -z "$title" ]; then
+    echo "$file has no title metadata, skipping" 1>&2
+    continue
+  fi
+
+  if [ -z "$track" ]; then
+    echo "$file has no track metadata, skipping" 1>&2
+    continue
+  fi
+
+  subpath="$(sanitize "$artist")/$(sanitize "$album")"
+  basename="$(printf '%03d' "$(expr "$track" + 0)") $(sanitize "$title")"
+
+  mkdir -p "${DEST_DIR}/${subpath}"
+
+  if [ ! -e "${DEST_DIR}/${subpath}/${basename}.flac" ]; then
+    echo "$artist / $album / $title"
+    ffmpeg -n -nostdin -loglevel error -i "$file" -map 0:a:0 -map 0:v:0 -filter:v "scale=w=${ARTSIZE}:h=${ARTSIZE},format=yuvj420p" -c:v mjpeg -c:a copy "${DEST_DIR}/${subpath}/${basename}.flac"
+  fi
+done
diff --git a/music/import.sh b/music/import.sh
new file mode 100755
index 0000000..2d5f5e5
--- /dev/null
+++ b/music/import.sh
@@ -0,0 +1,75 @@
+#!/bin/sh
+
+set -eu -o pipefail
+
+MUSIC_DIR=/nfs/media/music
+MP3_BITRATE=320k
+
+# Searches the given argument paths for .flac files, and copies them to
+# $MUSIC_DIR with the follow hierarchy:
+#
+#   flac/${artist}/${album}/${tracknum} ${trackname}.flac
+#
+# It also transcodes the FLACs to MP3s and stores them in a similar way:
+#
+#   mp3/${artist}/${album}/${tracknum} ${trackname}.flac
+#
+# The metadata is taken from the id3 tags in the flac file, santized to contain
+# only ASCII characters.
+
+sanitize(){
+  echo "$1" | tr -Cd 'A-Za-z0-9 _-'
+}
+
+if [ $# -ne 0 ] ; then
+  echo 'usage: import.sh PATH...' 1>&2
+  exit 1
+fi
+
+find "$@" -iname '*.flac' -type f -print | while read -r file; do
+  track=$(exiftool -s3 -TrackNumber "$file")
+  title=$(exiftool -s3 -Title "$file")
+  album=$(exiftool -s3 -Album "$file")
+  artist=$(exiftool -s3 -AlbumArtist "$file")
+  artist=${artist:-$(exiftool -s3 -Artist "$file")}
+
+  if [ -z "$artist" ]; then
+    echo "$file has no artist metadata, skipping" 1>&2
+    continue
+  fi
+
+  if [ -z "$album" ]; then
+    echo "$file has no album metadata, skipping" 1>&2
+    continue
+  fi
+
+  if [ -z "$title" ]; then
+    echo "$file has no title metadata, skipping" 1>&2
+    continue
+  fi
+
+  if [ -z "$track" ]; then
+    echo "$file has no track metadata, skipping" 1>&2
+    continue
+  fi
+
+  subpath="$(sanitize "$artist")/$(sanitize "$album")"
+  basename="$(printf '%03d' "$(expr "$track" + 0)") $(sanitize "$title")"
+
+  # flac
+  mkdir -p "${MUSIC_DIR}/flac/${subpath}"
+
+  cp "$file" "${MUSIC_DIR}/flac/${subpath}/${basename}.flac"
+  echo "flac :: $artist / $album / $title"
+
+  if ! [ -f "${MUSIC_DIR}/flac/${subpath}/folder.jpg" ]; then
+    ffmpeg -y -nostdin -loglevel error -i "$file" -an -c:v copy "${MUSIC_DIR}/flac/${subpath}/folder.jpg"
+    echo "aart :: $artist / $album"
+  fi
+
+  # mp3
+  mkdir -p "${MUSIC_DIR}/mp3/${subpath}"
+
+  ffmpeg -y -nostdin -loglevel error -i "$file" -ab "${MP3_BITRATE}" "${MUSIC_DIR}/mp3/${subpath}/${basename}.mp3"
+  echo " mp3 :: $artist / $album / $title"
+done
diff --git a/pictures/import.sh b/pictures/import.sh
new file mode 100755
index 0000000..3ef850f
--- /dev/null
+++ b/pictures/import.sh
@@ -0,0 +1,125 @@
+#!/bin/bash
+
+set -Eeu -o pipefail
+
+# Imports photos from a given location(s) to PHOTO_DIR, organized by calendar
+# year and with a filename matching the date the photo/video was taken.
+#
+# The date is determined by the following, in order of precedence:
+#    1. exif data from the image/video
+#    2. regex matching for a date-like string inside the filename
+#    3. the modification time of the souce file
+
+DATE_FORMAT='%Y-%m-%d-%H%M%S'
+
+DRY_RUN=0
+
+usage() {
+  echo 'usage: import.sh -cp|-mv PHOTO_DIR PATH...' 1>&2
+  exit 1
+}
+
+if (( $# < 3 )); then
+  usage
+fi
+
+if [ "$1" == -cp ]; then
+  MOVE_COMMAND='cp --preserve=timestamps'; shift
+elif [ "$1" == -mv ]; then
+  MOVE_COMMAND=mv; shift
+else
+  usage
+fi
+
+PHOTO_DIR=$1; shift
+
+date_from_exif() {
+  local date=$(exiftool -ee -quiet -tab -dateformat "$DATE_FORMAT" -json -DateTimeOriginal "$1" | jq --raw-output '.[].DateTimeOriginal.val')
+
+  if [ "$date" == 'null' ]; then
+    date=$(exiftool -ee -quiet -tab -dateformat "$DATE_FORMAT" -json -MediaCreateDate "$1" | jq --raw-output '.[].MediaCreateDate.val')
+  fi
+
+  if [[ "$date" =~ 20[0-9]{2}-[0-1][0-9]-[0-3][0-9]-[0-2][0-9][0-5][0-9][0-5][0-9] ]]; then
+    echo "$date"
+  fi
+}
+
+date_from_filename() {
+  if [[ "$1" =~ (20[0-9]{2})[_-]([0-1][0-9])[_-]([0-3][0-9])[_-]([0-2][0-9])[_-]([0-5][0-9])[_-]([0-5][0-9]) ]]; then
+    echo "${BASH_REMATCH[1]}-${BASH_REMATCH[2]}-${BASH_REMATCH[3]}-${BASH_REMATCH[4]}${BASH_REMATCH[5]}${BASH_REMATCH[6]}"
+  elif [[ "$1" =~ (20[0-9]{2})[_-]([0-1][0-9])[_-]([0-3][0-9])[_-]([0-2][0-9][0-5][0-9][0-5][0-9]) ]]; then
+    echo "${BASH_REMATCH[1]}-${BASH_REMATCH[2]}-${BASH_REMATCH[3]}-${BASH_REMATCH[4]}"
+  elif [[ "$1" =~ (20[0-9]{2})([0-1][0-9])([0-9]{2})[_-]([0-2][0-9][0-5][0-9][0-5][0-9]) ]]; then
+    echo "${BASH_REMATCH[1]}-${BASH_REMATCH[2]}-${BASH_REMATCH[3]}-${BASH_REMATCH[4]}"
+  elif [[ "$1" =~ (20[0-9]{2})([0-1][0-9])([0-9]{2})([0-2][0-9][0-5][0-9][0-5][0-9]) ]]; then
+    echo "${BASH_REMATCH[1]}-${BASH_REMATCH[2]}-${BASH_REMATCH[3]}-${BASH_REMATCH[4]}"
+  elif [[ "$1" =~ (20[0-9]{2})[_-]([0-1][0-9])[_-]([0-3][0-9]) ]]; then
+    echo "${BASH_REMATCH[1]}-${BASH_REMATCH[2]}-${BASH_REMATCH[3]}-000000"
+  elif [[ "$1" =~ (20[0-9]{2})([0-1][0-9])([0-3][0-9]) ]]; then
+    echo "${BASH_REMATCH[1]}-${BASH_REMATCH[2]}-${BASH_REMATCH[3]}-000000"
+  fi
+}
+
+date_from_mtime() {
+  date -r "$1" "+$DATE_FORMAT"
+}
+
+# Generates a "safe" destination filename. If "foo.jpg" already exists, then this function
+# will return "foo_2.jpg" (or "foo_3.jpg" if "foo_2.jpg" exists...etc)
+safe_filename() {
+  if (( $# > 1 )); then
+    local src=$1 dst=$2
+
+    if [ -d "$dst" ]; then
+      dst="${dst}/$(basename "$src")"
+    fi
+  else
+    local dst=$1
+  fi
+
+  local ext=${dst##*.}
+  local odst=$dst
+  local i=2
+
+  while [ -f "$dst" ]; do
+    dst="${odst%.*}_${i}.${ext}"
+    ((i++))
+  done
+
+  echo "$dst"
+}
+
+safe_mv() {
+  local src=$1 dst=$2
+  dst=$(safe_filename "$src" "$dst")
+
+  if ((DRY_RUN)); then
+    echo "[dry-run] $MOVE_COMMAND $src -> $dst"
+  else
+    $MOVE_COMMAND --no-clobber --verbose "$src" "$dst"
+  fi
+}
+
+
+while IFS='' read -r -d '' file; do
+  date=$(date_from_exif "$file")
+
+  if [ -z "$date" ]; then
+    date=$(date_from_filename "$file")
+  fi
+
+  if [ -z "$date" ]; then
+    date=$(date_from_mtime "$file")
+  fi
+
+  year=${date:0:4}
+  ext=${file##*.}
+  ext=${ext,,}
+
+  target="${PHOTO_DIR}/${year}/${date}.${ext}"
+
+  mkdir -p "${PHOTO_DIR}/${year}"
+  safe_mv "$file" "$target"
+
+done < <(find "$@" -type f \( -iname '*.jpg' -o -iname '*.png' -o -iname '*.mp4' \) -print0)
-- 
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