278 lines
7.2 KiB
Bash
Executable File
278 lines
7.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -ueo pipefail
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[ "${DEBUG:-0}" = "1" ] && set -x
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# usage:
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# - init - create an empty database
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# - import - import $FILE or import $DIR, both can be multiple values
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# - autoimport ($REGEX|video) $FOLDER - will import all files in $FOLDER with a $REGEX filter,
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# or one of the preset filters:
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# - video
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# - add (tag|filename) $VALUE - adds a new tag or filename of $VALUE
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# - list (tags|files) - lists all the values in a table
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# - bytag $TAG - list all files by tag label
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# - tag $FILENAME $TAG - tag $FILENAME with $TAG, $TAG can be repeated
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# - listtags $FILENAME - list all tags for $FILENAME
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SCRIPT_DIR=$(dirname $(readlink "$0"))
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SCRIPT_NAME=$(basename "$0")
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DB_FILE="${PWD}/tags.db"
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[ "${1:-}" = "--db" ] && DB_FILE="$2" && shift 2
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DB_SCHEMA="${SCRIPT_DIR}/database.sql"
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declare -A FILTERS
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FILTERS[video]="avi|flv|mkv|mov|mp4|mpg|ogv|webm|wmv"
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fail() {
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echo "$1" >&2;
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exit 1
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}
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log() {
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echo "$1"
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}
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init() {
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# DB_NAME
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[ -f "$1" ] && fail "Database file \"$1\" already exists. Aborting."
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cat "$DB_SCHEMA" | sqlite3 "$1"
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log "Empty database file \"$1\" created."
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}
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enumerate_positional_parameters() {
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log "Positional parameters in $FUNCNAME:"
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CNT=0
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for VALUE in "$@"; do
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let CNT++ || true
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echo "${CNT}: $VALUE"
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done
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}
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listtags() {
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# $FILENAME $LIMIT=ALL
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[ -z "$1" ] && fail "No filename supplied."
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FILENAME="$1"
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shift
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# ! file_exists_in_db "$FILENAME" && fail "File '$FILENAME' does not exist in database."
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LIMIT="${1:-0}"
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ADDITIONAL_QUERY=""
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[ $LIMIT -gt 0 ] && ADDITIONAL_QUERY="LIMIT $LIMIT"
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sqlite_query \
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"SELECT filename, label from files \
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INNER JOIN tags_ties ON tags_ties.fid = files.id \
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INNER JOIN tags ON tags.id = tags_ties.tid \
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WHERE filename LIKE \"%$FILENAME%\"\
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$ADDITIONAL_QUERY"
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}
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add() {
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# $TYPE(tag|path|hash) $VALUE1..$VALUEN
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[ "$1" = "tag" ] && shift && add_tag "$@" && exit 0
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[ "$1" = "path" ] && shift && add_path "$@" && exit 0
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[ "$1" = "hash" ] && shift && add_hash "$@" && exit 0
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[ "$1" = "file" ] && fail "Use \"$SCRIPT_NAME add path\" instead."
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fail "Usage: $SCRIPT_NAME add tag/path/hash"
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}
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sqlite_query() {
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# $QUERY
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dbfile_exists || fail "Database file '$DB_FILE' does not exist. Use '$SCRIPT_NAME init' to create default one, or specify filename with '--db'."
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sqlite3 "$DB_FILE" "$1"
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}
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sqlite_lastrows() {
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# $TABLE $LIMIT
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sqlite_query "SELECT * FROM \"$1\" ORDER BY id DESC LIMIT ${2}"
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}
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sqlite_insert_single() {
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# $TABLE $COLUMN $VALUES
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# $VALUES can be comma-delimited
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[ -z "$1" ] && fail "No table specified."
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TABLE="$1"
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[ -z "$2" ] && fail "No column(s) supplied."
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COLUMN="$2"
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[ -z "$3" ] && fail "No column values supplied."
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shift 2
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VALUES="(\"$1\")"
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if [[ ! -z "${2:-}" ]]; then
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while true; do
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shift
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[ -z "${1:-}" ] && break
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VALUES+=",(\"$1\")"
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done
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fi
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QUERY="PRAGMA foreign_keys=ON;"
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QUERY+="INSERT INTO $TABLE ($COLUMN) VALUES ${VALUES} RETURNING *;"
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sqlite_query "$QUERY"
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}
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sqlite_insert_multi() {
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# $TABLE $COLUMN $VALUE1 $VALUE2
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[ -z "$1" ] && fail "No table specified."
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TABLE="$1"
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[ -z "$2" ] && fail "No column(s) supplied."
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COLUMN="$2"
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[[ -z "$3" || -z "$4" ]] && fail "No column values supplied."
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shift 2
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VALUES="($1,$2)"
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if [[ ! -z "${3:-}" && ! -z "${4:-}" ]]; then
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while true; do
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shift 2
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[[ -z "${1:-}" && -z "${2:-}" ]] && break
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VALUES+=",($1,$2)"
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done
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fi
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QUERY="PRAGMA foreign_keys=ON;"
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QUERY+="INSERT INTO $TABLE ($COLUMN) VALUES ${VALUES} RETURNING *;"
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sqlite_query "$QUERY"
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}
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add_tag() {
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# $TAG1...$TAGN
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TABLE="tags"
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COLUMN="label"
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sqlite_insert_single "$TABLE" "$COLUMN" "$@"
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}
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add_path() {
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# $PATH1..$PATHN
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TABLE="files"
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COLUMN="filename,path"
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FILES=()
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for FILE in "$@"; do
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FILENAME=$(basename "$FILE")
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FILEPATH=$(dirname "$FILE")
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file_exists_in_db "$FILE" && fail "File '$FILE' already exists in database."
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FILES+=("'$FILENAME'")
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FILES+=("'$FILEPATH'")
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done
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sqlite_insert_multi "$TABLE" "$COLUMN" "${FILES[@]}"
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}
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add_hash() {
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# $FILE $HASH
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TABLE="hashes"
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COLUMN="fid,md5"
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local FILENAME="${1:-}"
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[ -z "$FILENAME" ] && fail "No file specified."
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! file_exists_in_db "$FILENAME" && fail "File \"$FILENAME\" does not exist in database."
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sqlite_insert_multi "$TABLE" "$COLUMN" $RESULT "'$2'"
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}
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add_path_auto() {
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# $REGEX $FOLDER
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find "${2}" -type f -regextype posix-extended -iregex "$1" -exec "$0" import "{}" +
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}
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tag_exists_in_db() {
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# $TAGLABEL
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TAG=${1:-}
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RESULT=$(sqlite_query "SELECT id FROM tags WHERE label = '$TAG'")
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if [[ -z "$RESULT" ]]; then
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return 1
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else
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return 0
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fi
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}
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file_exists_in_db() {
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# $FILENAME
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FILENAME=$(basename "${1:-}")
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FILEPATH=$(dirname "${1:-}")
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RESULT=$(sqlite_query "SELECT id FROM files WHERE filename = '$FILENAME' AND path = '$FILEPATH'")
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if [[ -z "$RESULT" ]]; then
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return 1
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else
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return 0
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fi
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}
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dbfile_exists() {
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if [[ ! -f "$DB_FILE" ]]; then
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return 1
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else
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return 0
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fi
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}
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main() {
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[ -z "${1:-}" ] && fail "Usage: tag init/add/import/autoimport/list/listtags"
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if [[ "$1" = "init" ]]; then
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init "${2:-$DB_FILE}"
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exit 0
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fi
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if [[ "$1" = "import" ]]; then
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shift
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add "path" "$@"
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fi
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if [[ "$1" = "autoimport" ]]; then
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shift
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if [[ "${1:-}" =~ "${!FILTERS[@]}" ]]; then
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add_path_auto ".*(${FILTERS[$1]})" "$2"
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else
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add_path_auto "$1" "$2"
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fi
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fi
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if [[ "$1" = "add" ]]; then
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shift
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add "$@"
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fi
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if [[ "$1" = "list" ]]; then
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[ -z "$2" ] && fail "No table supplied."
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TABLE_NAME="$2"
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sqlite_query "SELECT * FROM \"${TABLE_NAME}\""
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exit 0
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fi
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if [[ "$1" = "bytag" ]]; then
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[ -z "$2" ] && fail "No tag supplied."
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TAG_NAME="$2"
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sqlite_query "SELECT filename FROM files WHERE id = (SELECT id FROM tags_ties WHERE id = (SELECT id FROM tags WHERE label = \"${TAG_NAME}\"))"
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exit 0
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fi
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if [[ "$1" = "tag" ]]; then
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shift
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[ -z "${1:-}" ] && fail "No filename supplied."
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FILENAME="$1"
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! file_exists_in_db "$FILENAME" && fail "File '$FILENAME' does not exist in database."
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shift
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[ -z "${1:-}" ] && fail "No tag supplied."
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COUNTER=0
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while true; do
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LABEL="$1"
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! tag_exists_in_db "$LABEL" && fail "Tag '$TAG' does not exist in database."
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shift
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sqlite_query "INSERT INTO tags_ties (fid, tid) VALUES ((SELECT id FROM files WHERE filename = \"$FILENAME\"),(SELECT id FROM tags WHERE label = \"$LABEL\"))"
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COUNTER=$((COUNTER++))
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[ -z "${1:-}" ] && break
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done
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listtags "$FILENAME" "$COUNTER"
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exit 0
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fi
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if [[ "$1" = "listtags" ]]; then
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[ -z "${2:-}" ] && fail "Usage: $SCRIPT_NAME listtags filename"
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listtags "$2"
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exit 0
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fi
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}
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main "$@"
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