+meta_purge(){
+ local file meta name
+ file="$1"
+ meta="${file%/*}/.index/meta"
+ name="$(meta_name "$file")"
+
+ if [ -d "${meta%/meta}" ] && LOCK "$meta"; then
+ grep -avF " ${name}" "$meta" >"$meta.tmp"
+ grep -aF " ${name}" "$meta" >>"$meta.trash"
+ mv "$meta.tmp" "$meta"
+ RELEASE "$meta"
+ fi
+}
+