X-Git-Url: http://git.plutz.net/?a=blobdiff_plain;f=db_meta.sh;h=572ebbd30b4bfc0411b736dc5cffd395dc797852;hb=refs%2Fheads%2Fmaster;hp=9f427fc65b38c3b554ca20c0d61ece87181b55af;hpb=ccc8de4ebdd18fb52cdb8ce2013573d079186fba;p=serve0

diff --git a/db_meta.sh b/db_meta.sh
index 9f427fc..572ebbd 100755
--- a/db_meta.sh
+++ b/db_meta.sh
@@ -28,15 +28,15 @@ read_meta() {
 
   # Global exports
   META_LENGTH='' META_WIDTH='' META_HEIGHT='' META_TAGS=''
-  META_COMMENT='' META_NAME='' META_GROUP=''
+  META_COMMENT='' META_NAME='' META_GROUP='' META_GROUPORDER=''
 
   if [ $# -eq 0 ]; then
     read -r META_LENGTH META_WIDTH META_HEIGHT META_TAGS META_COMMENT \
-            META_NAME META_GROUP
+            META_NAME META_GROUP META_GROUPORDER
   elif [ "$name" -a -f "$meta_db" -a -r "$meta_db" ]; then
     read -r META_LENGTH META_WIDTH META_HEIGHT META_TAGS META_COMMENT \
-            META_NAME META_GROUP <<-EOF
-	$(grep -F "	${name}${CR}" "$meta_db")
+            META_NAME META_GROUP META_GROUPORDER <<-EOF
+	$(grep -F "	${name}${CR}" "$meta_db" |dbmeta_autogroup)
 	EOF
   fi
   if [ "$META_NAME" ]; then
@@ -155,10 +155,54 @@ list_meta(){
     pfx="$(STRING "${pfx#/}")"
     [ "$pfx" = '\' ] && pfx='' || pfx="${pfx}/"
 
-    while read -r LENGTH WIDTH HEIGHT TAGS COMMENT NAME GROUP; do
-      printf '%i	%i	%i	tags=%s	comment=%s	%s%s\r	%s\n' \
-             $LENGTH $WIDTH $HEIGHT "${TAGS#tags=}" \
-             "${COMMENT#comment=}" "${pfx}" "${NAME%${CR}}" "${GROUP:-\\}"
-    done <"$meta"
+    { printf '%s\n' "$pfx"
+      dbmeta_autogroup "$meta"
+    } | sed -E '
+      1{ h; d; }
+      G;
+      s;^([^\t]+	[^\t]+	[^\t]+	[^\t]+	[^\t]+	)([^\n]+)\n(.*)$;\1\3\2;
+    '
   done
 }
+
+dbmeta_autogroup(){
+  sed -E '
+    # strip empty group field
+    s;\r	\\$;\r;;
+    h;  # save original dataset
+
+    # strip common suffixes of web video sites
+    s;-([0-9a-zA-Z_-]{11}|ph[0-9a-f]{13}|xh[0-9a-zA-Z]{5}|[0-9]{6,})\r;-\r;;
+
+    # perform auto grouping if group id is missing or empty
+    /\r$/bAUTOGROUP;
+  
+    # only perform ordering if manual group id is present
+    /\r	.+$/bAUTOORDER;
+
+    b;  # pass invalid records without processing
+
+    :AUTOORDER
+    # strip all fields but the name
+    s;^([^\t]+	[^\t]+	[^\t]+	[^\t]+	[^\t]+	)([^\r]+)\r	(.+)$;\2;
+
+    # reduce to numerals
+    s;[^0-9]+;;g;
+
+    # append ordering field to dataset
+    H; g; s;\n;\t;;
+    b;
+  
+    :AUTOGROUP
+    # strip all fields but the name
+    s;^[^\t]+	[^\t]+	[^\t]+	[^\t]+	[^\t]+	;;
+  
+    # replace all numeric parts and append numerals to an ordering field
+    # the group id will be made up of only the non-numeric character frame
+    # the ordering field will hold all numbers from the name
+    :X s;^([^0-9]*)([0-9]+)([^\r]*)\r\t?([0-9]*)$;\1\r\3\r	\4\2;; tX;
+  
+    # append group id and ordering field to dataset
+    H; g; s;\n;\t;;
+  ' "$@"
+}