+[ "$FILTER" ] && list_fex="$(
+ fex='p'
+ STRING "$FILTER^" \
+ | sed -E 's;\^;\n;g; s;[]\/\(\)\\\^\$\?\.\+\*\;\[\{\}];\\&;g' \
+ | while read -r f; do
+ [ "${f##*[A-Z]*}" ] && tl="y;ABCDEFGHIJKLMNOPQRSTUVWXYZ;abcdefghijklmnopqrstuvwxyz;;"
+ case $f in
+ ''|~) continue;;
+ ~\\\$:*) fex="h; ${tl} /${f#~\\\$:}/d; g;${fex}";;
+ \\\$:*) fex="h; ${tl} /${f#\\\$:}/{g;${fex}}";;
+ ~*) fex="/(\ttags=([^\t]*,)?)(${f#\~})((,[^\t]*)?\t)/d; ${fex}";;
+ *) fex="/(\ttags=([^\t]*,)?)(${f})((,[^\t]*)?\t)/{${fex}}";;
+ esac
+ printf '%s\n' "${fex}"
+ done \
+ | tail -n1
+)"
+
+list_fullname(){
+ sn="$1"
+ [ ! "${sn%%*/*}" ] && base="${sn%/*}" || base=.
+ file="$(printf '%s' "$_DATA/$ITEM/$sn".*)"
+ file="${file##*/}"
+ [ -e "$_DATA/$ITEM/$base/${file}" ] \
+ && printf '%s\n' "${base}/${file}"
+}
+
+list_filter(){
+ if [ "$FILTER" ]; then
+ debug "FEX:" "$list_fex"
+ sed -nE "$list_fex"
+ elif [ "${SEARCH#!}" != "${SEARCH}" ]; then
+ grep -aviEe "$(STRING "${SEARCH}" \
+ | sed -E ':x s;((^|[^\\])(\\\\)*)\+;\1 ;g; tx;
+ s;((^|[^\\])(\\\\)*)\\\+;\1+;g;
+ s; ;\\+;g;')"
+ elif [ "${SEARCH}" ]; then
+ grep -aiEe "$(STRING "${SEARCH}" \
+ | sed -E ':x s;((^|[^\\])(\\\\)*)\+;\1 ;g; tx;
+ s;((^|[^\\])(\\\\)*)\\\+;\1+;g;
+ s; ;\\+;g;')"
+ else
+ cat
+ fi
+}
+
+list_order(){
+ local fm fn fn al length ln h w t c name buffer l
+
+ if [ $ORDER = Name ]; then
+ sort -k6 |sed 's;^;metashort\t;;'
+ elif [ $ORDER = Group ]; then
+ sed -E '
+ :X
+ s;^([^\t]+\t[^\t]+\t[^\t]+\t[^\t]+\t[^\t]+\t[^ 0-9]*)-([0-9a-zA-Z_-]{11}\r|ph[0-9a-f]{13}\r|[0-9]{8}\r)(.*)$;\1-\r\3 \2\n;;
+ t;
+ s;^([^\t]+\t[^\t]+\t[^\t]+\t[^\t]+\t[^\t]+\t[^ 0-9]*)([0-9]+)(.*)$;\1\r\3 \2;;
+ tX;' \
+ | { sort -n -k7 -k8 -k9 -k10 -k11 |sort -s -k6,6 ; echo '0 0 0 tags= comment= _'; } \
+ | while read -r length h w t c name; do
+ if [ "${ln%% *}" = "${name%% *}" ]; then
+ al=$((al + length))
+ buffer="${buffer}${BR}$length $h $w $t $c $name"
+ else
+ printf '%s\n' "$buffer" |while read -r l; do
+ [ "$l" ] && printf '%s %s\n' "$al" "$l"
+ done
+ al="$length"
+ buffer="$length $h $w $t $c $name"
+ fi
+ ln="$name"
+ done \
+ | sort -s -n -k1,1 |sed -E 's;^[0-9]+\t;metashort\t;;' \
+ | sed -E ':X s;^([^\t]+\t[^\t]+\t[^\t]+\t[^\t]+\t[^\t]+\t[^\r]*)\r([^ ]*) ([^ ]+)( .*)?$;\1\3\2\4;; tX'
+ elif [ $ORDER = Length ]; then
+ sort -sn -k1 |sed 's;^;metashort\t;;'
+ elif [ $ORDER = Date ]; then
+ while read -r fm; do
+ sn="${fm##* }"
+ fn="$(list_fullname "$(UNSTRING "${sn%${CR}}")")"
+ printf '%i %s %s\n' \
+ "$(stat -c %Y "$fn")" "${fm% *}" "$fn"
+ done \
+ | sort -srn -k1 |sed -E 's;^[0-9]+\t;metalong\t;;'
+ fi
+}
+
+list_filemeta(){
+ local meta base cbase fm cachename
+ base="$1"
+ meta="$_DATA/$ITEM/$base/.index/meta"
+ meta_dir "$_DATA/$ITEM/$base"
+
+ cachename="$(printf '%s\n' "$mode" "$FILTER" "$SEARCH" "$ORDER" |sha1sum)"
+ cachename="$_DATA/$ITEM/.index/${cachename% -}.cache"
+
+ if [ "$cachename" -nt "$meta" ] 2>&-; then
+ cat "$cachename"
+ else
+ cbase="$(STRING "$base")"
+ grep -axE '[0-9]+ [0-9]+ [0-9]+ tags=[^ ]* comment=[^ ]* .+' "$meta" \
+ | while read -r fm; do
+ printf '%s %s/%s\n' "${fm% *}" "$cbase" "${fm##* }"
+ done \
+ | list_filter \
+ | list_order \
+ | { [ -d "${meta%meta}" ] && tee "$cachename" || cat; }
+ fi
+}
+
+list_items() {
+ local mode meta
+ mode="$(COOKIE mode |grep -m1 -axE 'index|browse' || printf index )"
+