+[ "$FILTER" ] && list_fex="$(
+ 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(){
+ local short="$(UNSTRING "${1%${CR}}")" file
+ file="$(printf %s\\n "$_DATA/$ITEM/$short".*)"
+ file="${file%%${BR}*}"
+ [ -e "$file" ] && printf %s\\n "${file#${_DATA}/${ITEM}/}"
+}
+
+list_filter(){
+ if [ "$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 group o buffer l
+
+ if [ $ORDER = Name ]; then
+ sort -k6
+ elif [ $ORDER = Group ]; then
+ { sort -n -k8 -k6,6 |sort -s -k7,7 ; echo '0 0 0 tags= comment= _'; } \
+ | while read -r length w h t c name group o; do
+ if [ "${ln%% *}" = "${group}" ]; then
+ al=$((al + length))
+ buffer="${buffer}${BR}$length $w $h $t $c $name"
+ else
+ printf '%s\n' "$buffer" |while read -r l; do
+ [ "$l" ] && printf '%i %s\n' "$al" "$l"
+ done
+ al="$length"
+ buffer="$length $w $h $t $c $name"
+ fi
+ ln="$group"
+ done \
+ | sort -s -n -k1,1 |sed -E 's;^[0-9]+\t;;;'
+ elif [ $ORDER = Length ]; then
+ sort -sn -k1
+ elif [ $ORDER = Date ]; then
+ while read -r fm; do
+ fn="${fm%${CR} *}"
+ fn="$(list_fullname "${fn##* }")"
+ printf '%i %s\n' \
+ "$(stat -c %Y "$fn")" "${fm}"
+ done \
+ | sort -srn -k1 |sed -E 's;^[0-9]+\t;;;'
+ fi
+}
+
+list_items() {
+ local mode meta cachename
+ mode="$(COOKIE mode |grep -m1 -axE 'index|browse' || printf index )"
+
+ cachename="$(printf '%s\n' "$mode" "$FILTER" "$SEARCH" "$ORDER" |sha1sum)"
+ cachename="$_DATA/$ITEM/.index/${cachename% -}.cache"
+ meta="$_DATA/$ITEM/.index/meta"
+ meta_dir "$_DATA/$ITEM/"