3 # Copyright 2023 - 2024 Paul Hänsch
5 # Permission to use, copy, modify, and/or distribute this software for any
6 # purpose with or without fee is hereby granted, provided that the above
7 # copyright notice and this permission notice appear in all copies.
9 # THE SOFTWARE IS PROVIDED “AS IS” AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
12 # SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
15 # IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 P="$PWD" I="$_DATA/index/" _DATE=$((_DATE + 1))
19 if [ "$SEARCH_INDEX" != true ] || [ ! -d "$P" ] || \
20 [ -f "$P/#index.flag" -a ! "$P/#index.flag" -ot "$P/#page.md" ]
26 . "$_EXEC/cgilite/storage.sh"
30 touch -d "@$_DATE" "$P/#index.flag"
32 DOC="$(STRING "${P#"$_DATA/pages"}")"
34 { cat; printf \\n; } \
35 | while IFS='' read -r line; do
36 printf '%s\n' "$line" >&3
40 BEGIN { # Field separator FS should include punctuation, including Unicode Block U+2000 - U+206F
41 if ( length("¡") == 1 ) # Utf-8 aware AWK
42 FS = "([] \\t\\n\\r!\"#'\''()*+,./:;<=>?\\\\^_`{|}~[-]|%[0-9A-Fa-f]{2}|'"$(printf '[\342\200\200-\342\201\257]')"')+";
44 FS = "([] \\t\\n\\r!\"#'\''()*+,./:;<=>?\\\\^_`{|}~[-]|%[0-9A-Fa-f]{2}|'"$(printf '\342\200[\200-\277]|\342\201[\201-\257]')"')+";
47 { for (n = 1; n <= NF; n++) {
48 if ( $n != "" && length($n) <= 128 ) {
49 words[tolower($n)]++; total++;
51 END { for (w in words) printf "%i %i %f %s\n", words[w], total, words[w] / total, w; }
53 | while read -r num total freq word; do
54 [ "$word" ] || continue
55 printf "%i %s %f %i %i\n" \
56 "$_DATE" "$DOC" "$freq" "$num" "$total" \