awk based
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216
src/list.awk
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216
src/list.awk
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# awk script to generate summary line for iCalendar VJOURNAL and VTODO entries
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#
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# See https://datatracker.ietf.org/doc/html/rfc5545 for the RFC 5545 that
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# describes iCalendar, and its syntax
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function getcontent(content_line, prop)
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{
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return substr(content_line[prop], index(content_line[prop], ":") + 1);
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}
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function storetext_line(content_line, c, prop)
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{
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c[prop] = getcontent(content_line, prop);
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gsub("\\\\n", " ", c[prop]);
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gsub("\\\\N", " ", c[prop]);
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gsub("\\\\,", ",", c[prop]);
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gsub("\\\\;", ";", c[prop]);
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gsub("\\\\\\\\", "\\", c[prop]);
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#gsub(" ", "_", c[prop]);
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}
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function storeinteger(content_line, c, prop)
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{
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c[prop] = getcontent(content_line, prop);
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c[prop] = c[prop] ? c[prop] : 0;
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}
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function storedatetime(content_line, c, prop)
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{
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c[prop] = getcontent(content_line, prop);
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}
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function storedate(content_line, c, prop)
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{
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c[prop] = substr(getcontent(content_line, prop), 1, 8);
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}
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function formatdate(date, today, todaystamp, ts, ts_y, ts_m, ts_d, delta)
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{
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ts_y = substr(date, 1, 4);
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ts_m = substr(date, 5, 2);
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ts_d = substr(date, 7);
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ts = mktime(ts_y " " ts_m " " ts_d " 00 00 00");
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delta = (ts - todaystamp) / 86400;
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if (delta >= 0 && delta < 1) {
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return "today";
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}
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if (delta >= 1 && delta < 2) {
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return "tomorrow";
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}
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if (delta >= 2 && delta < 3) {
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return "in two days";
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}
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if (delta >= 3 && delta < 4) {
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return "in three days";
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}
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if (delta < 0 && delta >= -1) {
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return "yesterday";
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}
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if (delta < -1 && delta >= -2) {
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return "two days ago";
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}
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if (delta < -2 && delta >= -3) {
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return "three days ago";
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}
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return " " substr(date, 1, 4) "-" substr(date, 5, 2) "-" substr(date, 7);
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}
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BEGIN {
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# We require the following variables to be set using -v
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# collection_lables: ;-delimited collection=label strings
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# flag_open: symbol for open to-do's
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# flag_completed: symbol for completed to-do's
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# flag_journal: symbol for journal entries
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# flag_note: symbol for note entries
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FS = "[:;]";
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# Collections
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split(collection_labels, mapping, ";");
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for (map in mapping)
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{
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split(mapping[map], m, "=");
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collection2label[m[1]] = m[2];
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}
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# Colors
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GREEN = "\033[1;32m";
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RED = "\033[1;31m";
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WHITE = "\033[1;97m";
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CYAN = "\033[1;36m";
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FAINT = "\033[2m";
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OFF = "\033[m";
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# For date comparision
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today = strftime("%Y%m%d");
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todaystamp = mktime(substr(today, 1, 4) " " substr(today, 5, 2) " " substr(today, 7) " 00 00 00");
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}
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# Reset variables
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BEGINFILE {
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type = "";
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prop = "";
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delete content_line;
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delete c;
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}
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/^BEGIN:(VJOURNAL|VTODO)/ {
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type = $2
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}
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/^END:/ && $2 == type {
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nextfile
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}
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/^(CATEGORIES|DESCRIPTION|PRIORITY|STATUS|SUMMARY|COMPLETED|DUE|DTSTART|DURATION|CREATED|DTSTAMP|LAST-MODIFIED)/ {
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prop = $1;
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content_line[prop] = $0;
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next;
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}
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/^[^ ]/ && prop {
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prop = "";
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next;
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}
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/^ / && prop {
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content_line[prop] = content_line[prop] substr($0, 2);
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next;
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}
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ENDFILE {
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if (!type) {
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exit
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}
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# Process content lines
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storetext_line(content_line, c, "CATEGORIES" );
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storetext_line(content_line, c, "DESCRIPTION" );
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storeinteger( content_line, c, "PRIORITY" );
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storetext_line(content_line, c, "STATUS" );
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storetext_line(content_line, c, "SUMMARY" );
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storedatetime( content_line, c, "COMPLETED" );
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storedate( content_line, c, "DUE" );
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storedate( content_line, c, "DTSTART" );
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storedatetime( content_line, c, "DURATION" );
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storedatetime( content_line, c, "CREATED" );
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storedatetime( content_line, c, "DTSTAMP" );
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storedatetime( content_line, c, "LAST-MODIFIED");
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# Priority field, primarly used for sorting
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prio = c["PRIORITY"] > 0 ? 10 - c["PRIORITY"] : "0";
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priotext = "";
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prio = 0;
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if (c["PRIORITY"] > 0)
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{
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prio = 10 - c["PRIORITY"];
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priotext = "❗(" prio ") ";
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}
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# Last modification/creation time stamp, used for sorting
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# LAST-MODIFIED: Optional field for VTODO and VJOURNAL entries, date-time in
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# UTC time format
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# DTSTAMP: mandatory field in VTODO and VJOURNAL, date-time in UTC time
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# format
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mod = c["LAST-MODIFIED"] ? c["LAST-MODIFIED"] : c["DTSTAMP"];
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# Collection name
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depth = split(FILENAME, path, "/");
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collection = depth > 1 ? path[depth-1] : "";
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collection = collection in collection2label ? collection2label[collection] : collection;
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# Date field. For VTODO entries, we show the due date, for journal entries,
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# the associated date.
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datecolor = CYAN;
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summarycolor = GREEN;
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if (type == "VTODO")
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{
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# Either DUE or DURATION may appear. If DURATION appears, then also DTSTART
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d = c["DUE"] ? c["DUE"] :
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(c["DURATION"] ? c["DTSTART"] " for " c["DURATION"] : "");
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if (d && d < today && c["STATUS"] != "COMPLETED")
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{
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datecolor = RED;
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summarycolor = RED;
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}
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} else {
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d = c["DTSTART"];
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}
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d = d ? formatdate(d, today, todaystamp ts, ts_y, ts_m, ts_d, delta) : " ";
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# flag: - "journal" for VJOURNAL with DTSTART
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# - "note" for VJOURNAL without DTSTART
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# - "completed" for VTODO with c["STATUS"] == COMPLETED
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# - "open" for VTODO with c["STATUS"] != COMPLETED
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if (type == "VTODO")
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flag = c["STATUS"] == "COMPLETED" ? flag_completed : flag_open;
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else
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flag = c["DTSTART"] ? flag_journal : flag_note;
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# summary
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# c["SUMMARY"]
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summary = c["SUMMARY"] ? c["SUMMARY"] : " "
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# categories
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categories = c["CATEGORIES"] ? c["CATEGORIES"] : " "
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# filename
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# FILENAME
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print prio,
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mod,
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collection,
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datecolor d OFF,
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flag,
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priotext summarycolor summary OFF,
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WHITE categories OFF,
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" " FAINT FILENAME OFF;
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}
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