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0	# This is an sfeedrc(5) configuration file for sfeed_update(1).
1
2	# The key difference is that it truncates your feed files at every update,
3	# keeping only new posts. This saves you the work of filtering out old posts.
4
5
6	# You probably want to EDIT this.
7	sfeedpath="/opt/fedbots/uea/"
8
9
10	# You probably want to EDIT this.
11	# This contains a list of all your feeds, in the format:
12	# feed NAME URL DOMAIN ENCODING
13	feeds() {
14	feed "posts" "https://uea.facila.org/rss/1-artikola-fluo.xml/" "https://uea.facila.org" "UTF-8"
15	}
16
17
18	# This overrides sfeed_update’s default merge() function.
19	# This makes it so that only new and unseen posts are put in the feed file.
20	# This is done by storing the date of the latest post in an extended attribute,
21	# for comparison during the next update..
22	merge() {
23	local oldfile="$2"
24	local newfile="$3"
25
26	local previous_max_date="$(attr -q -g sfeed_latest "$oldfile" 2> /dev/null)"
27	if test -z "$previous_max_date"; then
28	previous_max_date=0
29	fi
30
31	# Update the date of the last-processed post.
32	local latest_date="$(latest_date "$newfile")"
33	attr -qs sfeed_latest -V "$latest_date" "$oldfile" 2> /dev/null
34
35	# Output only new and unprocessed posts.
36	after_date "$newfile" "$previous_max_date"
37	}
38
39
40	# Given an sfeed file, this returns the date of the latest post (in seconds
41	# since the UNIX epoch).
42	latest_date() {
43	local file="$1"
44	awk -F '\t' \
45	'$1 > latest { latest = $1 } END { print latest }' \
46	"$file"
47	}
48
49
50	# This outputs only lines of an sfeed file with a date after the given min_date
51	# (in seconds since UNIX epoch).
52	after_date() {
53	local file="$1"
54	local min_date="$2"
55	awk -F '\t' -v min_date="$min_date" \
56	'$1 > min_date { print $0 }' \
57	"$file"
58	}