commit 8002e2c0dfb757b8c73531e1e5f36415c5c9031b
parent 6341524d8587aba6b647de9798941aa9e6db6cfc
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date: Tue, 30 Apr 2019 00:33:53 +0200
improve README
- add preface text.
- use "\t" pattern for awk (easier to read and copy-paste).
- add a small example to get the most recent enclosure.
Diffstat:
| M | README | | | 29 | +++++++++++++++++++++++++---- |
1 file changed, 25 insertions(+), 4 deletions(-)
diff --git a/README b/README
@@ -3,6 +3,12 @@ sfeed
RSS and Atom parser (and some format programs).
+It converts RSS or Atom feeds from XML to a TAB-separated file.
+There are format programs included to format this TAB-separated format to
+various other formats.
+There are also some programs and scripts included to import and export OPML and
+to update, sort, filter and merge feed items.
+
Build and install
-----------------
@@ -240,7 +246,7 @@ advertisements, strip tracking parameters and more.
filter() {
case "$1" in
"tweakers")
- LC_LOCALE=C awk -F ' ' 'BEGIN { OFS = " "; }
+ LC_LOCALE=C awk -F '\t' 'BEGIN { OFS = "\t"; }
# skip ads.
$2 ~ /^ADV:/ {
next;
@@ -254,14 +260,14 @@ filter() {
}';;
"yt BSDNow")
# filter only BSD Now from channel.
- LC_LOCALE=C awk -F ' ' '$2 ~ / \| BSD Now/';;
+ LC_LOCALE=C awk -F '\t' '$2 ~ / \| BSD Now/';;
*)
cat;;
esac | \
# replace youtube links with embed links.
sed 's@www.youtube.com/watch?v=@www.youtube.com/embed/@g' | \
- LC_LOCALE=C awk -F ' ' 'BEGIN { OFS = " "; }
+ LC_LOCALE=C awk -F '\t' 'BEGIN { OFS = "\t"; }
function filterlink(s) {
# protocol must start with http, https or gopher.
if (match(s, /^(http|https|gopher):\/\//) == 0) {
@@ -312,7 +318,7 @@ to an Atom XML feed (again):
#!/bin/sh
cd ~/.sfeed/feeds/ || exit 1
-LC_ALL=C awk -F ' ' -v "old=$(($(date -j +'%s') - 86400))" '
+LC_ALL=C awk -F '\t' -v "old=$(($(date -j +'%s') - 86400))" '
BEGIN {
OFS = "\t";
}
@@ -327,6 +333,21 @@ sfeed_atom
- - -
+For some podcast feed the following code can be used to filter the latest
+enclosure url (probably some audio file):
+
+LC_ALL=C awk -F "\t" 'BEGIN { latest = 0; }
+length($8) {
+ ts = int($1);
+ if (ts > latest) {
+ url = $8;
+ latest = ts;
+ }
+}
+END { if (length(url)) { print url; } }'
+
+- - -
+
Over time your feeds file might become quite big. You can archive items from a
specific date by doing for example:
