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2021-12-23README: add GNU/HurdHiltjo Posthuma
tested for fun
2021-11-26README: reword the part mentioning SFEED_THEMEHiltjo Posthuma
2021-11-26README: small rewordingHiltjo Posthuma
2021-11-26README: merge the contents of the README of sfeed_cursesHiltjo Posthuma
2021-10-24README: tested with the compiler chibicc and RISCV64 VM (OpenBSD and Linux)Hiltjo Posthuma
chibicc (amd64): https://github.com/rui314/chibicc
2021-07-06README: add a simplified version of printing the first enclosureHiltjo Posthuma
This works on sfeed(5) feed output since they are already sorted.
2021-06-05README: fix typo in a commentHiltjo Posthuma
2021-06-05README: fix escape sequence which is non-POSIXHiltjo Posthuma
The "\s" escape sequence is non-POSIX and GNU awk gives a warning: gawk: cmd. line:69: warning: escape sequence `\s' treated as plain `s' BSD awk does not give this warning and supports it. Use the POSIX [[:space:]] character class instead. References: - https://pubs.opengroup.org/onlinepubs/9699919799/utilities/awk.html The table in the section "Regular Expressions". - https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap05.html#tag_05
2021-06-01portability and standards: add BSD-like err() and errx() functionsHiltjo Posthuma
These are BSD functions. - HaikuOS now compiles without having to use libbsd. - Tested on SerenityOS (for fun), which doesn't have these functions (yet). With a small change to support wcwidth() sfeed works on SerenityOS.
2021-04-28README: update newsboat export scriptHiltjo Posthuma
Since newsboat version 2.22 (2020-12-21) it stores the content mime-type of a field so allow to export this. The older entries are empty and will be exported as "html" (even though they might have been plain-text). ... also add the (empty) category field.
2021-03-02README: workaround empty fields with *BSD xargs -0Hiltjo Posthuma
Workaround it by setting the empty "middle" fields to some value. The last field can be empty. Some feeds were incorrectly using the wrong base URL if the `baseurl` field was empty but the encoding field was set. So it incorrectly used the encoding field instead. Only now noticed some feeds were failing because the baseURL is validated since commit f305b032bc19b4e81c0dd6c0398370028ea910ca and returning a non-zero exit status. This doesn't happen with GNU xargs, busybox or toybox xargs. Affected (atleast): OpenBSD, NetBSD, FreeBSD and DragonFlyBSD xargs which share similar code. Simple way to reproduce the difference: printf 'a\0\0c\0' | xargs -0 echo Prints "a c" on *BSD. Prints "a c" on GNU xargs (and some other implementations).
2021-03-01README: combine bandwidth saving options into one sectionHiltjo Posthuma
Combine E-Tags, If-Modified-Since in one section. Also mention the curl --compression option for typically GZIP decompression. Note that E-Tags were broken in curl <7.73 due to a bug with "weak" e-tags. https://github.com/curl/curl/issues/5610 From a question/feedback by e-mail from Hadrien Lacour, thanks.
2021-02-05sfeed_update: $SFEED_UPDATE_INCLUDE: be a bit more precise/pedanticHiltjo Posthuma
2021-01-28README: fix xargs -P example when there are no feedsHiltjo Posthuma
Kindof a non-issue but if theres a sfeedrc with no feeds then xargs will still be executed and give an error. The xargs -r option (GNU extension) fixes this: From the OpenBSD xargs(1) man page: "-r Do not run the command if there are no arguments. Normally the command is executed at least once even if there are no arguments." Reproducable with the sfeedrc: feeds() { true }
2021-01-27typofixesHiltjo Posthuma
2021-01-27README: add an example script to reuse the sfeed_update codeHiltjo Posthuma
This code uses the non-portable xargs -P option to more efficiently process feeds in parallel.
2021-01-22README: tested with laccHiltjo Posthuma
Interesting C compiler project: lacc: A simple, self-hosting C compiler: https://github.com/larmel/lacc
2021-01-16README: newsboat sqlite3 export script: improvementsHiltjo Posthuma
- Export read/unread state to a separate plain-text "urls" file, line by line. - Handle white-space control-chars better. From the sfeed(1) man page: " The fields: title, id, author are not allowed to have newlines and TABs, all whitespace characters are replaced by a single space character. Control characters are removed." So do the reverse for newsboat aswell: change white-space characters which are also control-characters (such as TABs and newlines) to a single space character.
2021-01-01README: add text about page redirects + tweak some words.Hiltjo Posthuma
... move sections around in a more logical order and tweak some words. Prompted by a question and feedback from Aleksei, thanks!
2021-01-01README: tested on MIPS32 (big-endian)Hiltjo Posthuma
2020-10-21README: filter example, filter Google Analytics utm_* parametersHiltjo Posthuma
https://support.google.com/analytics/answer/1033867?hl=nl
2020-10-18README: improve etag example with escaping of the filenameHiltjo Posthuma
Use the same base filename as the feed file, because sfeed_update replaces '/' in names with '_': filename="$(printf '%s' "$1" | tr '/' '_')" This fixes the example for fetching feeds with names containing '/'. Reported by __20h__, thanks!
2020-10-18README: add example to support ETag cachingHiltjo Posthuma
2020-10-16README: fix unescaped character in regex in awk in filter exampleHiltjo Posthuma
Found by testing using mawk.
2020-10-12README: filter example: strip Facebook fbclid parameterHiltjo Posthuma
2020-10-09README: tested with cproc and sdcc on Z80 emulator, for funHiltjo Posthuma
cproc: cproc: https://github.com/michaelforney/cproc qbe: https://c9x.me/compile/ z80 (sfeed base program) fuzix: http://www.fuzix.org/ RC2014 emulator: https://github.com/EtchedPixels/RC2014 sdcc: http://sdcc.sourceforge.net/
2020-07-05README: reference sfeed_cursesHiltjo Posthuma
2020-07-05README: improvementsHiltjo Posthuma
- Add an example to optimize bandwidth use with the curl -z option. - Add a note about CDNs blocking based on the User-Agent (based on a question mailed to me). - Add an script to convert existing newsboat items to the sfeed(5) TSV format.
2020-06-25README: small tweaks and a filter example improvementHiltjo Posthuma
This is a "quick&dirty" regex to block some of the typical 1px width or height tracking pixels.
2020-05-15README: fix indentation for fdm.conf examplesHiltjo Posthuma
No functional difference, but it should improve readability.
2020-05-01README: update tested platformsHiltjo Posthuma
- HPPA in qemu (OpenBSD). - FreeDOS + djgpp (+ wget with networking) in 32-bit mode.
2020-03-11README: update tested environmentsHiltjo Posthuma
2020-02-06README: simplify sfeed_archive example using awkHiltjo Posthuma
Also use a more portable date +'%s' (remove -j). NOTE though: date +'%s' is not POSIX, but it is supported in most cases.
2020-01-18improve README a bitHiltjo Posthuma
2020-01-18add sfeed_gopher: generic gopher formatting program, remove sfeed_gphHiltjo Posthuma
2019-11-24README: add rss2email OPML import exampleHiltjo Posthuma
2019-09-30README: remove wrong $LC_LOCALE, also remove $LC_ALL from examplesHiltjo Posthuma
2019-09-06README: minor typosHiltjo Posthuma
2019-09-06README: improve mail example and add an example similar to rss2emailHiltjo Posthuma
2019-08-22README, README.xml: improve some wordingHiltjo Posthuma
2019-07-27README: improve dmenu exampleHiltjo Posthuma
2019-06-11README: remove an old filename reference, simplify sfeed_update purpose hereHiltjo Posthuma
2019-05-15README and sfeed_update: use names (order vs sort) and in the execution orderHiltjo Posthuma
2019-05-10README: use HTTPS linksHiltjo Posthuma
2019-05-08README: add tail-like example in honor of the removed sfeed_tailHiltjo Posthuma
2019-05-06remove sfeed_tail and recently added security considerationsHiltjo Posthuma
... both are out-of-scope for sfeed. - sfeed_tail can be written as some simple customized awk script reading from a FIFO. The C version did not work well on FIFO's. - Security considerations are mentioned in the official HTML spec and applies to all HTML and protocol handlers, so is out-of-scope.
2019-05-02README: reword a bitHiltjo Posthuma
2019-05-02README: fix typo in pathHiltjo Posthuma
2019-05-02README: add security considerations, tweak preface a bitHiltjo Posthuma
2019-04-30improve READMEHiltjo Posthuma
- add preface text. - use "\t" pattern for awk (easier to read and copy-paste). - add a small example to get the most recent enclosure.
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