Pádraig Brady

Most-linked posts?

1. Coreutils Gotchas (2015)
   7 people · 7 mentions · first linked 2018-09-28
2. Common shell script mistakes (2008)
   7 people · 7 mentions · first linked 2010-01-17
3. Some powerful commands for Linux
   5 people · 5 mentions · first linked 2010-03-28
4. /scripts/ps_mem.py
   4 people · 7 mentions · first linked 2010-01-12
5. How the GNU coreutils are tested (2017)
   4 people · 5 mentions · first linked 2017-01-23
6. Common Shell Script Mistakes
   4 people · 4 mentions · first linked 2023-03-08
7. How the GNU coreutils are tested
   3 people · 6 mentions · first linked 2021-12-06
8. /programming/gcc/integer_overflow.html
   3 people · 5 mentions · first linked 2010-12-10
9. /scripts/ansi2html.sh
   3 people · 5 mentions · first linked 2015-06-22
10. More Linux Commands
    3 people · 3 mentions · first linked 2010-06-29

What Hacker News says?

1. pixelbeat · 2011-05-17

   I just tried out my ansi_colours.sh [1] script and it mostly worked. A few notes: wget is available, and it would be cool to piggy back the linux network stack through the browser. cut & paste support is a must for any terminal The space characters are very narrow. Needs to be monospace. All fairly minor compared to the coolness of this. [1] http://www.pixelbeat.org/scripts/ansi_colours.sh

   Comment linking /scripts/ansi_colours.sh

   on “Boot a linux kernel right inside your browser. ”
2. kiyanwang · 2017-09-23

   Submitted Parallel processing with Unix tools as a story · 264 points

   HN discussion
3. pixelbeat · 2016-09-23

   Thanks for the detailed comparisons and writeup. I find this simple wrapper around grep(1) very fast and useful: http://www.pixelbeat.org/scripts/findrepo

   Comment linking /scripts/findrepo

   on “Ripgrep – A new command line search tool”
4. pcr910303 · 2021-12-06

   Submitted How the GNU coreutils are tested as a story · 220 points

   HN discussion
5. pixelbeat__ · 2022-04-15

   Using sponge to replace a file is equivalent to method 6 at: https://www.pixelbeat.org/docs/unix_file_replacement.html Note the caveats listed there

   Comment linking /docs/unix_file_replacement.html

   on “Moreutils: A collection of Unix tools that nobody thought to write long ago”
6. pixelbeat · 2011-04-28

   Submitted The Linux perf command rocks as a story · 188 points

   HN discussion
7. pixelbeat__ · 2017-02-01

   I've a few notes on the programmatic elegance of ASCII at: http://www.pixelbeat.org/docs/utf8_programming.html

   Comment linking /docs/utf8_programming.html

   on “Four Column ASCII”
8. gbog · 2010-11-27

   Submitted Some powerful commands for Linux as a story · 171 points

   HN discussion
9. pixelbeat · 2010-12-25

   I'd already noted Neil Fraser as an open source star http://www.pixelbeat.org/misc/google_stars.html but now see he's an all around great guy

   Comment linking /misc/google_stars.html

   on “Google Engineer bails out student in jail”
10. pmoriarty · 2016-06-03

    Submitted Common shell script mistakes (2008) as a story · 166 points

    HN discussion
11. pixelbeat · 2015-06-22

    Another option for the common case of static output is to render command or script(1) outout directly to static html with something like http://www.pixelbeat.org/scripts/ansi2html.sh

    Comment linking /scripts/ansi2html.sh

    on “Asciinema”
12. reinhardt · 2013-11-17

    Submitted Shell script mistakes as a story · 117 points

    HN discussion
13. pixelbeat__ · 2018-02-15

    You can use strchr() for ascii, or strstr() otherwise. See utf8, searching section in http://www.pixelbeat.org/docs/utf8_programming.html

    Comment linking /docs/utf8_programming.html

    on “Rust 1.24”
14. njn · 2018-09-20

    Submitted How the GNU coreutils are tested (2017) as a story · 107 points

    HN discussion
15. pixelbeat__ · 2024-08-18

    A similar tool for ini files https://www.pixelbeat.org/programs/crudini/

    Comment linking /programs/crudini/

    on “Dasel: Select, put and delete data from JSON, TOML, YAML, XML and CSV”
16. tosh · 2021-06-18

    Submitted Coreutils Gotchas (2015) as a story · 103 points

    HN discussion
17. pixelbeat__ · 2018-04-05

    I'm the GNU coreutils maintainer and have fuzzed them extensively. For example a recent bad bug in TZ handling was found using AFL and fixed by: http://git.sv.gnu.org/gitweb/?p=gnulib.git;a=commitdiff;h=94... We put a lot of effort into the test suite which makes it easy for others to test various experimental security checkers. This has been detailed in the "third party testing" section at: http://www.pixelbeat.org…

    Comment linking /docs/coreutils-testing.html

    on “Patch runs ed, and ed can run anything”
18. PaulHoule · 2024-02-21

    Submitted How the GNU coreutils are tested (2017) as a story · 100 points

    HN discussion
19. pixelbeat__ · 2025-10-25

    GRUB is mentioned but not detailed. Here are some details: https://www.pixelbeat.org/docs/disk/

    Comment linking /docs/disk/

    on “The Linux Boot Process: From Power Button to Kernel”
20. gautamsomani · 2021-12-07

    Submitted Common shell script mistakes (2008) as a story · 81 points

    HN discussion
21. j1elo · 2020-07-07

    I learnt the same trick some years ago, from an article called Shell Scripts Matter : https://dev.to/thiht/shell-scripts-matter So I took some of the advice and tips offered in there, and wrote a template file to be used as a baseline when writing scripts for any project that might need one: https://github.com/j1elo/shell-snippets/blob/master/template... Other resources that I link in the readme of that repo, becaus…

    Comment linking /programming/shell_script_mistakes.html

    on “Help Message for Shell Scripts”
22. signa11 · 2015-11-30

    Submitted GNU Coreutils Gotchas as a story · 57 points

    HN discussion
23. pixelbeat__ · 2022-03-27

    Here's an equivalent visual history of the mozilla mail clients https://www.pixelbeat.org/docs/netscape_email/

    Comment linking /docs/netscape_email/

    on “Firefox UI/UX History”
24. mace · 2010-06-29

    Submitted Essential Vim as a story · 53 points

    HN discussion
25. pixelbeat · 2015-03-24

    That's a bug IMHO which I reported at http://lists.gnu.org/archive/html/bug-bash/2015-02/msg00052.... I've collated other mishandling of closed pipes at: http://www.pixelbeat.org/programming/sigpipe_handling.html

    Comment linking /programming/sigpipe_handling.html

    on “Bug 1202858 – Restarting squid results in deleting all files in hard-drive”
26. jake-low · 2019-10-03

    Submitted GNU Coreutils Gotchas as a story · 24 points

    HN discussion
27. pixelbeat · 2012-10-12

    Added to my list, thanks. http://www.pixelbeat.org/misc/google_search_easter_eggs.html

    Comment linking /misc/google_search_easter_eggs.html

    on “Googling for "conway's game of life" gives a simulation in the results page”
28. miles · 2010-01-17

    Submitted Common shell script mistakes as a story · 20 points

    HN discussion
29. pixelbeat · 2024-11-29

    Nice article. See also: https://www.pixelbeat.org/programming/stdio_buffering/ It's also worth mentioning a recent improvement we made (in coreutils 8.28) to the operation of the `tail | grep` example in the article. tail now notices if the pipe goes away, so one could wait for something to appear in a log, like: tail -f /log/file | grep -q match then_do_something There are lots of gotchas to pipe handling really. S…

    Comment linking /programming/sigpipe_handling.html

    on “Why pipes sometimes get "stuck": buffering”
30. r11t · 2010-03-24

    Submitted The perils of file replacement on *nix as a story · 17 points

    HN discussion

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