Tuesday, 2025-07-08.
00:22:02.
Explicit.
general.
Bash, function, Perl, find.
Writing a function or script to find a given file
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2025-06-24.
00:12:34.
Explicit.
general.
Bash, scripting.
My take on Ken's response to Kevie's show 4398
Listen in ogg,
opus,
or mp3 format.
Monday, 2024-11-18.
00:57:42.
Explicit.
general.
HPR hosts, discussion, Edinburgh.
It's a leafy day in Studio N
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2024-10-15.
00:25:53.
Explicit.
general.
JSON, JavaScript Object Notation, jq, jq filter, jq language.
More filters
Listen in ogg,
opus,
or mp3 format.
Monday, 2024-09-09.
00:21:41.
Explicit.
Today I Learnt.
TIL, date, paste.
Some random technical items this time
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2024-08-07.
00:07:41.
Explicit.
Today I Learnt.
Galactic plane, Galactic year, extinction, millilitre, Meibomium glands.
A few more things I learnt recently
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2024-07-03.
01:00:01.
Explicit.
general.
Edinburgh, discussion.
The Edinburgh HPR hosts meet and chat again
Listen in ogg,
opus,
or mp3 format.
Thursday, 2024-05-09.
00:24:44.
Explicit.
general.
JSON, JavaScript Object Notation, jq, jq filter, jq language.
Options to jq; learning about filters
Listen in ogg,
opus,
or mp3 format.
Thursday, 2024-04-25.
00:18:35.
Explicit.
general.
JSON, JavaScript Object Notation, command line, functional programming language, jq.
The JSON data format, and using the jq utility to process it
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2024-03-26.
00:45:03.
Explicit.
general.
Edinburgh, Swanston Farm, meeting.
MrX and Dave Morriss bring you more chit-chat from Edinburgh
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2024-01-09.
00:10:20.
Explicit.
Today I Learnt.
human physiology, hemoglobin, Sickle Cell Disease, fetus, Perl.
Three random things I discovered in the recent past
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2023-12-05.
00:07:57.
Explicit.
Today I Learnt.
learning, learned, learnt, TIL, English, French, phonetics, IPA, tirelire.
Some odds and ends I learnt today
Listen in ogg,
opus,
or mp3 format.
Friday, 2023-11-10.
00:27:24.
Explicit.
Bash Scripting.
Bash, loop, process, shell.
A loop in a pipeline runs in a subshell
Listen in ogg,
opus,
or mp3 format.
Thursday, 2023-09-28.
01:14:22.
Explicit.
general.
Edinburgh, The Steading, discussion.
MrX and Dave Morriss have lunch and record another chat
Listen in ogg,
opus,
or mp3 format.
Monday, 2023-07-31.
00:20:55.
Explicit.
Lightweight Apps.
search, grep, regular expression, Perl.
A Perl-based 'grep'-like tool that can search by file type
Listen in ogg,
opus,
or mp3 format.
Thursday, 2023-06-15.
00:45:47.
Explicit.
general.
Edinburgh, Hillend, discussion.
MrX and Dave Morriss have lunch and record a chat
Listen in ogg,
opus,
or mp3 format.
Monday, 2023-04-17.
00:11:55.
Explicit.
Lightweight Apps.
directory, folder, change directory, cd, zoxide, autojump.
Dave has been using 'zoxide' for a little while and really likes it
Listen in ogg,
opus,
or mp3 format.
Thursday, 2023-04-06.
00:54:56.
Explicit.
general.
Edinburgh, meeting.
Dave Morriss and MrX talk about various technical topics
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2023-02-08.
00:06:37.
Explicit.
general.
torch, flashlight, rechargeable, Lithium Ion.
I have owned one of these for many years and find it very useful
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2022-12-21.
00:11:56.
Explicit.
general.
English, abbreviation, numeronym, alphanumeric acronym, numerical contraction.
AKA alphanumeric acronyms, alphanumeric abbreviations, or numerical contractions
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2022-11-08.
00:08:33.
Explicit.
Bash Scripting.
Bash, plural, ngettext.
How to use English singular and plural words in messages
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2022-10-26.
00:16:40.
Explicit.
Bash Scripting.
Bash, Boolean expression, short-circuit evaluation.
Found I could do this in Bash, so wanted to share!
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2022-10-11.
01:02:02.
Explicit.
general.
chat, old technology, organiser.
From Scotland, another chat between MrX and Dave Morriss
Listen in ogg,
opus,
or mp3 format.
Monday, 2022-06-20.
00:20:36.
Explicit.
YouTube Subscriptions.
YouTube, channel.
A few of the channels that distracted me through COVID-19 and beyond
Listen in ogg,
opus,
or mp3 format.
Monday, 2022-06-13.
00:14:59.
Explicit.
general.
HPR Scheduling, Queue, Reserve Queue.
You can now submit shows to the Reserve Queue for when free slots are not filled on time.
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2022-06-01.
00:15:27.
Explicit.
Battling with English.
grammar, spelling, homonym, Eggcorn.
Confused homophones; misunderstanding words from other countries; Eggcorns
Listen in ogg,
opus,
or mp3 format.
Monday, 2022-05-23.
00:05:56.
Explicit.
general.
Cars, automobiles, Austin Maestro.
In the 1980's, out of ignorance, I bought a real dud of a car
Listen in ogg,
opus,
or mp3 format.
Thursday, 2022-05-12.
01:07:37.
Explicit.
general.
conversation, Scots language, swither, peely-wally.
MrX and Dave Morriss chatting about this and that
Listen in ogg,
opus,
or mp3 format.
Friday, 2022-04-15.
01:02:04.
Explicit.
general.
conversation, blether.
MrX and Dave Morriss catching up after nearly a year
Listen in ogg,
opus,
or mp3 format.
Thursday, 2022-03-31.
00:12:25.
Explicit.
general.
image, Exif, exiftool, GraphicsMagick, orientation.
An image might reveal data you want to keep private
Listen in ogg,
opus,
or mp3 format.
Monday, 2022-03-14.
00:24:35.
Explicit.
Bash Scripting.
Bash, eval, mapfile, environment variables.
Using 'eval', 'mapfile' and environment variables
Listen in ogg,
opus,
or mp3 format.
Friday, 2022-02-04.
00:15:20.
Explicit.
Battling with English.
grammar, spelling, plurals, word misuse, English, language evolution.
Some confusion with English plurals; strange language changes
Listen in ogg,
opus,
or mp3 format.
Thursday, 2022-01-06.
00:45:18.
Explicit.
general.
astronomy, telescope, rocket launch, JWST, NASA, ESA, CSA.
Andrew and Dave watch the launch of the JWST
Listen in ogg,
opus,
or mp3 format.
Friday, 2021-10-15.
01:12:08.
Explicit.
Health and Healthcare.
COVID-19, social distancing, masks, aerosol, Vitamin D3, body temperature, vaccines.
A response to HPR 3414
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2021-09-01.
00:45:38.
Explicit.
Bash Scripting.
Bash, coproc, subshell, coprocess, pipe, file descriptor.
Sending multiple queries to a running instance of sqlite3
Listen in ogg,
opus,
or mp3 format.
Monday, 2021-07-26.
00:22:22.
Explicit.
general.
Perl, SQLite3, database, food.
Some scripts and a database for randomly choosing which meal to cook
Listen in ogg,
opus,
or mp3 format.
Monday, 2021-07-12.
00:48:39.
Explicit.
general.
Markdown, Pandoc, Template Toolkit, PDF.
Part 2 of a discussion about how two HPR hosts create books
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2021-04-13.
01:11:28.
Explicit.
general.
COVID-19.
MrX and Dave Morriss have a chat over Mumble in these trying times
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2020-11-03.
00:23:40.
Explicit.
The art of writing.
fountain pen, gel pen, mechanical pencil, ink, paper.
Looking at another batch of writing equipment
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2020-10-13.
01:19:23.
Explicit.
general.
COVID-19, SARS-Cov-2, Vitamin D, 6502 microprocessor, BBC Micro.
From Scotland, two HPR hosts chew the fat
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2020-09-29.
00:49:43.
Explicit.
general.
COVID-19, physical isolation, discussion.
Second half of the chat between MrX and Dave Morriss
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2020-09-22.
00:42:27.
Explicit.
general.
COVID-19, physical isolation, discussion.
MrX and Dave Morriss chat from opposite sides of the Pentland Hills, Edinburgh
Listen in ogg,
opus,
or mp3 format.
Monday, 2020-09-14.
00:19:52.
Explicit.
general.
podcast, software, mp3 player, database.
Another reply to MrX's episode on how he listens to podcasts
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2020-09-01.
00:14:30.
Explicit.
general.
knife, pocket knife, penknife, Victorinox, Durol, Roxon.
I talk a little about some pocket knives I often carry
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2020-06-09.
00:20:56.
Explicit.
The art of writing.
fountain pen, mechanical pencil, paper.
Looking at more writing equipment
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2020-05-27.
00:50:21.
Explicit.
general.
COVID-19, lockdown.
Two Edinburgh-based hosts have a chat from their respective houses
Listen in ogg,
opus,
or mp3 format.
Monday, 2020-05-18.
00:58:46.
Explicit.
general.
Virus, Virion, COVID-19.
A COVID-19 lockdown chat from Scotland
Listen in ogg,
opus,
or mp3 format.
Monday, 2020-05-11.
00:13:19.
Explicit.
Bash Scripting.
Bash, quotes.
How to add quotes to quoted strings in Bash
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2020-04-29.
00:14:39.
Explicit.
The art of writing.
fountain pen, ballpoint pen.
Looking at a few more of my writing implements
Listen in ogg,
opus,
or mp3 format.
Thursday, 2020-03-26.
00:26:48.
Explicit.
general.
Raspberry Pi, VGA monitor, MagicMirror2, MQTT, Node.js, Electron.
A project making use of my Pi 3A+, an old monitor and MagicMirror2
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2020-02-19.
00:41:37.
Explicit.
Bash Scripting.
Bash, variable, environment, environment variable.
Environment variables
Listen in ogg,
opus,
or mp3 format.
Thursday, 2020-02-06.
00:13:28.
Explicit.
general.
audio, Audacity, effects, problem solving.
Sharing a few experiences with Audacity that may be helpful to others
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2019-12-24.
00:44:41.
Explicit.
general.
HPR, hosts, meeting, technology.
MrX and Dave Morriss chat about nerdy things near a ski slope
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2019-12-18.
00:40:41.
Explicit.
How I got into tech.
video recorder, Skinner box, logic gate, digitiser, Dobbie McInnes, Data General, teletype, Cyber-72, APL, Si.
Part 3 of my personal story of experiences with computers
Listen in ogg,
opus,
or mp3 format.
Friday, 2019-09-20.
00:19:05.
Explicit.
general.
HPR, hosts, meeting, Dave Morriss, MrX.
Dave Morriss and MrX meet up and record a conversation
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2019-08-13.
00:22:38.
Explicit.
Bash Scripting.
zenity, Bash scripting, pdmenu, GTK+.
Zenity is a rather cool program that will display GTK+ dialogs from a script
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2019-07-09.
00:42:44.
Explicit.
Learning Awk.
Gnu Awk, advanced features.
Winding up the Gnu Awk series
Listen in ogg,
opus,
or mp3 format.
Thursday, 2019-05-30.
00:31:56.
Explicit.
Learning Awk.
Awk utility, Awk Language, gawk, redirection.
Redirection of input and output - part 2
Listen in ogg,
opus,
or mp3 format.
Monday, 2019-05-20.
00:22:37.
Explicit.
Learning Awk.
Awk utility, Awk Language, gawk, redirection.
Redirection of input and output - part 1
Listen in ogg,
opus,
or mp3 format.
Monday, 2019-02-25.
00:32:35.
Explicit.
Bash Scripting.
Bash, array, delete, positional parameters.
Deleting arrays; positional and special parameters in Bash
Listen in ogg,
opus,
or mp3 format.
Monday, 2019-02-18.
00:13:42.
Explicit.
Battling with English.
grammar, spelling, punctuation, word misuse, English.
Misunderstandings about English grammar, spelling, punctuation, etc.
Listen in ogg,
opus,
or mp3 format.
Thursday, 2019-01-31.
00:25:53.
Explicit.
Bash Scripting.
Bash, array, declare, typeset, local, readonly, read, mapfile, readarray.
Arrays in Bash (part 4)
Listen in ogg,
opus,
or mp3 format.
Monday, 2019-01-28.
00:18:24.
Explicit.
Bash Scripting.
Bash, ShellCheck.
Some suggestions on how to improve a Bash script
Listen in ogg,
opus,
or mp3 format.
Thursday, 2019-01-17.
00:31:38.
Explicit.
Bash Scripting.
Bash, array, indexed array, associative array, parameter expansion.
Arrays in Bash (part 3)
Listen in ogg,
opus,
or mp3 format.
Thursday, 2019-01-10.
00:09:09.
Explicit.
general.
3D printing, DIN rail, Raspberry Pi.
I created DIN rail fittings for attaching my RPi 3B+ and an SSD disk
Listen in ogg,
opus,
or mp3 format.
Thursday, 2019-01-03.
00:34:16.
Explicit.
Bash Scripting.
Bash, array, indexed array, associative array.
Arrays in Bash (part 2)
Listen in ogg,
opus,
or mp3 format.
Thursday, 2018-12-20.
00:24:00.
Explicit.
Bash Scripting.
Bash, array, indexed array, associative array.
Arrays in Bash (part 1)
Listen in ogg,
opus,
or mp3 format.
Thursday, 2018-12-06.
00:29:54.
Explicit.
Bash Scripting.
Bash, loop, ls, pipe, pipeline, find, extglob.
Some of the pitfalls when using loops in Bash
Listen in ogg,
opus,
or mp3 format.
Thursday, 2018-11-22.
00:28:08.
Explicit.
Bash Scripting.
Bash, loop, for, break, continue.
More about loops - the 'for' loop, 'break' and 'continue'
Listen in ogg,
opus,
or mp3 format.
Thursday, 2018-11-08.
00:36:42.
Explicit.
Bash Scripting.
Bash, extended test, regular expression, capture group, BASH_REMATCH, back reference.
Making decisions in Bash (part 5)
Listen in ogg,
opus,
or mp3 format.
Thursday, 2018-10-25.
00:28:22.
Explicit.
Bash Scripting.
Bash, test, regular expression.
Making decisions in Bash (part 4)
Listen in ogg,
opus,
or mp3 format.
Thursday, 2018-10-11.
00:28:22.
Explicit.
Bash Scripting.
Bash, test, conditional expression, string comparison, pattern.
Making decisions in Bash (part 3)
Listen in ogg,
opus,
or mp3 format.
Thursday, 2018-09-27.
00:22:52.
Explicit.
Bash Scripting.
Bash, test, while, until, if, case.
Making decisions in Bash (part 2)
Listen in ogg,
opus,
or mp3 format.
Thursday, 2018-09-13.
00:21:45.
Explicit.
Bash Scripting.
Bash, test, true, false.
Making decisions in Bash (part 1)
Listen in ogg,
opus,
or mp3 format.
Friday, 2018-08-03.
00:34:10.
Explicit.
Learning Awk.
Awk utility, Awk Language, gawk, arrays, sorting.
Advanced use of arrays
Listen in ogg,
opus,
or mp3 format.
Monday, 2018-07-16.
00:21:22.
Explicit.
Battling with English.
grammar, spelling, punctuation, word misuse, English, apostrophe.
Misunderstandings about English grammar, spelling, punctuation, etc.
Listen in ogg,
opus,
or mp3 format.
Monday, 2018-06-25.
00:20:39.
Explicit.
general.
3D printer.
I bought a Creality Ender 3 3D printer in June 2018. Here are my first impressions of it
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2018-05-23.
00:11:18.
Explicit.
Battling with English.
grammar, spelling, punctuation, word misuse, English.
Misunderstandings about English grammar, spelling, punctuation, etc.
Listen in ogg,
opus,
or mp3 format.
Thursday, 2018-05-03.
00:32:58.
Explicit.
general.
YouTube, OPML, XML, xmlstarlet, Template Toolkit.
In show 2493 I listed some of my YT subscriptions - here's how
Listen in ogg,
opus,
or mp3 format.
Monday, 2018-04-09.
00:42:15.
Explicit.
Learning Awk.
Awk utility, Awk language, gawk, arrays.
More about arrays in Gnu Awk
Listen in ogg,
opus,
or mp3 format.
Friday, 2018-03-09.
00:27:11.
Explicit.
GNU Readline.
command line, cli, GNU Readline.
More useful key combinations
Listen in ogg,
opus,
or mp3 format.
Monday, 2018-02-26.
00:11:10.
Explicit.
Bash Scripting.
Raspberry Pi, RPi.
How to collect identifying information about RPi devices
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2018-02-21.
00:14:45.
Explicit.
general.
YouTube, channel.
Some of the YouTube channels I have subscribed to in the last year
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2018-02-07.
00:39:46.
Explicit.
Bash Scripting.
coding, Bash, script, function.
A Bash function for parsing lists of numbers and ranges
Listen in ogg,
opus,
or mp3 format.
Thursday, 2018-01-18.
00:17:45.
Explicit.
Bash Scripting.
Bash, date, ISO 8601, epoch.
Working out dates and times in a Bash script
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2017-12-27.
00:19:25.
Explicit.
GNU Readline.
command line, cli, GNU Readline.
Various ways of deleting and undeleting on the command line with GNU Readline
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2017-12-20.
00:33:53.
Explicit.
Bash Scripting.
coding, Bash, script, function.
A few more possibly useful Bash functions are discussed
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2017-12-13.
00:15:27.
Explicit.
general.
command line, menu, pdmenu, .pdmenurc.
I have been using this menu tool over the past year, and I really like it
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2017-12-06.
00:20:39.
Explicit.
Learning Awk.
Awk utility, Awk language, gawk, loops.
More about loops
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2017-10-10.
00:32:39.
Clean.
general.
astronomy, podcast.
An introduction to an astronomy podcast that you might like
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2017-08-23.
00:10:39.
Explicit.
general.
TV, television, licence.
I don't watch any TV so I don't need a licence, but cancelling it is unexpectedly difficult
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2017-08-02.
00:38:06.
Explicit.
Vim Hints.
vim, editor, movement, copy, paste, text object, configuration, .vimrc.
Hints and Tips for Vim users - part 5
Listen in ogg,
opus,
or mp3 format.
Thursday, 2017-07-20.
00:20:55.
Explicit.
Podcast recommendations.
podcast, feed, recommendation.
Updates to my list of podcast feeds
Listen in ogg,
opus,
or mp3 format.
Thursday, 2017-07-06.
00:28:27.
Explicit.
Hobby Electronics.
electronics, clock, soldering.
I bought a self-build digital clock on eBay and document the building process
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2017-06-20.
00:28:27.
Explicit.
Bash Scripting.
Bash, shopt, filename expansion, scp, rsync.
How does scp manage extended glob patterns?
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2017-05-30.
00:07:08.
Explicit.
Bash Scripting.
Bash, shopt, nullglob, filename expansion.
After learning about the nullglob option I have started to use it
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2017-05-23.
01:08:32.
Explicit.
general.
Magnatune, music.
Andrew and Dave offer you some more tracks from Magnatune
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2017-05-17.
00:38:25.
Explicit.
Bash Scripting.
Bash, expansion, filename expansion, extglob, extended pattern matching.
Finishing off the subject of expansion in Bash (part 2)
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2017-04-26.
00:39:35.
Explicit.
Bash Scripting.
Bash, expansion, pathname expansion, shopt.
Finishing off the subject of expansion in Bash (part 1)
Listen in ogg,
opus,
or mp3 format.
Friday, 2017-04-14.
00:31:33.
Explicit.
general.
HPR, database, schema, tags, many-to-many.
Looking for the best way to store and manage tags in the HPR database, part 3
Listen in ogg,
opus,
or mp3 format.
Friday, 2017-03-31.
00:24:37.
Explicit.
general.
HPR, database, schema, tag, SQL, foreign key.
Looking for the best way to store and manage tags in the HPR database, part 2
Listen in ogg,
opus,
or mp3 format.
Friday, 2017-03-24.
00:26:11.
Explicit.
general.
HPR, community, contribution, podcast.
HPR is a wonderful yet fragile project completely dependent on a steady flow of shows from hosts
Listen in ogg,
opus,
or mp3 format.
Friday, 2017-03-10.
00:26:08.
Explicit.
general.
HPR, database, schema, tag.
Looking for the best way to store and manage tags in the HPR database, part 1
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2017-03-01.
00:39:39.
Explicit.
Learning Awk.
Awk utility, Awk language, gawk, regular expression.
Looking more deeply into Awk's regular expressions
Listen in ogg,
opus,
or mp3 format.
Monday, 2017-01-23.
00:25:58.
Explicit.
general.
podcast, RSS, Atom, Rockbox, playlist, Bashpodder, PostgreSQL, XSLT.
How I download, manage, listen to and delete podcasts
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2017-01-10.
00:24:47.
Explicit.
general.
making, youtube, podcast.
I am trying to learn to make various things and am watching YouTube to find information
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2016-11-30.
00:39:09.
Explicit.
general.
Raspberry Pi, Blinkt!, BlinkStick, MQTT, Mosquitto.
I have a Raspberry Pi Zero with a Blinkt! 8-LED array I'm setting up as a notification device
Listen in ogg,
opus,
or mp3 format.
Monday, 2016-11-21.
00:14:47.
Explicit.
general.
slide rule, logarithm, slipstick, analogue computer.
By popular request, a description of how a slide rule works
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2016-11-16.
00:31:09.
Explicit.
Learning Awk.
Awk utility, Awk language, gawk, variables.
Recapping the last episode and looking at variables in an Awk program
Listen in ogg,
opus,
or mp3 format.
Friday, 2016-10-07.
00:27:59.
Explicit.
Bash Scripting.
bash, sox, speed.
I want to speed up some of my podcasts and truncate silence in them too so I wrote a script to do it
Listen in ogg,
opus,
or mp3 format.
Thursday, 2016-09-29.
00:26:38.
Explicit.
Learning Awk.
Awk utility, Awk language, gawk, text manipulation.
We examine how Awk works, records and fields, printing and program files
Listen in ogg,
opus,
or mp3 format.
Monday, 2016-09-12.
00:12:26.
Explicit.
general.
duffer, gardening.
Prior to a Duffercast recording chalkahlom, inscius and I had a conversation about gardening
Listen in ogg,
opus,
or mp3 format.
Thursday, 2016-09-01.
00:15:25.
Explicit.
general.
BPPV, inner ear, vestibular system.
How I discovered some new things about how my inner ear works and how to stop falling over
Listen in ogg,
opus,
or mp3 format.
Monday, 2016-08-15.
00:23:21.
Explicit.
Bash Scripting.
coding, Bash, script, function.
The further development of a Bash function that may be of use in your scripts
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2016-08-10.
00:20:02.
Explicit.
Interviews.
Interview, Linux, hospital, Hospital Information System, GNU Health, Raspberry Pi, NUC, LIMS, PACS, FHIR.
I talk to my friend Tom and his collaborator Euan who are working on a project using GNU Health
Listen in ogg,
opus,
or mp3 format.
Monday, 2016-07-25.
00:11:09.
Explicit.
general.
laptop, repair, audio jack, Dremel, USB DAC.
My daughter broke the headphone jack in her laptop. I tried to get the remains out
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2016-07-13.
00:11:56.
Explicit.
GNU Readline.
command line, cli, GNU Readline.
There's a lot you can do to speed up typing by using GNU Readline. We'll explore how in this series
Listen in ogg,
opus,
or mp3 format.
Friday, 2016-06-24.
00:48:09.
Explicit.
Learning sed.
sed, stream editor, pattern space, hold space.
Finishing covering sed commands. Looking at some example scripts
Listen in ogg,
opus,
or mp3 format.
Friday, 2016-06-03.
00:55:53.
Explicit.
Bash Scripting.
Bash, expansion, process substitution, word splitting.
Yet more information about types of expansion in Bash
Listen in ogg,
opus,
or mp3 format.
Monday, 2016-05-23.
00:28:36.
Explicit.
general.
Glasgow, Podcrawl, open source, ccmusic, podcast, Linux.
Kevie and Dave invite you to the 2016 Glasgow Podcrawl
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2016-05-04.
00:28:36.
Explicit.
general.
Raspberry Pi, SSD, Raspbian.
I bought a RPi 3, a case, a heatsink and an SSD and have set the Pi up as a server
Listen in ogg,
opus,
or mp3 format.
Monday, 2016-04-18.
00:47:38.
Explicit.
Learning sed.
sed, stream editor, pattern space, hold space.
How sed really works. Less frequently used sed commands
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2016-04-12.
00:17:22.
Explicit.
general.
laptop, Ubuntu, OggCamp, entroware.
I won an Entroware laptop at OggCamp 2015. I talk about it here
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2016-03-29.
01:03:48.
Explicit.
Learning sed.
sed, stream editor, line address, regular expression, edit command.
Looking at some more sed commands than just s
Listen in ogg,
opus,
or mp3 format.
Monday, 2016-03-14.
01:01:18.
Explicit.
Learning sed.
sed, stream editor, option, regular expression, substitution.
Some more about the GNU sed command
Listen in ogg,
opus,
or mp3 format.
Monday, 2016-02-29.
00:44:28.
Explicit.
Learning sed.
sed, stream editor, option, regular expression, substitution.
What sed is and how to use it in a simple way
Listen in ogg,
opus,
or mp3 format.
Monday, 2016-02-22.
00:18:00.
Explicit.
Hobby Electronics.
BlinkStick, electronics, soldering, RGB LED, Integrated circuit.
The BlinkStick is a small USB device with an RGB LED which you can build yourself
Listen in ogg,
opus,
or mp3 format.
Monday, 2016-01-25.
00:40:24.
Explicit.
Bash Scripting.
Bash, expansion, arithmetic expansion, shell arithmetic, number base.
More about expansion in Bash: this time arithmetic expansion
Listen in ogg,
opus,
or mp3 format.
Monday, 2016-01-18.
00:20:37.
Explicit.
Cooking.
cooking, wok, stir-fry, chow mein, noodles, Quorn.
I prepare a vegetarian version of Chow Mein for my son's visit
Listen in ogg,
opus,
or mp3 format.
Monday, 2016-01-11.
00:32:56.
Explicit.
What's in My Toolkit.
fountain pen, nib, ink, cartridge, piston fill, penmanship.
I'm a fountain pen enthusiast; here's what's in my pen case
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2016-01-06.
00:26:14.
Explicit.
general.
Markdown, Pandoc, ePub, Bash, Perl, FTP.
I use my own tools for preparing my HPR shows. I talk about them in this episode
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2015-11-18.
00:29:18.
Explicit.
Bash Scripting.
Bash, expansion, tilde expansion, command substitution.
Some more information about types of expansion in Bash
Listen in ogg,
opus,
or mp3 format.
Thursday, 2015-10-22.
00:15:49.
Explicit.
Bash Scripting.
Bash, brace expansion, seq.
Some information about brace expansion in Bash that you might not know
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2015-09-30.
00:48:28.
Explicit.
general.
Glasgow, Podcrawl, review.
The intrepid Glasgow Podcrawlers meet to discuss their experiences back in July
Listen in ogg,
opus,
or mp3 format.
Thursday, 2015-09-24.
00:21:01.
Explicit.
general.
printer, network, raspberry pi, CUPS, SANE.
Using a Raspberry Pi as a print spooler for an old USB printer
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2015-09-08.
00:29:29.
Explicit.
general.
operation wallacea, hoga island, diving, padi, scuba, snorkel, coral, reef.
I talk to my daughter about her recent trip to Indonesia
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2015-08-26.
00:21:17.
Explicit.
Bash Scripting.
Bash, pushd, popd, dirs.
A few useful Bash features that may not be well known
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2015-08-04.
00:18:32.
Explicit.
Cooking.
cooking, bread, yeast, baking, loaves, dough, gluten.
I've been making my own bread for nearly 40 years, and I thought I'd share my methods
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2015-07-28.
00:20:31.
Explicit.
general.
images, ImageMagick, scripting, Krita.
ImageMagick is an amazing toolkit for manipulating images. Here's how I use it
Listen in ogg,
opus,
or mp3 format.
Monday, 2015-07-20.
00:09:09.
Explicit.
general.
Perl, GraphViz, tags, SVG.
Using GraphViz to visualise the tags on HPR episodes
Listen in ogg,
opus,
or mp3 format.
Monday, 2015-07-13.
00:42:38.
Explicit.
How I got into tech.
computer, programming, punched card, paper tape, teletype, graph plotter, Seymour Cray, CDC, Control Data Corporation, CDC 7600, Cray-1, ICL, ALGOL 60, FORTRAN, Pascal.
Part 2 of my personal story of experiences with computers
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2015-05-26.
01:07:13.
Explicit.
general.
Magnatune, music.
Andrew and Dave talk about Magnatune and some of their favourite tracks
Listen in ogg,
opus,
or mp3 format.
Monday, 2015-05-25.
00:47:20.
Explicit.
Vim Hints.
vim, gvim, editor, movement, editing, configuration.
Hints and Tips for Vim users - part 4
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2015-04-28.
00:27:42.
Explicit.
Bash Scripting.
coding, Bash, script, function.
Some Bash functions that may be of use in your scripts
Listen in ogg,
opus,
or mp3 format.
Friday, 2015-04-03.
00:45:44.
Explicit.
general.
email, mailing list, thread, conversation, mail client.
Some advice about best practices on mailing lists
Listen in ogg,
opus,
or mp3 format.
Thursday, 2015-03-26.
00:26:02.
Explicit.
Vim Hints.
vim, editor, movement, configuration.
Hints and Tips for Vim users - part 3
Listen in ogg,
opus,
or mp3 format.
Thursday, 2015-03-12.
00:25:40.
Explicit.
Vim Hints.
vim, gvim, editor, backup, undo, redo, crash recovery.
Hints and Tips for Vim users - part 2
Listen in ogg,
opus,
or mp3 format.
Thursday, 2015-02-26.
00:17:50.
Explicit.
Vim Hints.
vim, gvim, editor.
Hints and Tips for Vim users - part 1
Listen in ogg,
opus,
or mp3 format.
Thursday, 2015-01-29.
00:22:00.
Explicit.
general.
NASA, astronomy, picture, Perl.
My simple Perl script to download the Astronomy Picture of the Day each day
Listen in ogg,
opus,
or mp3 format.
Thursday, 2014-12-18.
00:26:54.
Explicit.
How I got into tech.
computer, mainframe, programming, punched card, paper tape, teletype, graph plotter, ALGOL 60.
I've been using computers for more than 40 years. This is part 1 of my story
Listen in ogg,
opus,
or mp3 format.
Monday, 2014-12-08.
00:21:18.
Explicit.
general.
audio player, podcast, Rockbox.
I describe the collection of audio players I use for listening to podcasts
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2014-11-26.
00:40:33.
Explicit.
Bash Scripting.
Bash, script, parameter, variable.
A summary and aide memoire of Bash parameter expansion methods
Listen in ogg,
opus,
or mp3 format.
Monday, 2014-11-10.
00:15:57.
Explicit.
Coffee.
coffee, moka pot, espresso, cafetiere.
I'm a great lover of coffee. This is how I make mine
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2014-05-28.
00:27:38.
Explicit.
Podcast recommendations.
podcasts, recommendations.
I listen to a lot of podcasts and thought it might be interesting if I shared them on HPR
Listen in ogg,
opus,
or mp3 format.
Monday, 2014-05-26.
00:23:59.
Explicit.
Podcast recommendations.
podcasts, recommendations.
I listen to a lot of podcasts and thought it might be interesting if I shared them on HPR
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2014-03-26.
00:23:04.
Explicit.
general.
FOSDEM.
Dave chats with his friend Tom about their experiences of FOSDEM 2014
Listen in ogg,
opus,
or mp3 format.
Monday, 2014-03-10.
00:24:17.
Explicit.
Privacy and Security.
Security, Privacy, PGP, key, key signing.
I wanted to get my GPG key signed so I joined the FOSDEM 2014 keysigning event
Listen in ogg,
opus,
or mp3 format.
Tuesday, 2013-10-22.
00:21:07.
Explicit.
general.
RSS, Perl, podcast, scripting.
Perl scripts to modify broken RSS feeds on the fly
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2013-07-31.
00:27:20.
Explicit.
general.
music, composition, collaboration, InternetDJ, FL Studio.
Dave interviews Tim, his son, and Tim's friend John, who is visiting from the USA
Listen in ogg,
opus,
or mp3 format.
Monday, 2013-07-15.
01:20:32.
Explicit.
general.
Perl, regular expression, ISO8601 time duration.
A step-by-step explanation of writing a regular expression in Perl to parse an ISO8601 time duration
Listen in ogg,
opus,
or mp3 format.
Monday, 2013-07-08.
00:18:47.
Explicit.
general.
iCalendar, Perl, RFC 5545, pcal, remind.
Creating iCalendar rules by hand and with a Perl script
Listen in ogg,
opus,
or mp3 format.
Thursday, 2013-03-14.
00:21:59.
Explicit.
Bash Scripting.
Magnatune, API, Bash, XML, XSLT, xsltproc.
How I download albums from Magnatune with Bash and Perl scripts
Listen in ogg,
opus,
or mp3 format.
Wednesday, 2012-12-26.
01:07:24.
Explicit.
general.
scheduling, queueing, scripting.
A discussion about the internals of the HPR scheduling system
Listen in ogg,
opus,
or mp3 format.
Friday, 2012-10-05.
00:19:27.
Explicit.
general.
vim, gvim, NERDTree, Bash-support, Perl-support, manpageview, surround, fugitive, taglist, supertab.
Some of the Vim/gVim plugins I use and would like to recommend
Listen in ogg,
opus,
or mp3 format.
