Perl Weekly - all the articles published by Peter Campbell Smith

2021.12.01 in #541 Some prime thoughts on divisors
Not a regular blogger, Peter, but a unique style of discussion. I really appreciate the points he brought to the discussion table. Great work, keep it up.
2021.12.08 in #542 Clarity versus brevity
A very unique style of blogging, focussed on task analysis. Keep it up. Great work.
2021.12.20 in #544 Illuminating the Ulam
Great task analysis of the Ulam Sequence task. Thanks for sharing your knowledge with us.
2021.12.27 in #545 How to find palindromes quickly
Cool use of regex to find Palindromes. Thanks for sharing your knowledge with us.
2022.01.04 in #546 Large primes and curious fractions
Peter's discussion of the '10001st Prime Number' task is not be missed IMHO. Thank you Peter for your contributions..
2022.01.11 in #547 Chop off their heads and conquer the Pentagon (week 147)
Peter's blog post is pure information and fun. Highly recommended.
2022.01.17 in #548 Numbers in words and Cardano triplets
Peter choose to discuss his Cardano Triplets solution. Thanks for sharing your knowledge.
2022.02.01 in #550 Fibo, nacci, Fibonacci, nacciFibonacci, FibonaccinacciFibonacci ...
I simply loved the blog post title - very unique. Peter's frank discussion in the post is worth reading, you don't want to miss it.
2022.02.10 in #551 Locate a leaf and rob a road
Peter's blog post is pure task analysis which is, again, one of the benefits of having a blog post. Thanks Peter for sharing your thought process.
2022.02.18 in #552 Lots of angles this week
For me, the highlight of Peter's blog is his task analysis skill. Simply love it. Thanks for sharing.
2022.02.21 in #553 !Task one is quite easy. Factorions are quite rare.
Peter shared very interesting point about the Left Factorials task. Thanks for sharing the knowledge.
2022.02.28 in #554 Perming Perl plus Padovan primes
Short and precise blog to explain Peter's solutions. Thanks for sharing.
2022.03.10 in #555 Bigint week
Breakdown of a task into smaller subtasks, makes it so easy to follow. Thank you for sharing the knowledge.
2022.03.17 in #556 Pernicious and weird ...
Peter's blog make sure all the fun bits are shared. Thanks for sharing the knowledge with us every week.
2022.03.22 in #557 Mean Brazilians
Peter's blog shares the fun behind the solution and is always a pleasure to read. Thanks for sharing the knowledge.
2022.03.30 in #558 All about primes
Multiple versions of the task are provided! Thank you for sharing your knowledge with us!
2022.04.14 in #560 Four is magic and Equilibrium Indices
Peter brought an interesting subject to the discussion table, and you definitely don't want to miss it. Thanks for sharing.
2022.04.18 in #561 Abecedarian words and pangrams
A very interesting discussion about the maths behind the task. Always fun to read the blog. Thanks for sharing.
2022.04.26 in #562 Checksums and early encryption
Short and sweet blog sharing the details of the contributions. Keep it up great work.
2022.05.03 in #563 Lot of ands and a strange grid
The short and sweet narration is really impressive. Thanks for your contributions.
2022.05.09 in #564 Palindromic primes and moody numbers
Breaking task into simple and easy steps makes it lots of fun. Amazing quality to have, thanks for sharing your knowledge.
2022.05.18 in #565 Dots, lines and whatever fits best
Peter has a lot to say this week as SVG is his favourite subject. It shows in the blog details. Keep it up great work.
2022.05.23 in #566 D00DlE5
Algorithm laid out clearly for anyone to get to the bottom of the task. Thank you for sharing the knowledge.
2022.05.30 in #567 Prime, ePrim, mePri, imePr, rimeP ... and Gamma
I loved the Peter's choice of regex and substr() version. I simply love the story telling style. Keep it up great work.
2022.06.06 in #568 More funny numbers ... and a very big one
Peter's use of f(23) is quite interesting. The short and precise discussion makes it all fun to read. Keep it up great work.
2022.06.13 in #569 Brilliant and Achilles
Clean algorithm and easy to follow. A compact yet effective blog, you don't want to miss it.
2022.06.21 in #570 Primorials and Kronecker products
Peter's style of story telling is very catchy, hard to resist. Thanks for your contributions.
2022.07.01 in #571 Abundantly odd and ... Oh dear!
Nice little story for this week solution. I really enjoy reading. Thank you.
2022.07.07 in #572 Tricky partitions and easy stats
Loved the task analysis and breakdown. It makes it so easy to solve. Thanks for sharing.
2022.07.11 in #573 Aesthetics and a fast-growing sequence
I really enjoy the mention of eponymous cat. I am sure you will find it interesting too.
2022.07.19 in #574 Disarium disaster and rank permutations
Disarium disaster? I loved the term. Smart decision to avert the disaster. Well done.
2022.07.25 in #575 Dates, and more recursively defined numbers
Peter style of blogging is more like a discussion. It is always fun to follow his approach to each task. Keep it great work.
2022.08.01 in #576 More funny numbers - permutable and reversible
Short and precise commentary on the weekly task. I really enjoyed it. Keep it up great work.
2022.08.08 in #577 Damm and Cyclops
A very interesting discussion about the second task. Worth checking it out. Thanks for sharing.
2022.08.16 in #578 QIBs and days - fun tasks for a sunny day
Peter style of blogging is quite engaging as always. You will find plenty of gems. Thanks for sharing.
2022.09.05 in #581 Alphabetical and days hotter sentences
Short and sweet, logical reasoning. Nice attempt.
2022.09.15 in #582 Find the biggest and the deepest
Story telling narrative of weekly task is irresistable. Thanks for everything.
2022.09.22 in #583 Unique arrays and differing dates
I love the blog style, simple and straight to the point. Thanks for your contributions.
2022.09.28 in #584 Sequence numbers and split arrays
Short and compact task analysis of the weekly challenge. Thanks for sharing.
2022.10.03 in #585 Manipulating characters
Another cool demo of regex in action. Task analysis is interesting too. Thanks for your contribution.
2022.10.10 in #586 Merge like a zip and Unidecode
Smart hack and clever solutions to both the tasks. Loved it. Thank you.
2022.10.19 in #587 Foo meets Bar and the wizardly trio
What a nice story around the date related task. Thanks for sharing the story. Well done.
2022.10.27 in #588 Divisible pairs and reduce to nothing
Nice discussion of every aspect of the task, Great job.
2022.10.31 in #589 The smallest greater and the shortest slice
Simplified task analysis which is easy to follow. Pure blogging, well done.
2022.11.07 in #590 Capital test and ambiguous encoding
Well crafted breakdown of the task makes it so easy to follow. Keep it up great work.
2022.11.14 in #591 The twice largest and number of cuties
Cute use of recursive subroutine to solve the task "Cute List". Great work, keep it up.
2022.11.21 in #592 Flipping easy and distributing fairly
Pure discussion of task, just like story telling. You really don't want to skip it.
2022.11.28 in #593 All the binaries and find the odd man out
Interesting narration of task analysis. You should definitely check it out.
2022.12.07 in #594 Completing the time and levelling the letters
Compact collection of various test cases. This makes the logic easy to follow. Keep it up great work.
2022.12.13 in #595 Some numbers are special and others are frequent and even
Plenty to learn how to speed up your solutions. Thanks for sharing the knowledge.
2022.12.19 in #596 Pattern 132 and sequential runs
Nice and easy task analysis. There is always something to learn.
2023.01.04 in #598 Mind the gap!
Thanks for sharing the sort fun. Thanks for your contributions.
2023.01.10 in #599 All good things
Use of regular for loop is enough this week. Thanks for sharing.
2023.01.17 in #600 Slicing and dicing a double century
The simplest solution yet very compact. I am impressed. Well done.
2023.01.23 in #601 201: Missing numbers and piles of pennies
Some smart tricks used in the solutions. Thanks for sharing.
2023.02.01 in #602 Three odd things in the valleys
Cool one-liner in Perl and interesting task analysis. Great work.
2023.02.06 in #603 Quads and directory enquiries
Practical discussion around the task makes it easy to follow the solution. Well done.
2023.02.13 in #604 Climbing or falling and reshaping the matrix
I would give full marks for clean blog style. The discussion and code side-by-side makes life so simple. Well done, keep it up.
2023.02.22 in #605 Weekly challenge 205
Task analysis of both tasks is well drafted, specially the second one. Just loved it. Thanks.
2023.02.27 in #606 Weekly challenge 206
The task analysis is so fun to read. You learn a lot from the process. Keep it up great work.
2023.03.06 in #607 Weekly challenge 207
Well, I just noticed that you can test the code online. Wow, this is cool.
2023.03.13 in #608 Matching strings and missing numbers
Give it a try the online solutions. This is exceptional. Keep it up great work.
2023.03.20 in #609 An abc and @emails
Engaging task analysis that will keep you engrossed. You can even try the solution online. Cool.
2023.03.27 in #610 Kill and Collide!
Go and play with the solution online. Interesting discussion too.
2023.04.03 in #611 Striped arrays and balanced splits
Well documented with examples as always. Thanks for sharing.
2023.04.10 in #612 Lead to Gold and 1 2 3
Nice and easy to understand solution without any gimmicks. Well done.
2023.04.17 in #613 Evens go first and untangling the route
Nice demo of the complicated task as well as detailed analysis. Keep it up great work.
2023.04.24 in #614 All about points
Peter made the task appears simpler and easy to follow by his simple discussion. Bonus you get to play with his solution. Well done.
2023.05.01 in #615 Adopt a chilly ghost
Clean one-liner in Perl and well documented solution as always. Great work, keep it up.
2023.05.01 in #617 Adopt a chilly ghost
Clean one-liner in Perl and well documented solution as always. Great work, keep it up.
2023.05.08 in #616 Alphabetical exercises
Compact one-liner in Perl using the cool comnination of join,sort,uniq and split. Brilliant work.
2023.05.22 in #618 Multiply three and binary matrix
Dedicated member like Peter never stops contributing even when on break. Thank you for everything.
2023.05.29 in #619 Any more fares, please?
2023.06.12 in #621 Good strings and hidden sequences
2023.06.19 in #622 Members' week
Get the special feeling and treat yourself with self explanatory solutions. Well done.
2023.06.26 in #623 Counting primes and maximising cash
As usual, we got well documented solutions this week, thanks for sharing.
2023.07.03 in #624 Strings and sequences
Pointed task analysis in the highlight of the blog post, my all time favourite. Thanks for sharing.
2023.07.10 in #625 Counting words and subtracting numbers
Use of clever regex is in play. Perl is unbeatable when it comes to regex. Thanks for sharing the knowledge.
2023.07.17 in #626 Gnirsts and nothing left
Nicely laid out solutions in Perl with detailed analysis. Thanks for your contributions.
2023.07.24 in #627 Bad luck and mathematica
Peter solving his own proposed tasks. As usual you will see the elegance every where. Thank you.
2023.07.31 in #628 Add up the singletons and clear out the list
Loved the compact one-liner in Perl with the help of CPAN module. Keep it up great work.
2023.08.07 in #629 Count the unsorted and two thirds is enough
2023.08.21 in #632 Middle aged and oldies
2023.09.04 in #633 Similar words and a rather strange ordering
2023.09.12 in #634 Duplicates and triplets
2023.09.18 in #635 Delete and double
You will love the engaging discussion in the post. Too good to be missed.
2023.09.25 in #636 Change and loops
Code analysis is precise and to the point. You could just jump and try the solution straight away.
2023.10.09 in #637 Seize the greatness
Do you want to avoid CPAN? Yes, it can be fun getting the hand dirty. Thank you for your contributions.
2023.10.09 in #638 Running persistence
Simple yet elegant solution with cool interface to try it yourself. Thank you.
2023.10.16 in #639 Pulling the strings
Perl core strength is in display for all to see. Cool attempt, well done.
2023.10.16 in #640 Initialisms and contorted arrays
DIY solutions as always. Nicely laid out too. Thank you for sharing.
2023.10.30 in #641 Triplets and factors
Do It Yourself format of the post is the highlight for me. Highly recommended.
2023.11.06 in #642 Flipping members
Task analyis done with detailed discussion. Don't forget to try the solutions.
2023.11.13 in #643 Pairs on the floor
A very different and unique approach to solve the task. You should definitely checkout.
2023.11.20 in #644 The smallest hero
Scalable and Do It Yourself styled solutions. Great effort, keep it up.
2023.11.27 in #645 Popular languages and largest threefold
One-liner in Perl with detailed discussion. Highly recommended.
2023.12.04 in #646 Lotteries and sequences
Keep it sweet and simple to get the job done. Cool attempt.
2023.12.11 in #647 Santa’s letters
Sort hash value in Perl is the core. Also some Perl magic in display. Keep it up great work.
2023.12.18 in #648 Closet sum
Simple loop over can be good enough as shown in this week solutions. Thanks for sharing.
2023.12.25 in #649 Pairs and ups and downs
2024.01.01 in #650 Smallest index, largest element
DIY solutions like always. Well structured and presented too. Highly recommended.
2024.01.08 in #651 Lucky concatenations
Iterate from both ends? You must check it how. Keep it up great work.
2024.01.15 in #652 Special and unique numbers
Thoroughly discussed and analysed solution like every week. Keep it up great work.
2024.01.22 in #653 Split the weakest
I really enjoy the analysis section of the post. Lots of interesting facts mentioned there. Thanks for your contribution.
2024.01.29 in #654 Triumvirate and Treamviruti?
I love the code coverage. No if no but, all inclusive solution. Nice work.
2024.02.05 in #655 An odd character’s nearly best word
Perl one liner is showing off the power. Keep it up great work.
2024.02.12 in #656 Pairs, sriap and MsEtRrGiEngs
The analysis section of the post is the highlight for me every week. Highly recommended.
2024.02.19 in #657 Smaller and reduced
Simply love the task analysis and going beyond the comfort zone. Thank you for the detailed post.
2024.02.26 in #658 All about the way numbers are written
This is what you get when you use all the magic from the Perl book. You get handy interface to play with it.
2024.03.04 in #659 Dates and parsing
A thorough solution to the Date task is not to be missed. Highly recommended.
2024.03.11 in #660 Uniquely ranked
Just a simple and straight forward approach, anyone can easily follow. Well done and keep it up.
2024.03.18 in #661 Digits and doubling
Lack of clarity in task description handled very well. Task analysis is always fun to read.
2024.03.25 in #662 Plus versus minus
Pure Perl solution with just basic language feature. DIY tool for you try as well.
2024.04.01 in #663 Find the target and merge the inventory
Cute and easy to follow solutions in Perl. Anybody can follow it and try it. Thanks for sharing.
2024.04.08 in #664 Greatest letter and mashed arrays
Breaking task into smaller steps make the job so easy. Live demo is the highlight for me as always.
2024.04.15 in #665 Frequent number and shortest word
A very interesting take on Perl regex. First time, seen something like this, brilliant work.
2024.04.22 in #666 Solo words and a cross matrix
Love the simplicity in the solution. No gimmicks, pure solution. Get to try as well, really cool. Thanks for sharing.
2024.04.29 in #667 Product lines
Peter sharing multiple approaches to get the desired result. You really don't want to skip it.
2024.05.06 in #668 Magic and scrambled numbers
Peter finally gave in and created one-liner in Perl. It is so much fun to see how powerful it is.
2024.05.13 in #669 Bits distribution
DIY Tool as always with engaging discussion. Highly recommended.
2024.05.20 in #670 Lonely ones and equalities
Well documented and crafted solutions in Perl and on top you get to play with it. Well done and keep it up great work.
2024.05.27 in #671 All about ones
Using just grep to solve the binary matrix task is incredible. Don't forget to try it out the solutions.
2024.06.03 in #672 Fangs and strings
No gimmicks and just straight forward solutions in Perl with bonus DIY tool. Keep it up great work.
2024.06.10 in #673 All about characters
Perl pure regex implementation to deal with both tasks. Don't forget to try DIY tool.
2024.06.17 in #674 Latin buses
Another Perl regex magic approach, TMTOWTDI. I am a big fan of DIY tool as always. Thanks for sharing the knowledge.
2024.06.24 in #675 Broken digits
DIY tool with detailed task analysis is bonus. You are going to love it, I am confident.
2024.07.01 in #676 Round days and frequent numbers
I noticed the use of v5.26 and few other bits. I am sure it would work with the latest release too (v5.40). Well done.
2024.07.08 in #677 Commons and pairs
Cute little solutions in Perl. So simple yet very easy to follow. Keep it up great work.
2024.07.15 in #678 Tangled string and drow
DIY web interface with detailed analysis. Cool quality solutions every week.
2024.07.22 in #679 Scrambled and split
Nice hack to get split string task with nice explanation. Well done.
2024.07.29 in #680 Counting the stars
Interesting use of regex and we have pretty cool solutions in Perl. Thanks for sharing knowledge with us.
2024.08.05 in #681 Anyone for chess?
Impressive Perl regex hack shared in the post. You really don't want to skip it.
2024.08.12 in #682 Integggers and keys
Plenty to discuss about the issues faced with regex when using Perl and in the end the work around. Well done and keep it up.
2024.08.19 in #683 Occurrences
Try DIY tool to play with your sample data. Interface is very user friendly to keep you engage. Thanks for your contributions.
2024.08.26 in #684 Lucky relatives
Task analysis is well drafted to keep you engaged. Ofcourse you have the DIY tool to play as well.
2024.09.02 in #685 Dead end coins
Detailed task analysis is the highlight of the post as always and don't forget to DIY. Keep it up great work.
2024.09.09 in #686 My word - and min max
CPAN can be handy when you struggle to find the quick solution. How? Please checkout the post.
2024.09.16 in #687 Strong and valid
Dealing the task in multiple stages is the coolest approach and easy to follow. DIY tool on top is bonus, you would definitely love to play.
2024.09.23 in #688 Nearness and contiguity
It is always pleasure to see how the task contributor deals with his own challenge. I must say, you will love it. Thanks for sharing.
2024.09.30 in #689 Big ones and jelmbud wrods
DIY application is the highlight for me as always. Play and see the code side by side. Well done.
2024.10.07 in #690 Double existence and checking the payload
A verbose approach to make it easy to read and follow. DIY tool is the icing on the cake. Well done.
2024.10.14 in #691 A middling deal
I liked how a non-player takes on Poker challenge. Kudos for the effort, thanks for sharing.
2024.10.21 in #692 Find the biggest and clear the balls
Breaking down big task into smaller sub tasks can be very handy. With DIY tool, you get to play with it too. Great work, thanks for sharing.
2024.10.28 in #693 Matching and returning
Another mathematical angle to deal with Boomerang task. And on top, DIY tool is handy to play with.
2024.11.04 in #694 Sequential permutations
A detailed proof of O(n) time is worth checking. Kudos for the effort, thanks for sharing knowledge with us.
2024.11.11 in #695 Spaced out jumps
Another good show of recursion where it does the job every efficiently. Keep up the great work.
2024.11.18 in #696 Squeezing and Squaring
Loved behind the scene story about the slow resposnse of using regex. You get DIY tool as bonus as always. Thanks for sharing knowledge with us.
2024.11.25 in #697 Room 101 and pretunatmios
Simple and easy to follow algorithm in Perl with DIY tool to play as always. Keep it up great work.
2024.12.02 in #698 Turn right at the big square
Nested loops using label to move around is fun to watch. Thanks for sharing knowledge with us every week.
2024.12.03 in #698 Split the weakest
2024.12.09 in #699 Words, words and more words
One-liner from Peter? Yes, you heard me correctly. Don't forget to DIY. Brilliant work.
2024.12.16 in #700 Beauty and the nest
Happy to see the optimisation and discussion around it. Thanks for being the most consistent contributor.
2024.12.30 in #702 All about ones
Using the CPAN power, the job becomes cake walk for anyone. See it yourself to believe.
2025.01.06 in #703 Even and earn
Breakdown of a task into smaller subtask is very handy and easy to follow. Nice to see the use of new Perl camel.
2025.01.13 in #704 Adding ones and maxing the mean
Nice hack to make the task easier. DIY tool lets you play with it too.
2025.01.20 in #705 Binary aliens
You are given 2 different approaches with plenty of documentation. Don't forget to play with the solutions.
2025.02.03 in #707 Orders and anagrams
Working through to get the efficient solution can be fun. You would definitely love the journey behind it. Thanks for sharing.
2025.02.10 in #708 AND and XOR
Great detailed XOR operation is very interesting, and definitely not to be missed. Thanks for the contributions.
2025.02.17 in #709 Mind the gap
A complete solution that anyone can understand and follow. Bonus, you get DIY tool to try as well.
2025.02.24 in #710 Arrays and arrays
As the title suggests, plenty of loops. Why not? Go for it and don't forget to use DIY tool.
2025.02.27 in #706 Odd Game
Don't you love when you are presented with multiple solutions to the same problem. Plent to learn each week. Keep it up great work.
2025.03.03 in #711 gROUP dIGIT sUM
Our latest champion back with yet another gem of a solution. Don't forget to try DIY tool, impressive work. Keep it up.
2025.03.10 in #712 Time box
I like the simplistic approach, without any gimmicks. The task analysis is not to be missed. Well done and keep it up.
2025.03.17 in #713 Broken letters
With regex based solution, I always need explanation otherwise you spend good amount of time to get your head around if it is a complex one. Here you even have DIY tool to test it as well. Great work.
2025.03.24 in #714 Even more strings
Smart move for catching the edge case. Well documented solution and bonus DIY tool as always. Super cool, keep it up.
2025.03.31 in #715 Find answers
Regex in while condition is very powerful and can produce cute little one-liner. Cool, checkout and DIY.
2025.04.07 in #716 Tricky characters
Innocent unless proved guilty approach, why? DIY to find the reason.
2025.04.14 in #717 Acronyms and FS
Interesting edge case and work around. Very engaging discussion, don't forget to try DIY tool.
2025.04.21 in #718 Repeat and reverse
When it comes to Perl regex, we get plenty of varieties. Thanks for the cool naration and DIY tool. Keep it up great work.
2025.05.28 in #719 Vowels and minima
Nice to see the test goes beyond the example and dealing with extreme use case. And don't forget the DIY tool. Keep it up great work.

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