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diff --git a/content/html/contact-information.html b/content/html/contact-information.html index f9eed219..aac9c9f9 100644 --- a/content/html/contact-information.html +++ b/content/html/contact-information.html @@ -17,10 +17,6 @@ img { display:block; max-width: 80%; } -p.quote:before { - content: " | "; - padding-left: 2px; -} a.textlink:before { content: " ⇒ "; padding-left: 2px; diff --git a/content/html/gemfeed/2008-06-26-perl-poetry.html b/content/html/gemfeed/2008-06-26-perl-poetry.html index 28635ea6..ad306859 100644 --- a/content/html/gemfeed/2008-06-26-perl-poetry.html +++ b/content/html/gemfeed/2008-06-26-perl-poetry.html @@ -17,10 +17,6 @@ img { display:block; max-width: 80%; } -p.quote:before { - content: " | "; - padding-left: 2px; -} a.textlink:before { content: " ⇒ "; padding-left: 2px; diff --git a/content/html/gemfeed/2010-04-09-standard-ml-and-haskell.html b/content/html/gemfeed/2010-04-09-standard-ml-and-haskell.html index a1494628..1c372f5b 100644 --- a/content/html/gemfeed/2010-04-09-standard-ml-and-haskell.html +++ b/content/html/gemfeed/2010-04-09-standard-ml-and-haskell.html @@ -17,10 +17,6 @@ img { display:block; max-width: 80%; } -p.quote:before { - content: " | "; - padding-left: 2px; -} a.textlink:before { content: " ⇒ "; padding-left: 2px; diff --git a/content/html/gemfeed/2010-05-09-the-fype-programming-language.html b/content/html/gemfeed/2010-05-09-the-fype-programming-language.html index 3410adf7..5389cbcc 100644 --- a/content/html/gemfeed/2010-05-09-the-fype-programming-language.html +++ b/content/html/gemfeed/2010-05-09-the-fype-programming-language.html @@ -17,10 +17,6 @@ img { display:block; max-width: 80%; } -p.quote:before { - content: " | "; - padding-left: 2px; -} a.textlink:before { content: " ⇒ "; padding-left: 2px; diff --git a/content/html/gemfeed/2011-05-07-perl-daemon-service-framework.html b/content/html/gemfeed/2011-05-07-perl-daemon-service-framework.html index 6f443172..ad8cc9db 100644 --- a/content/html/gemfeed/2011-05-07-perl-daemon-service-framework.html +++ b/content/html/gemfeed/2011-05-07-perl-daemon-service-framework.html @@ -17,10 +17,6 @@ img { display:block; max-width: 80%; } -p.quote:before { - content: " | "; - padding-left: 2px; -} a.textlink:before { content: " ⇒ "; padding-left: 2px; diff --git a/content/html/gemfeed/2014-03-24-the-fibonacci.pl.c-polyglot.html b/content/html/gemfeed/2014-03-24-the-fibonacci.pl.c-polyglot.html new file mode 100644 index 00000000..30ec5588 --- /dev/null +++ b/content/html/gemfeed/2014-03-24-the-fibonacci.pl.c-polyglot.html @@ -0,0 +1,146 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> +<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> +<title>The fibonacci.pl.c Polyglot</title> +<link rel="shortcut icon" type="image/gif" href="/favicon.ico" /> +<style type="text/css"> +body { + margin: auto; + max-width: 900px; + background-color: #FFFFEF; + border: 1px dashed #880000; + border-radius: 8px; + padding: 5px; +} +img { + display:block; + max-width: 80%; +} +a.textlink:before { + content: " ⇒ "; + padding-left: 2px; +} +a.textlink { + text-decoration: none; + color: #FF0000; +} +a.textlink:hover { + text-decoration: underline; +} +i { + color: #FFA500; +} +pre { + background-color: #F1F8E9; + border: 1px dashed #BB0000; + border-radius: 8px; + padding: 5px; + font-family: "Lucida Console", "Courier New", monospace; +} +h1 { + text-align: center; + color: #880000; +} +h2, h3 { + color: #BB0000; +} +</style> +</head> +<body> +<h1>The fibonacci.pl.c Polyglot</h1> +<p class="quote"><i>Written by Paul Buetow 2014-03-24</i></p> +<p>In computing, a polyglot is a computer program or script written in a valid form of multiple programming languages, which performs the same operations or output independent of the programming language used to compile or interpret it</p> +<a class="textlink" href="https://en.wikipedia.org/wiki/Polyglot_(computing)">https://en.wikipedia.org/wiki/Polyglot_(computing)</a><br /> +<h2>The Fibonacci numbers</h2> +<p>For fun, I programmed my own Polyglot, which is both, valid Perl and C code. The interesting part about C is, that $ is a valid character to start variable names with:</p> +<pre> +#include <stdio.h> + +#define $arg function_argument +#define my int +#define sub int +#define BEGIN int main(void) + +my $arg; + +sub hello() { + printf("Hello, welcome to Perl-C!\n"); + printf("This program is both, valid C and Perl code!\n"); + printf("It calculates all fibonacci numbers from 0 to 9!\n\n"); + return 0; +} + +sub fibonacci() { + my $n = $arg; + + if ($n < 2) { + return $n; + } + + $arg = $n - 1; + my $fib1 = fibonacci(); + $arg = $n - 2; + my $fib2 = fibonacci(); + + return $fib1 + $fib2; +} + +BEGIN { + hello(); + my $i = 0; + + for ($i = 0; $i <= 10; ++$i) { + $arg = $i; + printf("fib(%d) = %d\n", $i, fibonacci()); + } + + return 0; +} +</pre> +<p>You can find the whole source code at GitHub:</p> +<a class="textlink" href="https://github.com/snonux/perl-c-fibonacci">https://github.com/snonux/perl-c-fibonacci</a><br /> +<h3>Let's run it with Perl:</h3> +<pre> +❯ perl fibonacci.pl.c +Hello, welcome to Perl-C! +This program is both, valid C and Perl code! +It calculates all fibonacci numbers from 0 to 9! + +fib(0) = 0 +fib(1) = 1 +fib(2) = 1 +fib(3) = 2 +fib(4) = 3 +fib(5) = 5 +fib(6) = 8 +fib(7) = 13 +fib(8) = 21 +fib(9) = 34 +fib(10) = 55 +</pre> +<h3>Let's compile it as C and run the binary:</h3> +<pre> +❯ gcc fibonacci.pl.c -o fibonacci +❯ ./fibonacci +Hello, welcome to Perl-C! +This program is both, valid C and Perl code! +It calculates all fibonacci numbers from 0 to 9! + +fib(0) = 0 +fib(1) = 1 +fib(2) = 1 +fib(3) = 2 +fib(4) = 3 +fib(5) = 5 +fib(6) = 8 +fib(7) = 13 +fib(8) = 21 +fib(9) = 34 +fib(10) = 55 +</pre> +<p>It's really fun to play with :-).</p> +<p>E-Mail me your thoughts at comments@mx.buetow.org!</p> +<a class="textlink" href="../">Go back to the main site</a><br /> +</body> +</html> diff --git a/content/html/gemfeed/2015-12-05-run-debian-on-your-phone-with-debroid.html b/content/html/gemfeed/2015-12-05-run-debian-on-your-phone-with-debroid.html index d81b5443..5e4534a0 100644 --- a/content/html/gemfeed/2015-12-05-run-debian-on-your-phone-with-debroid.html +++ b/content/html/gemfeed/2015-12-05-run-debian-on-your-phone-with-debroid.html @@ -17,10 +17,6 @@ img { display:block; max-width: 80%; } -p.quote:before { - content: " | "; - padding-left: 2px; -} a.textlink:before { content: " ⇒ "; padding-left: 2px; diff --git a/content/html/gemfeed/2016-04-03-offsite-backup-with-zfs.html b/content/html/gemfeed/2016-04-03-offsite-backup-with-zfs.html index 4218fc62..c8a74fe4 100644 --- a/content/html/gemfeed/2016-04-03-offsite-backup-with-zfs.html +++ b/content/html/gemfeed/2016-04-03-offsite-backup-with-zfs.html @@ -17,10 +17,6 @@ img { display:block; max-width: 80%; } -p.quote:before { - content: " | "; - padding-left: 2px; -} a.textlink:before { content: " ⇒ "; padding-left: 2px; diff --git a/content/html/gemfeed/2016-04-09-jails-and-zfs-on-freebsd-with-puppet.html b/content/html/gemfeed/2016-04-09-jails-and-zfs-on-freebsd-with-puppet.html index d5001adb..2c1d9db9 100644 --- a/content/html/gemfeed/2016-04-09-jails-and-zfs-on-freebsd-with-puppet.html +++ b/content/html/gemfeed/2016-04-09-jails-and-zfs-on-freebsd-with-puppet.html @@ -17,10 +17,6 @@ img { display:block; max-width: 80%; } -p.quote:before { - content: " | "; - padding-left: 2px; -} a.textlink:before { content: " ⇒ "; padding-left: 2px; @@ -74,6 +70,7 @@ h2, h3 { </pre> <p class="quote"><i>Written by Paul Buetow 2016-04-09</i></p> <p>Over the last couple of years I wrote quite a few Puppet modules in order to manage my personal server infrastructure. One of them manages FreeBSD Jails and another one ZFS file systems. I thought I would give a brief overview in how it looks and feels.</p> +<a class="textlink" href="https://github.com/snonux/puppet-modules">https://github.com/snonux/puppet-modules</a><br /> <h2>ZFS</h2> <p>The ZFS module is a pretty basic one. It does not manage ZFS pools yet as I am not creating them often enough which would justify implementing an automation. But let's see how we can create a ZFS file system (on an already given ZFS pool named ztank):</p> <p>Puppet snippet:</p> diff --git a/content/html/gemfeed/2016-04-16-offsite-backup-with-zfs-part2.html b/content/html/gemfeed/2016-04-16-offsite-backup-with-zfs-part2.html index cf8c2723..3ec4180e 100644 --- a/content/html/gemfeed/2016-04-16-offsite-backup-with-zfs-part2.html +++ b/content/html/gemfeed/2016-04-16-offsite-backup-with-zfs-part2.html @@ -17,10 +17,6 @@ img { display:block; max-width: 80%; } -p.quote:before { - content: " | "; - padding-left: 2px; -} a.textlink:before { content: " ⇒ "; padding-left: 2px; diff --git a/content/html/gemfeed/2016-05-22-spinning-up-my-own-authoritative-dns-servers.html b/content/html/gemfeed/2016-05-22-spinning-up-my-own-authoritative-dns-servers.html index 2edd0bf6..e177de6e 100644 --- a/content/html/gemfeed/2016-05-22-spinning-up-my-own-authoritative-dns-servers.html +++ b/content/html/gemfeed/2016-05-22-spinning-up-my-own-authoritative-dns-servers.html @@ -17,10 +17,6 @@ img { display:block; max-width: 80%; } -p.quote:before { - content: " | "; - padding-left: 2px; -} a.textlink:before { content: " ⇒ "; padding-left: 2px; diff --git a/content/html/gemfeed/2016-11-20-methods-in-c.html b/content/html/gemfeed/2016-11-20-methods-in-c.html index f3c04e8f..c96be0e6 100644 --- a/content/html/gemfeed/2016-11-20-methods-in-c.html +++ b/content/html/gemfeed/2016-11-20-methods-in-c.html @@ -17,10 +17,6 @@ img { display:block; max-width: 80%; } -p.quote:before { - content: " | "; - padding-left: 2px; -} a.textlink:before { content: " ⇒ "; padding-left: 2px; diff --git a/content/html/gemfeed/2018-06-01-realistic-load-testing-with-ioriot-for-linux.html b/content/html/gemfeed/2018-06-01-realistic-load-testing-with-ioriot-for-linux.html index 41543269..d8eafcdf 100644 --- a/content/html/gemfeed/2018-06-01-realistic-load-testing-with-ioriot-for-linux.html +++ b/content/html/gemfeed/2018-06-01-realistic-load-testing-with-ioriot-for-linux.html @@ -17,10 +17,6 @@ img { display:block; max-width: 80%; } -p.quote:before { - content: " | "; - padding-left: 2px; -} a.textlink:before { content: " ⇒ "; padding-left: 2px; diff --git a/content/html/gemfeed/2021-04-22-dtail-the-distributed-log-tail-program.html b/content/html/gemfeed/2021-04-22-dtail-the-distributed-log-tail-program.html index bcc73c73..538cc564 100644 --- a/content/html/gemfeed/2021-04-22-dtail-the-distributed-log-tail-program.html +++ b/content/html/gemfeed/2021-04-22-dtail-the-distributed-log-tail-program.html @@ -17,10 +17,6 @@ img { display:block; max-width: 80%; } -p.quote:before { - content: " | "; - padding-left: 2px; -} a.textlink:before { content: " ⇒ "; padding-left: 2px; diff --git a/content/html/gemfeed/2021-04-24-welcome-to-the-geminispace.html b/content/html/gemfeed/2021-04-24-welcome-to-the-geminispace.html index 20478835..7ea1c5a1 100644 --- a/content/html/gemfeed/2021-04-24-welcome-to-the-geminispace.html +++ b/content/html/gemfeed/2021-04-24-welcome-to-the-geminispace.html @@ -17,10 +17,6 @@ img { display:block; max-width: 80%; } -p.quote:before { - content: " | "; - padding-left: 2px; -} a.textlink:before { content: " ⇒ "; padding-left: 2px; diff --git a/content/html/gemfeed/2021-05-15-buetow.org.sh-one-bash-script-to-rule-it-all.draft.html b/content/html/gemfeed/2021-05-15-buetow.org.sh-one-bash-script-to-rule-it-all.draft.html index 21acf536..74fa8b5f 100644 --- a/content/html/gemfeed/2021-05-15-buetow.org.sh-one-bash-script-to-rule-it-all.draft.html +++ b/content/html/gemfeed/2021-05-15-buetow.org.sh-one-bash-script-to-rule-it-all.draft.html @@ -17,10 +17,6 @@ img { display:block; max-width: 80%; } -p.quote:before { - content: " | "; - padding-left: 2px; -} a.textlink:before { content: " ⇒ "; padding-left: 2px; diff --git a/content/html/gemfeed/2021-05-16-personal-bash-coding-style-guide.html b/content/html/gemfeed/2021-05-16-personal-bash-coding-style-guide.html index 88702c24..e4c57898 100644 --- a/content/html/gemfeed/2021-05-16-personal-bash-coding-style-guide.html +++ b/content/html/gemfeed/2021-05-16-personal-bash-coding-style-guide.html @@ -17,10 +17,6 @@ img { display:block; max-width: 80%; } -p.quote:before { - content: " | "; - padding-left: 2px; -} a.textlink:before { content: " ⇒ "; padding-left: 2px; diff --git a/content/html/gemfeed/atom.xml b/content/html/gemfeed/atom.xml index b87afe87..7f97acd0 100644 --- a/content/html/gemfeed/atom.xml +++ b/content/html/gemfeed/atom.xml @@ -1,6 +1,6 @@ <?xml version="1.0" encoding="utf-8"?> <feed xmlns="http://www.w3.org/2005/Atom"> - <updated>2021-05-17T21:01:05+01:00</updated> + <updated>2021-05-18T21:32:49+01:00</updated> <title>buetow.org feed</title> <subtitle>Having fun with computers!</subtitle> <link href="https://buetow.org/gemfeed/atom.xml" rel="self" /> @@ -976,6 +976,7 @@ apply Service "dig6" { </pre> <p class="quote"><i>Written by Paul Buetow 2016-04-09</i></p> <p>Over the last couple of years I wrote quite a few Puppet modules in order to manage my personal server infrastructure. One of them manages FreeBSD Jails and another one ZFS file systems. I thought I would give a brief overview in how it looks and feels.</p> +<a class="textlink" href="https://github.com/snonux/puppet-modules">https://github.com/snonux/puppet-modules</a><br /> <h2>ZFS</h2> <p>The ZFS module is a pretty basic one. It does not manage ZFS pools yet as I am not creating them often enough which would justify implementing an automation. But let's see how we can create a ZFS file system (on an already given ZFS pool named ztank):</p> <p>Puppet snippet:</p> @@ -1527,6 +1528,114 @@ exit </content> </entry> <entry> + <title>The fibonacci.pl.c Polyglot</title> + <link href="https://buetow.org/gemfeed/2014-03-24-the-fibonacci.pl.c-polyglot.html" /> + <id>https://buetow.org/gemfeed/2014-03-24-the-fibonacci.pl.c-polyglot.html</id> + <updated>2014-03-24T21:32:53+00:00</updated> + <author> + <name>Paul Buetow</name> + <email>comments@mx.buetow.org</email> + </author> + <summary>In computing, a polyglot is a computer program or script written in a valid form of multiple programming languages, which performs the same operations or output independent of the programming language used to compile or interpret it. .....to read on please visit my site.</summary> + <content type="xhtml"> + <div xmlns="http://www.w3.org/1999/xhtml"> + <h1>The fibonacci.pl.c Polyglot</h1> +<p class="quote"><i>Written by Paul Buetow 2014-03-24</i></p> +<p>In computing, a polyglot is a computer program or script written in a valid form of multiple programming languages, which performs the same operations or output independent of the programming language used to compile or interpret it</p> +<a class="textlink" href="https://en.wikipedia.org/wiki/Polyglot_(computing)">https://en.wikipedia.org/wiki/Polyglot_(computing)</a><br /> +<h2>The Fibonacci numbers</h2> +<p>For fun, I programmed my own Polyglot, which is both, valid Perl and C code. The interesting part about C is, that $ is a valid character to start variable names with:</p> +<pre> +#include <stdio.h> + +#define $arg function_argument +#define my int +#define sub int +#define BEGIN int main(void) + +my $arg; + +sub hello() { + printf("Hello, welcome to Perl-C!\n"); + printf("This program is both, valid C and Perl code!\n"); + printf("It calculates all fibonacci numbers from 0 to 9!\n\n"); + return 0; +} + +sub fibonacci() { + my $n = $arg; + + if ($n < 2) { + return $n; + } + + $arg = $n - 1; + my $fib1 = fibonacci(); + $arg = $n - 2; + my $fib2 = fibonacci(); + + return $fib1 + $fib2; +} + +BEGIN { + hello(); + my $i = 0; + + for ($i = 0; $i <= 10; ++$i) { + $arg = $i; + printf("fib(%d) = %d\n", $i, fibonacci()); + } + + return 0; +} +</pre> +<p>You can find the whole source code at GitHub:</p> +<a class="textlink" href="https://github.com/snonux/perl-c-fibonacci">https://github.com/snonux/perl-c-fibonacci</a><br /> +<h3>Let's run it with Perl:</h3> +<pre> +❯ perl fibonacci.pl.c +Hello, welcome to Perl-C! +This program is both, valid C and Perl code! +It calculates all fibonacci numbers from 0 to 9! + +fib(0) = 0 +fib(1) = 1 +fib(2) = 1 +fib(3) = 2 +fib(4) = 3 +fib(5) = 5 +fib(6) = 8 +fib(7) = 13 +fib(8) = 21 +fib(9) = 34 +fib(10) = 55 +</pre> +<h3>Let's compile it as C and run the binary:</h3> +<pre> +❯ gcc fibonacci.pl.c -o fibonacci +❯ ./fibonacci +Hello, welcome to Perl-C! +This program is both, valid C and Perl code! +It calculates all fibonacci numbers from 0 to 9! + +fib(0) = 0 +fib(1) = 1 +fib(2) = 1 +fib(3) = 2 +fib(4) = 3 +fib(5) = 5 +fib(6) = 8 +fib(7) = 13 +fib(8) = 21 +fib(9) = 34 +fib(10) = 55 +</pre> +<p>It's really fun to play with :-).</p> +<p>E-Mail me your thoughts at comments@mx.buetow.org!</p> + </div> + </content> + </entry> + <entry> <title>Perl Daemon (Service Framework)</title> <link href="https://buetow.org/gemfeed/2011-05-07-perl-daemon-service-framework.html" /> <id>https://buetow.org/gemfeed/2011-05-07-perl-daemon-service-framework.html</id> diff --git a/content/html/gemfeed/index.html b/content/html/gemfeed/index.html index c3c3028d..dd6200a4 100644 --- a/content/html/gemfeed/index.html +++ b/content/html/gemfeed/index.html @@ -17,10 +17,6 @@ img { display:block; max-width: 80%; } -p.quote:before { - content: " | "; - padding-left: 2px; -} a.textlink:before { content: " ⇒ "; padding-left: 2px; @@ -64,6 +60,7 @@ h2, h3 { <a class="textlink" href="./2016-04-09-jails-and-zfs-on-freebsd-with-puppet.html">2016-04-09 - Jails and ZFS with Puppet on FreeBSD</a><br /> <a class="textlink" href="./2016-04-03-offsite-backup-with-zfs.html">2016-04-03 - Offsite backup with ZFS</a><br /> <a class="textlink" href="./2015-12-05-run-debian-on-your-phone-with-debroid.html">2015-12-05 - Run Debian on your phone with Debroid</a><br /> +<a class="textlink" href="./2014-03-24-the-fibonacci.pl.c-polyglot.html">2014-03-24 - The fibonacci.pl.c Polyglot</a><br /> <a class="textlink" href="./2011-05-07-perl-daemon-service-framework.html">2011-05-07 - Perl Daemon (Service Framework)</a><br /> <a class="textlink" href="./2010-05-09-the-fype-programming-language.html">2010-05-09 - The Fype Programming Language</a><br /> <a class="textlink" href="./2010-04-09-standard-ml-and-haskell.html">2010-04-09 - Standard ML and Haskell</a><br /> diff --git a/content/html/index.html b/content/html/index.html index 76713db1..317a2730 100644 --- a/content/html/index.html +++ b/content/html/index.html @@ -17,10 +17,6 @@ img { display:block; max-width: 80%; } -p.quote:before { - content: " | "; - padding-left: 2px; -} a.textlink:before { content: " ⇒ "; padding-left: 2px; @@ -101,6 +97,7 @@ h2, h3 { <a class="textlink" href="./gemfeed/2016-04-09-jails-and-zfs-on-freebsd-with-puppet.html">2016-04-09 - Jails and ZFS with Puppet on FreeBSD</a><br /> <a class="textlink" href="./gemfeed/2016-04-03-offsite-backup-with-zfs.html">2016-04-03 - Offsite backup with ZFS</a><br /> <a class="textlink" href="./gemfeed/2015-12-05-run-debian-on-your-phone-with-debroid.html">2015-12-05 - Run Debian on your phone with Debroid</a><br /> +<a class="textlink" href="./gemfeed/2014-03-24-the-fibonacci.pl.c-polyglot.html">2014-03-24 - The fibonacci.pl.c Polyglot</a><br /> <a class="textlink" href="./gemfeed/2011-05-07-perl-daemon-service-framework.html">2011-05-07 - Perl Daemon (Service Framework)</a><br /> <a class="textlink" href="./gemfeed/2010-05-09-the-fype-programming-language.html">2010-05-09 - The Fype Programming Language</a><br /> <a class="textlink" href="./gemfeed/2010-04-09-standard-ml-and-haskell.html">2010-04-09 - Standard ML and Haskell</a><br /> diff --git a/content/html/resources.html b/content/html/resources.html index 45b20f6b..01890a10 100644 --- a/content/html/resources.html +++ b/content/html/resources.html @@ -17,10 +17,6 @@ img { display:block; max-width: 80%; } -p.quote:before { - content: " | "; - padding-left: 2px; -} a.textlink:before { content: " ⇒ "; padding-left: 2px; |