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Diffstat (limited to 'gemfeed/2024-07-05-random-weird-things.gmi')
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diff --git a/gemfeed/2024-07-05-random-weird-things.gmi b/gemfeed/2024-07-05-random-weird-things.gmi index dd8e75e6..5ad17655 100644 --- a/gemfeed/2024-07-05-random-weird-things.gmi +++ b/gemfeed/2024-07-05-random-weird-things.gmi @@ -1,9 +1,12 @@ -# Random Weird Things +# Random Weird Things - Part Ⅰ -> Published at 2024-07-05T10:59:59+03:00 +> Published at 2024-07-05T10:59:59+03:00; Updated at 2025-02-08 Every so often, I come across random, weird, and unexpected things on the internet. I thought it would be neat to share them here from time to time. As a start, here are ten of them. +=> ./2024-07-05-random-weird-things.gmi 2024-07-05 Random Weird Things - Part Ⅰ (You are currently reading this) +=> ./2025-02-08-random-weird-things-ii.gmi 2025-02-08 Random Weird Things - Part Ⅱ + ``` /\_/\ WHOA!! ( o.o ) @@ -13,43 +16,74 @@ WHOA!! ( o.o ) /______\ \ ``` +## Table of Contents + +* ⇢ Random Weird Things - Part Ⅰ +* ⇢ ⇢ 1. `bad.horse` traceroute +* ⇢ ⇢ 2. ASCII cinema +* ⇢ ⇢ 3. Netflix's Hello World application +* ⇢ ⇢ C programming +* ⇢ ⇢ ⇢ 4. Indexing an array +* ⇢ ⇢ ⇢ 5. Variables with prefix `$` +* ⇢ ⇢ 6. Object oriented shell scripts using `ksh` +* ⇢ ⇢ 7. This works in Go +* ⇢ ⇢ 8. "I am a Teapot" HTTP response code +* ⇢ ⇢ 9. `jq` is a functional programming language +* ⇢ ⇢ 10. Regular expression to verify email addresses + ## 1. `bad.horse` traceroute Run traceroute to get the poem (or song). +> Update: A reader hinted that by specifying `-n 60`, there will be even more output! + ```bash -% traceroute bad.horse -traceroute to bad.horse (162.252.205.157), 30 hops max, 60 byte packets - 1 dsldevice.lan (192.168.1.1) 5.712 ms 5.800 ms 6.466 ms - 2 87-243-116-2.ip.btc-net.bg (87.243.116.2) 8.017 ms 7.506 ms 8.432 ms - 3 * * * +❯ traceroute -m 60 bad.horse +traceroute to bad.horse (162.252.205.157), 60 hops max, 60 byte packets + 1 _gateway (192.168.1.1) 5.237 ms 5.264 ms 6.009 ms + 2 77-85-0-2.ip.btc-net.bg (77.85.0.2) 8.753 ms 7.112 ms 8.336 ms + 3 212-39-69-103.ip.btc-net.bg (212.39.69.103) 9.434 ms 9.268 ms 9.986 ms 4 * * * - 5 xe-1-2-0.mpr1.fra4.de.above.net (80.81.194.26) 39.952 ms 40.155 ms 40.139 ms - 6 ae12.cs1.fra6.de.eth.zayo.com (64.125.26.172) 128.014 ms * * + 5 xe-1-2-0.mpr1.fra4.de.above.net (80.81.194.26) 39.812 ms 39.030 ms 39.772 ms + 6 * ae12.cs1.fra6.de.eth.zayo.com (64.125.26.172) 123.576 ms * 7 * * * 8 * * * - 9 ae10.cs1.lhr15.uk.eth.zayo.com (64.125.29.17) 120.625 ms 121.117 ms 121.050 ms -10 * * * + 9 ae10.cr1.lhr15.uk.eth.zayo.com (64.125.29.17) 119.097 ms 119.478 ms 120.767 ms +10 ae2.cr1.lhr11.uk.zip.zayo.com (64.125.24.140) 120.398 ms 121.147 ms 120.948 ms 11 * * * -12 * * * -13 ae5.mpr1.tor3.ca.zip.zayo.com (64.125.23.118) 192.605 ms 205.741 ms 203.607 ms -14 64.124.217.237.IDIA-265104-ZYO.zip.zayo.com (64.124.217.237) 204.673 ms 134.674 ms 131.442 ms +12 ae25.mpr1.yyz1.ca.zip.zayo.com (64.125.23.117) 145.072 ms * 181.773 ms +13 ae5.mpr1.tor3.ca.zip.zayo.com (64.125.23.118) 168.239 ms 168.158 ms 168.137 ms +14 64.124.217.237.IDIA-265104-ZYO.zip.zayo.com (64.124.217.237) 168.026 ms 167.999 ms 165.451 ms 15 * * * -16 67.223.96.90 (67.223.96.90) 128.245 ms 127.844 ms 127.843 ms -17 bad.horse (162.252.205.130) 128.194 ms 122.854 ms 121.786 ms -18 bad.horse (162.252.205.131) 128.831 ms 128.341 ms 186.559 ms -19 bad.horse (162.252.205.132) 185.716 ms 180.121 ms 180.042 ms -20 bad.horse (162.252.205.133) 203.170 ms 203.076 ms 203.168 ms -21 he.rides.across.the.nation (162.252.205.134) 203.115 ms 141.830 ms 141.799 ms -22 the.thoroughbred.of.sin (162.252.205.135) 147.965 ms 148.230 ms 170.478 ms -23 he.got.the.application (162.252.205.136) 165.161 ms 164.939 ms 159.085 ms -24 that.you.just.sent.in (162.252.205.137) 162.310 ms 158.569 ms 158.896 ms -25 it.needs.evaluation (162.252.205.138) 162.927 ms 163.046 ms 163.085 ms -26 so.let.the.games.begin (162.252.205.139) 233.363 ms 233.545 ms 233.317 ms -27 a.heinous.crime (162.252.205.140) 237.745 ms 233.614 ms 233.740 ms -28 a.show.of.force (162.252.205.141) 237.974 ms 176.085 ms 175.927 ms -29 a.murder.would.be.nice.of.course (162.252.205.142) 181.838 ms 181.858 ms 182.059 ms -30 bad.horse (162.252.205.143) 187.731 ms 187.416 ms 187.532 ms +16 t00.toroc1.on.ca.sn11.net (162.252.204.2) 131.598 ms 131.308 ms 131.482 ms +17 bad.horse (162.252.205.130) 131.430 ms 145.914 ms 130.514 ms +18 bad.horse (162.252.205.131) 136.634 ms 145.295 ms 135.631 ms +19 bad.horse (162.252.205.132) 139.158 ms 148.363 ms 138.934 ms +20 bad.horse (162.252.205.133) 145.395 ms 148.054 ms 147.140 ms +21 he.rides.across.the.nation (162.252.205.134) 149.687 ms 147.731 ms 150.135 ms +22 the.thoroughbred.of.sin (162.252.205.135) 156.644 ms 155.155 ms 156.447 ms +23 he.got.the.application (162.252.205.136) 161.187 ms 162.318 ms 162.674 ms +24 that.you.just.sent.in (162.252.205.137) 166.763 ms 166.675 ms 164.243 ms +25 it.needs.evaluation (162.252.205.138) 172.073 ms 171.919 ms 171.390 ms +26 so.let.the.games.begin (162.252.205.139) 175.386 ms 174.180 ms 175.965 ms +27 a.heinous.crime (162.252.205.140) 180.857 ms 180.766 ms 180.192 ms +28 a.show.of.force (162.252.205.141) 187.942 ms 186.669 ms 186.986 ms +29 a.murder.would.be.nice.of.course (162.252.205.142) 191.349 ms 191.939 ms 190.740 ms +30 bad.horse (162.252.205.143) 195.425 ms 195.716 ms 196.186 ms +31 bad.horse (162.252.205.144) 199.238 ms 200.620 ms 200.318 ms +32 bad.horse (162.252.205.145) 207.554 ms 206.729 ms 205.201 ms +33 he-s.bad (162.252.205.146) 211.087 ms 211.649 ms 211.712 ms +34 the.evil.league.of.evil (162.252.205.147) 212.657 ms 216.777 ms 216.589 ms +35 is.watching.so.beware (162.252.205.148) 220.911 ms 220.326 ms 221.961 ms +36 the.grade.that.you.receive (162.252.205.149) 225.384 ms 225.696 ms 225.640 ms +37 will.be.your.last.we.swear (162.252.205.150) 232.312 ms 230.989 ms 230.919 ms +38 so.make.the.bad.horse.gleeful (162.252.205.151) 235.761 ms 235.291 ms 235.585 ms +39 or.he-ll.make.you.his.mare (162.252.205.152) 241.350 ms 239.407 ms 238.394 ms +40 o_o (162.252.205.153) 246.154 ms 247.650 ms 247.110 ms +41 you-re.saddled.up (162.252.205.154) 250.925 ms 250.401 ms 250.619 ms +42 there-s.no.recourse (162.252.205.155) 256.071 ms 251.154 ms 255.340 ms +43 it-s.hi-ho.silver (162.252.205.156) 260.152 ms 261.775 ms 261.544 ms +44 signed.bad.horse (162.252.205.157) 262.430 ms 261.410 ms 261.365 ms ``` ## 2. ASCII cinema @@ -245,7 +279,7 @@ This is a pretty old meme, but still worth posting here (as some may be unaware) ?:\r\n)?[ \t])+|\Z|(?=[\["()<>@,;:\\".\[\]]))|"(?:[^\"\r\\]|\\.|(?:(?:\r\n)?[ \t]))*"(?:(?:\r\n)?[ \t])*))*@(?:(?:\r\n)?[ \t])*(?:[^()<>@,;:\\".\[\] \000-\0 31]+(?:(?:(?:\r\n)?[ \t])+|\Z|(?=[\["()<>@,;:\\".\[\]]))|\[([^\[\]\r\\]|\\.)*\ -](?:(?:\r\n)?[ \t])*)(?:\.(?:(?:\r\n)?[ \t])*(?:[^()<>@,;:\\".\[\] \000-\031]+ +>(?:(?:\r\n)?[ \t])*)(?:\.(?:(?:\r\n)?[ \t])*(?:[^()<>@,;:\\".\[\] \000-\031]+ (?:(?:(?:\r\n)?[ \t])+|\Z|(?=[\["()<>@,;:\\".\[\]]))|\[([^\[\]\r\\]|\\.)*\](?: (?:\r\n)?[ \t])*))*|(?:[^()<>@,;:\\".\[\] \000-\031]+(?:(?:(?:\r\n)?[ \t])+|\Z |(?=[\["()<>@,;:\\".\[\]]))|"(?:[^\"\r\\]|\\.|(?:(?:\r\n)?[ \t]))*"(?:(?:\r\n) @@ -261,8 +295,8 @@ r\n)?[ \t])+|\Z|(?=[\["()<>@,;:\\".\[\]]))|\[([^\[\]\r\\]|\\.)*\](?:(?:\r\n)?[ |\Z|(?=[\["()<>@,;:\\".\[\]]))|"(?:[^\"\r\\]|\\.|(?:(?:\r\n)?[ \t]))*"(?:(?:\r \n)?[ \t])*)(?:\.(?:(?:\r\n)?[ \t])*(?:[^()<>@,;:\\".\[\] \000-\031]+(?:(?:(?: \r\n)?[ \t])+|\Z|(?=[\["()<>@,;:\\".\[\]]))|"(?:[^\"\r\\]|\\.|(?:(?:\r\n)?[ \t -]))*"(?:(?:\r\n)?[ \t])*))*@(?:(?:\r\n)?[ \t])*(?:[^()<>@,;:\\".\[\] \000-\031 -]+(?:(?:(?:\r\n)?[ \t])+|\Z|(?=[\["()<>@,;:\\".\[\]]))|\[([^\[\]\r\\]|\\.)*\]( +>))*"(?:(?:\r\n)?[ \t])*))*@(?:(?:\r\n)?[ \t])*(?:[^()<>@,;:\\".\[\] \000-\031 +>+(?:(?:(?:\r\n)?[ \t])+|\Z|(?=[\["()<>@,;:\\".\[\]]))|\[([^\[\]\r\\]|\\.)*\]( ?:(?:\r\n)?[ \t])*)(?:\.(?:(?:\r\n)?[ \t])*(?:[^()<>@,;:\\".\[\] \000-\031]+(? :(?:(?:\r\n)?[ \t])+|\Z|(?=[\["()<>@,;:\\".\[\]]))|\[([^\[\]\r\\]|\\.)*\](?:(? :\r\n)?[ \t])*))*\>(?:(?:\r\n)?[ \t])*)|(?:[^()<>@,;:\\".\[\] \000-\031]+(?:(? @@ -281,7 +315,7 @@ r\n)?[ \t])+|\Z|(?=[\["()<>@,;:\\".\[\]]))|\[([^\[\]\r\\]|\\.)*\](?:(?:\r\n)?[ :\\".\[\] \000-\031]+(?:(?:(?:\r\n)?[ \t])+|\Z|(?=[\["()<>@,;:\\".\[\]]))|\[([ ^\[\]\r\\]|\\.)*\](?:(?:\r\n)?[ \t])*)(?:\.(?:(?:\r\n)?[ \t])*(?:[^()<>@,;:\\" .\[\] \000-\031]+(?:(?:(?:\r\n)?[ \t])+|\Z|(?=[\["()<>@,;:\\".\[\]]))|\[([^\[\ -]\r\\]|\\.)*\](?:(?:\r\n)?[ \t])*))*(?:,@(?:(?:\r\n)?[ \t])*(?:[^()<>@,;:\\".\ +>\r\\]|\\.)*\](?:(?:\r\n)?[ \t])*))*(?:,@(?:(?:\r\n)?[ \t])*(?:[^()<>@,;:\\".\ [\] \000-\031]+(?:(?:(?:\r\n)?[ \t])+|\Z|(?=[\["()<>@,;:\\".\[\]]))|\[([^\[\]\ r\\]|\\.)*\](?:(?:\r\n)?[ \t])*)(?:\.(?:(?:\r\n)?[ \t])*(?:[^()<>@,;:\\".\[\] \000-\031]+(?:(?:(?:\r\n)?[ \t])+|\Z|(?=[\["()<>@,;:\\".\[\]]))|\[([^\[\]\r\\] @@ -293,17 +327,17 @@ r\\]|\\.)*\](?:(?:\r\n)?[ \t])*)(?:\.(?:(?:\r\n)?[ \t])*(?:[^()<>@,;:\\".\[\] (?:[^()<>@,;:\\".\[\] \000-\031]+(?:(?:(?:\r\n)?[ \t])+|\Z|(?=[\["()<>@,;:\\". \[\]]))|\[([^\[\]\r\\]|\\.)*\](?:(?:\r\n)?[ \t])*)(?:\.(?:(?:\r\n)?[ \t])*(?:[ ^()<>@,;:\\".\[\] \000-\031]+(?:(?:(?:\r\n)?[ \t])+|\Z|(?=[\["()<>@,;:\\".\[\] -]))|\[([^\[\]\r\\]|\\.)*\](?:(?:\r\n)?[ \t])*))*\>(?:(?:\r\n)?[ \t])*)(?:,\s*( +>))|\[([^\[\]\r\\]|\\.)*\](?:(?:\r\n)?[ \t])*))*\>(?:(?:\r\n)?[ \t])*)(?:,\s*( ?:(?:[^()<>@,;:\\".\[\] \000-\031]+(?:(?:(?:\r\n)?[ \t])+|\Z|(?=[\["()<>@,;:\\ ".\[\]]))|"(?:[^\"\r\\]|\\.|(?:(?:\r\n)?[ \t]))*"(?:(?:\r\n)?[ \t])*)(?:\.(?:( ?:\r\n)?[ \t])*(?:[^()<>@,;:\\".\[\] \000-\031]+(?:(?:(?:\r\n)?[ \t])+|\Z|(?=[ \["()<>@,;:\\".\[\]]))|"(?:[^\"\r\\]|\\.|(?:(?:\r\n)?[ \t]))*"(?:(?:\r\n)?[ \t -])*))*@(?:(?:\r\n)?[ \t])*(?:[^()<>@,;:\\".\[\] \000-\031]+(?:(?:(?:\r\n)?[ \t -])+|\Z|(?=[\["()<>@,;:\\".\[\]]))|\[([^\[\]\r\\]|\\.)*\](?:(?:\r\n)?[ \t])*)(? +>)*))*@(?:(?:\r\n)?[ \t])*(?:[^()<>@,;:\\".\[\] \000-\031]+(?:(?:(?:\r\n)?[ \t +>)+|\Z|(?=[\["()<>@,;:\\".\[\]]))|\[([^\[\]\r\\]|\\.)*\](?:(?:\r\n)?[ \t])*)(? :\.(?:(?:\r\n)?[ \t])*(?:[^()<>@,;:\\".\[\] \000-\031]+(?:(?:(?:\r\n)?[ \t])+| \Z|(?=[\["()<>@,;:\\".\[\]]))|\[([^\[\]\r\\]|\\.)*\](?:(?:\r\n)?[ \t])*))*|(?: [^()<>@,;:\\".\[\] \000-\031]+(?:(?:(?:\r\n)?[ \t])+|\Z|(?=[\["()<>@,;:\\".\[\ -]]))|"(?:[^\"\r\\]|\\.|(?:(?:\r\n)?[ \t]))*"(?:(?:\r\n)?[ \t])*)*\<(?:(?:\r\n) +>]))|"(?:[^\"\r\\]|\\.|(?:(?:\r\n)?[ \t]))*"(?:(?:\r\n)?[ \t])*)*\<(?:(?:\r\n) ?[ \t])*(?:@(?:[^()<>@,;:\\".\[\] \000-\031]+(?:(?:(?:\r\n)?[ \t])+|\Z|(?=[\[" ()<>@,;:\\".\[\]]))|\[([^\[\]\r\\]|\\.)*\](?:(?:\r\n)?[ \t])*)(?:\.(?:(?:\r\n) ?[ \t])*(?:[^()<>@,;:\\".\[\] \000-\031]+(?:(?:(?:\r\n)?[ \t])+|\Z|(?=[\["()<> |