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This commit is contained in:
Isaac Lewis 2025-11-06 11:13:23 -08:00
commit 93d30eeb52
7 changed files with 158 additions and 0 deletions
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33
.gitignore vendored Normal file
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.DS_Store
# If you prefer the allow list template instead of the deny list, see community template:
# https://github.com/github/gitignore/blob/main/community/Golang/Go.AllowList.gitignore
#
# Binaries for programs and plugins
*.exe
*.exe~
*.dll
*.so
*.dylib
# Test binary, built with `go test -c`
*.test
# Code coverage profiles and other test artifacts
*.out
coverage.*
*.coverprofile
profile.cov
# Dependency directories (remove the comment below to include it)
# vendor/
# Go workspace file
go.work
go.work.sum
# env file
.env
# Editor/IDE
# .idea/
# .vscode/

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dist/rot-darwin vendored Executable file
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go.mod Normal file
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module rot
go 1.22.1

106
main.go Normal file
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package main
import (
"bytes"
"fmt"
"math/rand"
"net"
"os"
"time"
)
func getRandomAddress() string {
ip1 := rand.Intn(256)
ip2 := rand.Intn(256)
ip3 := rand.Intn(256)
ip4 := rand.Intn(256)
return fmt.Sprintf("%d.%d.%d.%d", ip1, ip2, ip3, ip4)
}
func offgas(r rune) {
address := getRandomAddress()
conn, err := net.Dial("udp", address+":7")
if err != nil {
fmt.Println("Error connecting to:", address, err)
}
defer conn.Close()
// Set write timeout
conn.SetWriteDeadline(time.Now().Add(3 * time.Second))
// Send the character
_, err = conn.Write([]byte(string(r)))
if err != nil {
fmt.Println("Error sending data to:", address, err)
return
}
}
func main() {
// get poem.txt and index.html locations from args, if possible
poemFile := "poem.txt"
indexFile := "index.html"
if len(os.Args) == 3 {
poemFile = os.Args[1]
indexFile = os.Args[2]
}
// get string from poem.txt
str, err := os.ReadFile(poemFile)
if err != nil {
fmt.Println("Error reading file:", err)
return
}
bstr := []byte(str)
lastRune := rune(0)
randomByteSwitch := func(r rune) rune {
dec := rand.Float64()
if dec < 0.003 {
lastRune = r
if r == 10 || r == 13 {
return r
}
char := rand.Float64()
if char > 0.3 {
return rune(rand.Int31n(8191) + 97) // a-z
}
if char < 0.01 {
return rand.Int31n(128591-128513) + 128513
}
return rand.Int31n(11359)
}
if dec < 0.007 {
if dec > 0.001 && r == 10 || r == 13 {
if lastRune == 10 || lastRune == 13 {
offgas(r)
lastRune = r
return -1
}
lastRune = r
return r
}
offgas(r)
lastRune = r
return -1
}
return r
}
bstr = bytes.Map(randomByteSwitch, bstr)
outstr := "<!DOCTYPE html><html><head><title>poem, rotting</title><meta name='viewport' content='width=device-width, initial-scale=1' /><link rel='stylesheet' href='style.css' /></head><body><h1>rotting</h1><small>This poem rots over time, eventually disappearing. New words are added to the top of the heap periodically. It offgasses into the internet via random UDP <a href='https://www.rfc-editor.org/rfc/rfc862'>echo packets</a>. Few hosts respond.</small><hr/><p id='poem'>" + string(bstr) + "</p></body></html>"
// write to index.html
err = os.WriteFile(indexFile, []byte(outstr), 0644)
err = os.WriteFile(poemFile, bstr, 0644)
if err != nil {
fmt.Println("Error writing file:", err)
return
}
}

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www/index.html Normal file
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<!DOCTYPE html><html><head><title>poem, rotting</title><meta name='viewport' content='width=device-width, initial-scale=1' /><link rel='stylesheet' href='style.css' /></head><body><h1>rotting</h1><small>This poem rots over time, eventually disappearing. New words are added to the top of the heap periodically. It offgasses into the internet via random UDP <a href='https://www.rfc-editor.org/rfc/rfc862'>echo packets</a>. Few hosts respond.</small><hr/><p id='poem'></p></body></html>

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www/style.css Normal file
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body {
padding: 2px;
max-width: 550px;
margin: 0 auto;
}
h1 {
font-size: 4em;
margin-bottom: 0px;
}
#poem {
margin-top: 70px;
white-space: pre;
}