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twiddle.go
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twiddle.go
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package main
import (
"bufio"
"flag"
"fmt"
"os"
"strings"
)
func main() {
extraFlag := flag.Bool("e", false, "extra: Should we add some extra string fiddling?")
lightFlag := flag.Bool("l", false, "light: Print just a few common substitutions (overrides -e)")
flag.Parse()
scanner := bufio.NewScanner(os.Stdin)
for scanner.Scan() {
text := scanner.Text()
if len(text) > 0 {
twiddle(text, *extraFlag, *lightFlag)
}
}
}
func twiddle(t string, extra bool, light bool) {
if !light {
fmt.Println(t + t)
fmt.Println(t + "0")
fmt.Println(t + "1")
if extra {
fmt.Println(strings.ToUpper(t))
fmt.Println(strings.ToUpper(string(t[0])) + t[1:])
fmt.Println(strings.ToUpper(string(t[0])) + t)
fmt.Println(string(t[len(t)-1]) + t[:len(t)-1])
fmt.Println(string(t[len(t)-1]) + string(t[len(t)-1]) + t)
fmt.Println(string(t[len(t)-1]) + string(t[len(t)-1]) + t[:len(t)-1])
fmt.Println(string(t[len(t)-1]) + t + "0")
fmt.Println(string(t[len(t)-1]) + t + "1")
if len(t) > 1 {
fmt.Println(t[:2] + t)
}
}
}
fmt.Println(t)
fmt.Println(string(t[0]) + t)
fmt.Println(string(t[len(t)-1]) + t)
}