95 lines
1.9 KiB
Go
95 lines
1.9 KiB
Go
package main
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import (
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"flag"
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"fmt"
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"strings"
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)
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func main() {
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var all bool
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flag.BoolVar(&all, "all", false, "reveal the code words of all the letters in the English alphabet.")
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flag.Parse()
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if all {
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fmt.Print(phoneticLetters(fullAlphabet()))
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} else {
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fmt.Print(phoneticLetters(flag.Args()...))
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}
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}
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// phoneticLetters returns a string of all the code words for the given set of letters.
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func phoneticLetters(input... string) string {
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var characters string
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for i := range input {
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characters = characters + strings.ToLower(input[i])
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}
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b := strings.Builder{}
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for _, r := range characters {
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switch r {
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case 'a':
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b.WriteString("A - Alpha\n")
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case 'b':
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b.WriteString("B - Bravo\n")
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case 'c':
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b.WriteString("C - Charlie\n")
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case 'd':
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b.WriteString("D - Delta\n")
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case 'e':
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b.WriteString("E - Echo\n")
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case 'f':
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b.WriteString("F - Foxtrot\n")
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case 'g':
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b.WriteString("G - Golf\n")
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case 'h':
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b.WriteString("H - Hotel\n")
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case 'i':
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b.WriteString("I - India\n")
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case 'j':
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b.WriteString("J - Juliet\n")
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case 'k':
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b.WriteString("K - Kilo\n")
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case 'l':
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b.WriteString("L - Lima\n")
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case 'm':
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b.WriteString("M - Mike\n")
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case 'n':
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b.WriteString("N - November\n")
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case 'o':
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b.WriteString("O - Oscar\n")
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case 'p':
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b.WriteString("P - Papa\n")
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case 'q':
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b.WriteString("Q - Quebec\n")
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case 'r':
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b.WriteString("R - Romeo\n")
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case 's':
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b.WriteString("S - Sierra\n")
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case 't':
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b.WriteString("T - Tango\n")
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case 'u':
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b.WriteString("U - Uniform\n")
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case 'v':
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b.WriteString("V - Victor\n")
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case 'w':
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b.WriteString("W - Whiskey\n")
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case 'x':
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b.WriteString("X - Xray\n")
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case 'y':
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b.WriteString("Y - Yankee\n")
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case 'z':
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b.WriteString("Z - Zulu\n")
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}
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}
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return b.String()
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}
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// fullAlphabet returns a string of all the letters in the alphabet.
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func fullAlphabet() string {
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return "a b c d e f g h i j k l m n o p q r s t u v w x y z"
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}
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