70 lines
1.4 KiB
Go
70 lines
1.4 KiB
Go
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// For more tutorials: https://blog.learngoprogramming.com
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//
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// Copyright © 2018 Inanc Gumus
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// Learn Go Programming Course
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// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
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//
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package main
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import (
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"fmt"
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"os"
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"strconv"
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"strings"
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)
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func main() {
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var start, stop int
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if args := os.Args[1:]; len(args) == 2 {
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start, _ = strconv.Atoi(args[0])
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stop, _ = strconv.Atoi(args[1])
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}
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if start == 0 || stop == 0 {
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start, stop = 'A', 'Z'
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}
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fmt.Printf("%-10s %-10s %-10s %-12s\n%s\n",
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"literal", "dec", "hex", "encoded",
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strings.Repeat("-", 45))
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for n := start; n <= stop; n++ {
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fmt.Printf("%-10c %-10[1]d %-10[1]x % -12x\n", n, string(n))
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}
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}
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/*
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EXAMPLE UNICODE BLOCKS
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1 byte
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------------------------------------------------------------
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asciiStart = '\u0001' -> 32
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asciiStop = '\u007f' -> 127
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upperCaseStart = '\u0041' -> 65
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upperCaseStop = '\u005a' -> 90
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lowerCaseStart = '\u0061' -> 97
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lowerCaseStop = '\u007a' -> 122
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2 bytes
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------------------------------------------------------------
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latin1Start = '\u0080' -> 161
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latin1Stop = '\u00ff' -> 255
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3 bytes
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------------------------------------------------------------
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dingbatStart = '\u2700' -> 9984
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dingbatStop = '\u27bf' -> 10175
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4 bytes
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------------------------------------------------------------
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emojiStart = '\U0001f600' -> 128512
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emojiStop = '\U0001f64f' -> 128591
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*/
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