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https://github.com/onyx-and-iris/aoc2023.git
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38 lines
646 B
Go
38 lines
646 B
Go
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package main
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import (
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"bufio"
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"log"
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"os"
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"strconv"
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)
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// readlines reads lines from stdin.
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// Then it returns them as an array of strings
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func readlines() []string {
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lines := []string{}
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scanner := bufio.NewScanner(os.Stdin)
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for scanner.Scan() {
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lines = append(lines, scanner.Text())
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}
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if err := scanner.Err(); err != nil {
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log.Fatal(err)
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}
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return lines
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}
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// getIdForGame returns the id for a game
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func getIdForGame(identifier string) (int, error) {
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m := regex["game"].FindStringSubmatch(identifier)
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i := regex["game"].SubexpIndex("game")
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id, err := strconv.Atoi(m[i])
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if err != nil {
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return 0, err
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}
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return id, nil
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}
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