32 lines
546 B
Go
32 lines
546 B
Go
package main
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import (
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"fmt"
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"os"
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"tallin/internal/counter"
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)
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func main() {
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if len(os.Args) != 2 {
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fmt.Fprintf(os.Stderr, "usage: %s <filename>\n", os.Args[0])
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os.Exit(1)
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}
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file, err := os.Open(os.Args[1])
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if err != nil {
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fmt.Fprintf(os.Stderr, "open file: %v\n", err)
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os.Exit(1)
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}
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defer file.Close()
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counts, err := counter.Count(file)
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if err != nil {
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fmt.Fprintf(os.Stderr, "read file: %v\n", err)
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os.Exit(1)
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}
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for _, result := range counter.Sorted(counts) {
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fmt.Printf("%s:%d\n", result.Name, result.Count)
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}
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}
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