52 lines
831 B
Go
52 lines
831 B
Go
package main
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import (
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"bufio"
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"fmt"
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"log"
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"os"
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"strings"
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)
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func main() {
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counts := make(map[string][]string)
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file := os.Args[1:]
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if len(file) == 0 {
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countLines(os.Stdin, counts)
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} else {
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for _, i := range file {
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f, err := os.Open(i)
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if err != nil {
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log.Print(err)
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}
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countLines(f, counts)
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f.Close()
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}
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}
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for lines, n := range counts {
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if len(n) > 1 {
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fmt.Printf("%v\t\"%s\"\n", n, strings.Trim(lines, " "))
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}
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}
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}
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func contains(slice []string, file string) bool {
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for _, i := range slice {
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if i == file {
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return true
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}
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}
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return false
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}
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func countLines(f *os.File, counts map[string][]string) {
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input := bufio.NewScanner(f)
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for input.Scan() {
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cur := counts[input.Text()]
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if !contains(cur, f.Name()) {
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cur = append(cur, f.Name())
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counts[input.Text()] = cur
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}
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}
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}
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