59 lines
804 B
Go
59 lines
804 B
Go
package cat
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import (
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"bufio"
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"io"
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"os"
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"path"
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"strings"
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)
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func (c Cater) dir(dir string) error {
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files, err := os.ReadDir(dir)
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if err != nil {
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return err
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}
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for _, file := range files {
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i, err := file.Info()
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if err != nil {
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continue
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}
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path := path.Join(dir, i.Name())
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if !file.IsDir() {
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c.file(path)
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} else {
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c.dir(path)
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}
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}
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return nil
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}
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func (c Cater) file(filePath string) error {
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file, err := os.Open(filePath)
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if err != nil {
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return err
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}
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defer file.Close()
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// read file into strings.Builder
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var sb strings.Builder
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reader := bufio.NewReader(file)
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for {
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line, err := reader.ReadString('\n')
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if err != nil && err != io.EOF {
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return err
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}
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sb.WriteString(line)
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if err == io.EOF {
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break
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}
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}
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c[filePath] = sb.String()
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return nil
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}
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