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			43 lines
		
	
	
		
			589 B
		
	
	
	
		
			Go
		
	
			
		
		
	
	
			43 lines
		
	
	
		
			589 B
		
	
	
	
		
			Go
		
	
| package tools
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| 
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| import (
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| 	"bufio"
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| 	"io"
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| 	"os"
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| )
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| 
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| func ReadLine(path string, fn func(line string) error) error {
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| 	fp, err := os.Open(path)
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| 	if err != nil {
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| 		return err
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| 	}
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| 	defer fp.Close()
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| 
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| 	buf := bufio.NewReader(fp)
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| 	for {
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| 		line, _, err := buf.ReadLine()
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| 		if err == io.EOF {
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| 			break
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| 		} else if err != nil {
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| 			return err
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| 		}
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| 		err = fn(string(line))
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| 		if err != nil {
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| 			return err
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| 		}
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| 	}
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| 	return nil
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| }
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| 
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| func FileIsExists(path string) (bool, error) {
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| 	_, err := os.Stat(path)
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| 	if err == nil {
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| 		return true, nil
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| 	}
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| 
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| 	if os.IsNotExist(err) {
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| 		return false, nil
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| 	}
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| 	return true, err
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| }
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