abzcoding /
hget
| Total Lines | 51 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
| 1 | package main |
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| 2 | |||
| 3 | import ( |
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| 4 | "github.com/fatih/color" |
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| 5 | "gopkg.in/cheggaaa/pb.v1" |
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| 6 | "io" |
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| 7 | "os" |
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| 8 | "sort" |
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| 9 | ) |
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| 10 | |||
| 11 | func JoinFile(files []string, out string) error { |
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introduced
by
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| 12 | //sort with file name or we will join files with wrong order |
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| 13 | sort.Strings(files) |
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| 14 | var bar *pb.ProgressBar |
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| 15 | |||
| 16 | if DisplayProgressBar() { |
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| 17 | Printf("Start joining \n") |
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| 18 | bar = pb.StartNew(len(files)).Prefix(color.CyanString("Joining")) |
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| 19 | } |
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| 20 | |||
| 21 | outf, err := os.OpenFile(out, os.O_CREATE|os.O_WRONLY, 0600) |
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| 22 | defer outf.Close() |
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| 23 | if err != nil { |
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| 24 | return err |
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| 25 | } |
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| 26 | |||
| 27 | for _, f := range files { |
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| 28 | if err = copy(f, outf); err != nil { |
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| 29 | return err |
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| 30 | } |
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| 31 | if DisplayProgressBar() { |
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| 32 | bar.Increment() |
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| 33 | } |
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| 34 | } |
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| 35 | |||
| 36 | if DisplayProgressBar() { |
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| 37 | bar.Finish() |
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| 38 | } |
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| 39 | |||
| 40 | return nil |
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| 41 | } |
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| 42 | |||
| 43 | //this function split just to use defer |
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| 44 | func copy(from string, to io.Writer) error { |
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| 45 | f, err := os.OpenFile(from, os.O_RDONLY, 0600) |
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| 46 | defer f.Close() |
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| 47 | if err != nil { |
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| 48 | return err |
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| 49 | } |
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| 50 | io.Copy(to, f) |
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| 51 | return nil |
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| 52 | } |
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| 53 |
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