mirror of
https://github.com/crazybber/awesome-patterns.git
synced 2024-11-22 20:56:02 +03:00
42 lines
645 B
Go
42 lines
645 B
Go
package main
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import (
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"compress/gzip"
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"fmt"
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"io"
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"os"
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"sync"
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)
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func main() {
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var wg sync.WaitGroup
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var i int = -1
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var file string
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for i, file = range os.Args[1:] {
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wg.Add(1)
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go func(filename string) {
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compress(filename)
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wg.Done()
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}(file)
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}
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wg.Wait()
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fmt.Printf("Compressed %d files\n", i+1)
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}
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func compress(filename string) error {
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// Unchanged from above
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in, err := os.Open(filename)
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if err != nil {
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return err
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}
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defer in.Close()
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out, err := os.Create(filename + ".gz")
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if err != nil {
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return err
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}
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defer out.Close()
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gzout := gzip.NewWriter(out)
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_, err = io.Copy(gzout, in)
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gzout.Close()
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return err
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}
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