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refactored CatFiles function

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This commit is contained in:
h3yEllex 2017-10-24 12:12:33 +03:00
parent 979162ec94
commit d94cc6f1d3
1 changed files with 10 additions and 9 deletions
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19
utils.go
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@ -11,25 +11,26 @@ import (
"github.com/pkg/errors"
)
func CatFiles(files []string, outfile string, remove ...bool) error {
// CatFiles copies data from n files to a single one and removes source files
// if Debug mode is set to false
func CatFiles(files []string, outfile string, remove bool) error {
finished, err := os.Create(outfile)
defer finished.Close()
if err != nil {
return errors.Wrap(err, "CatFiles create: ")
}
for i := range files {
fh, err := os.Open(files[i])
defer finished.Close()
for _, file := range files {
fh, err := os.Open(file)
if err != nil {
return errors.Wrap(err, "CatFiles open "+files[i]+": ")
return errors.Wrap(err, fmt.Sprintf("CatFiles open %v: ", file))
}
defer fh.Close()
_, err = io.Copy(finished, fh)
if err != nil {
return errors.Wrap(err, "CatFiles copy: ")
}
fh.Close()
if len(remove) > 0 && remove[0] {
os.Remove(files[i])
if remove {
os.Remove(file)
}
}
return nil