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improve zh2tw.go

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This commit is contained in:
chai2010 2015-12-11 17:26:52 +08:00
parent 643409dd27
commit aa31d6ed67
1 changed files with 15 additions and 1 deletions
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16
zh2tw.go
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@ -25,8 +25,11 @@ import (
"os" "os"
"path/filepath" "path/filepath"
"regexp" "regexp"
"unicode/utf8"
) )
const MaxFileSize = 8 << 20 // 8MB
const usage = ` const usage = `
Usage: zh2tw dir [nameFilter] Usage: zh2tw dir [nameFilter]
zh2tw -h zh2tw -h
@ -79,8 +82,8 @@ func main() {
if mathed { if mathed {
if changed := convertFile(path, method); changed { if changed := convertFile(path, method); changed {
fmt.Printf("%s\n", relpath) fmt.Printf("%s\n", relpath)
total++
} }
total++
} }
return nil return nil
}) })
@ -93,10 +96,21 @@ func convertFile(path, method string) (changed bool) {
log.Fatal("convertFile: filepath.Abs:", err) log.Fatal("convertFile: filepath.Abs:", err)
} }
fi, err := os.Lstat(abspath)
if err != nil {
log.Fatal("convertFile: os.Lstat:", err)
}
if fi.Size() > MaxFileSize {
return false
}
oldData, err := ioutil.ReadFile(abspath) oldData, err := ioutil.ReadFile(abspath)
if err != nil { if err != nil {
log.Fatal("convertFile: ioutil.ReadFile:", err) log.Fatal("convertFile: ioutil.ReadFile:", err)
} }
if !utf8.Valid(oldData) {
return false
}
newData := oldData newData := oldData
switch { switch {