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Merge pull request #918 from wonderflow/tools
add charset converter
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "flag" | ||
| "fmt" | ||
| "io/ioutil" | ||
| "os" | ||
|
|
||
| "github.com/axgle/mahonia" | ||
| ) | ||
|
|
||
| const usage = `converter convert files from one specify charset to another | ||
| Usage: | ||
| converter [commands|flags] | ||
| The commands & flags are: | ||
| -sc <charset> source file charset | ||
| -dc <charset> destination file charset, if you not specify this, default will be UTF-8 | ||
| -s <file> source file path | ||
| -d <file> destination file path | ||
| -l list all supported charset | ||
| -t test log with all charset | ||
| Examples: | ||
| # start logkit | ||
| converter -sc UTF-16 -s /home/test/test.log -d UTF-8 -d /home/test/test.utf-8.log | ||
| ` | ||
|
|
||
| var ( | ||
| sc = flag.String("sc", "", "source file charset") | ||
| dc = flag.String("dc", "UTF-8", "destination file charset") | ||
| sp = flag.String("s", "", "source file path") | ||
| dp = flag.String("d", "decoded.log", "destination file path") | ||
| list = flag.Bool("l", false, "list all supported charset") | ||
| test = flag.Bool("t", false, "test log with all charset") | ||
| ) | ||
|
|
||
| func usageExit(rc int) { | ||
| fmt.Println(usage) | ||
| os.Exit(rc) | ||
| } | ||
|
|
||
| func main() { | ||
| flag.Usage = func() { usageExit(0) } | ||
| flag.Parse() | ||
| lists := []string{"UTF-8", "UTF-16", "US-ASCII", "ISO-8859-1", | ||
| "GBK", "latin1", "GB18030", "EUC-JP", "UTF-16BE", "UTF-16LE", "Big5", "Shift_JIS", | ||
| "ISO-8859-2", "ISO-8859-3", "ISO-8859-4", "ISO-8859-5", "ISO-8859-6", "ISO-8859-7", | ||
| "ISO-8859-8", "ISO-8859-9", "ISO-8859-10", "ISO-8859-11", "ISO-8859-13", | ||
| "ISO-8859-14", "ISO-8859-15", "ISO-8859-16", "macos-0_2-10.2", "macos-6_2-10.4", | ||
| "macos-7_3-10.2", "macos-29-10.2", "macos-35-10.2", "windows-1250", "windows-1251", | ||
| "windows-1252", "windows-1253", "windows-1254", "windows-1255", "windows-1256", | ||
| "windows-1257", "windows-1258", "windows-874", "IBM037", "ibm-273_P100-1995", | ||
| "ibm-277_P100-1995", "ibm-278_P100-1995", "ibm-280_P100-1995", "ibm-284_P100-1995", | ||
| "ibm-285_P100-1995", "ibm-290_P100-1995", "ibm-297_P100-1995", "ibm-420_X120-1999", | ||
| //此处省略大量IBM的字符集，太多，等用户需要再加 | ||
| "KOI8-R", "KOI8-U", "ebcdic-xml-us"} | ||
| if *list { | ||
| fmt.Println("this tool is used to convert files from one specify charset to another, use -h to see how to use it\n all supported charsets are list as belows:") | ||
| for _, v := range lists { | ||
| fmt.Println(v) | ||
| } | ||
| return | ||
| } | ||
|
|
||
| if *sp == "" { | ||
| fmt.Println("you must specify your log path to be converted, use -h to helps") | ||
| return | ||
| } | ||
| datas, err := ioutil.ReadFile(*sp) | ||
| if err != nil { | ||
| fmt.Println("read file ", *sp, " err: ", err) | ||
| return | ||
| } | ||
| if *test { | ||
| if len(datas) > 1024 { | ||
| datas = datas[:1024] | ||
| } | ||
| for _, v := range lists { | ||
| fmt.Println(v) | ||
| decoder := mahonia.NewDecoder(v) | ||
| fmt.Println(decoder.ConvertString(string(datas))) | ||
| } | ||
| return | ||
| } | ||
| if *sc == "" { | ||
| fmt.Println("you must specify your source file charset, use -l to see all supported charsets") | ||
| return | ||
| } | ||
| decoder := mahonia.NewDecoder(*sc) | ||
| ret := decoder.ConvertString(string(datas)) | ||
| err = ioutil.WriteFile(*dp, []byte(ret), 0644) | ||
| if err != nil { | ||
| fmt.Println("write file ", *dp, " err: ", err) | ||
| } | ||
| return | ||
| } |