mime-extractor: write subject and text

[c0de9en]

It would be nice to write message text to files. Same as in this patch.

index 2313bc4..974e0ec 100644
--- a/cmd/mime-extractor/mime-extractor.go
+++ b/cmd/mime-extractor/mime-extractor.go
@@ -81,6 +81,29 @@ func (ex *extractor) extract(file, dir string) int {
 
        // Write errOut attachments
        fmt.Fprintf(ex.errOut, "\nExtracting attachments into %s...", dir)
+
+       // Write Subject
+       newFileName := filepath.Join(dir, ".subject")
+       err = ex.fileWrite(newFileName, []byte(e.GetHeader("Subject")), 0644)
+       if err != nil {
+               fmt.Fprintf(ex.stdOut, "Error writing file %q: %v\n", newFileName, err)
+       }
+
+       // Write TEXT
+       newFileName = filepath.Join(dir, ".text")
+       err = ex.fileWrite(newFileName, []byte(e.Text), 0644)
+       if err != nil {
+               fmt.Fprintf(ex.stdOut, "Error writing file %q: %v\n", newFileName, err)
+       }
+
+       // Write HTML
+       newFileName = filepath.Join(dir, ".html")
+       err = ex.fileWrite(newFileName, []byte(e.HTML), 0644)
+       if err != nil {
+               fmt.Fprintf(ex.stdOut, "Error writing file %q: %v\n", newFileName, err)
+       }
+
+       // Write attachments
        for _, a := range e.Attachments {
                newFileName := filepath.Join(dir, a.FileName)
                err = ex.fileWrite(newFileName, a.Content, 0644)

I use this patch. May be other users need something the same...