meifamily/ptt-alertor

package myutil

import (
    "os"
    "path/filepath"
    "strings"
)

func FileNameAndExtension(basefilename string) (filename string, ext string) {
    extWithDot := filepath.Ext(basefilename)
    filename = strings.TrimRight(basefilename, extWithDot)
    ext = strings.TrimPrefix(extWithDot, ".")
    return filename, ext
}

func JSONFile(file os.FileInfo) (fileName string, ok bool) {
    if file.IsDir() {
        return "", false
    }

    fileName, ext := FileNameAndExtension(file.Name())
    if ext != "json" {
        return "", false
    }
    return fileName, true
}