util

Documentation

Index

• func CopyFile(src string, dest string) (int64, error)
• func DeleteFiles(files []string)
• func FileExists(path string) bool
• func FindLogFiles(path string) ([]string, []string, error)
• func GetFieldNameByTag(s interface{}, tag, value string) string
• func GetOrElse(s string, def string) string
• func GetSystemDnsServer() string
• func IsDirectory(path string) (bool, error)
• func LookupIP(addr string, server string) (string, error)
• func Map2String(m map[string]string) string
• func Partition(s string, sep string) (string, string, string)
• func PruneByTag(in interface{}, value string, tag string) (interface{}, error)
• func ReadFileLines(path string) ([]string, error)
• func RenameFiles(old []string, new []string)
• func SplitExt(path string) (string, string)
• func String2Map(s string) map[string]string
• func ZipFiles(filename string, files []string) error

Functions

func CopyFile

func CopyFile(src string, dest string) (int64, error)

CopyFile copy a file from src path to dest path

func DeleteFiles

func DeleteFiles(files []string)

DeleteFiles removes the given file list ignoring errors

func FileExists

func FileExists(path string) bool

FileExists checks whether the given path is a file

func FindLogFiles

func FindLogFiles(path string) ([]string, []string, error)

FindLogFiles returns the files and dates archived by date

func GetFieldNameByTag

func GetFieldNameByTag(s interface{}, tag, value string) string

GetFieldNameByTag returns the field name of struct that match the given tag and value

func GetOrElse

func GetOrElse(s string, def string) string

GetOrElse returns the given string if it's non-empty, or returns the default string.

func GetSystemDnsServer

func GetSystemDnsServer() string

GetSystemDnsServer returns the dns server used by local system

func IsDirectory

func IsDirectory(path string) (bool, error)

IsDirectory determines if a file represented by `path` is a directory or not

func LookupIP

func LookupIP(addr string, server string) (string, error)

LookupIP lookups the IP address of the given host name with the given dns server

func Map2String

func Map2String(m map[string]string) string

Map2String turns the map into string. The key value pairs are separated by equal sign. Each pair is separated by new line character.

func Partition

func Partition(s string, sep string) (string, string, string)

Partition returns the left side of the separator, the separator and the right side of the separator.

func PruneByTag

func PruneByTag(in interface{}, value string, tag string) (interface{}, error)

PruneByTag returns a copy of "in" that only contains fields with the given tag and value

func ReadFileLines

func ReadFileLines(path string) ([]string, error)

ReadFileLines reads all lines in a file and returns a slice of string

func RenameFiles

func RenameFiles(old []string, new []string)

RenameFiles renames the given file list with new file list ignoring errors

func SplitExt

func SplitExt(path string) (string, string)

SplitExt splits the path into base name and file extension

func String2Map

func String2Map(s string) map[string]string

String2Map splits the string by new line character. Each line is partitioned by equal sign. The left side is the key while the right side is the value.

func ZipFiles

func ZipFiles(filename string, files []string) error

ZipFiles compresses the given file list to a zip file