tools

func ColorLog ¶

func ColorLog(format string, a ...interface{})

ColorLog prints colored log to stdout. See color rules in function 'ColorLogS'.

func ColorLogS ¶

func ColorLogS(format string, a ...interface{}) string

ColorLogS colors log and return colored content. Log format: <level> <content [highlight][path]> [ error ]. Level: TRAC -> blue; ERRO -> red; WARN -> Magenta; SUCC -> green; others -> default. Content: default; path: yellow; error -> red. Level has to be surrounded by "[" and "]". Highlights have to be surrounded by "# " and " #"(space), "#" will be deleted. Paths have to be surrounded by "( " and " )"(space). Errors have to be surrounded by "[ " and " ]"(space). Note: it hasn't support windows yet, contribute is welcome.

func CurrentUsername ¶

func CurrentUsername() string

CurrentUsername returns the username of the current user.

func ExecCmd ¶

func ExecCmd(cmdName string, args ...string) (string, string, error)

ExecCmd executes system command and return stdout, stderr in string type, along with possible error.

func ExecCmdBytes ¶

func ExecCmdBytes(cmdName string, args ...string) ([]byte, []byte, error)

ExecCmdBytes executes system command and return stdout, stderr in bytes type, along with possible error.

func ExecCmdDir ¶

func ExecCmdDir(dir, cmdName string, args ...string) (string, string, error)

ExecCmdDir executes system command in given directory and return stdout, stderr in string type, along with possible error.

func ExecCmdDirBytes ¶

func ExecCmdDirBytes(dir, cmdName string, args ...string) ([]byte, []byte, error)

ExecCmdDirBytes executes system command in given directory and return stdout, stderr in bytes type, along with possible error.

func HexStr2int ¶

func HexStr2int(hexStr string) (int, error)

HexStr2int converts hex format string to decimal number.

func Int2HexStr ¶

func Int2HexStr(num int) (hex string)

Int2HexStr converts decimal number to hex format string.

func IsDir ¶

func IsDir(dir string) bool

IsDir returns true if given path is a directory, and returns false when it's a file or does not exist.

func IsExist ¶

func IsExist(path string) bool

IsExist returns true if a file or directory exists.

func IsFile ¶

func IsFile(path string) bool

IsFile returns true if given path exists as a file (i.e. not a directory).

func PowInt ¶

func PowInt(x int, y int) int

PowInt is int type of math.Pow function.

func ToSnakeCase ¶

func ToSnakeCase(str string) string

ToSnakeCase can convert all upper case characters in a string to underscore format.

Some samples.

"FirstName"  => "first_name"
"HTTPServer" => "http_server"
"NoHTTPS"    => "no_https"
"GO_PATH"    => "go_path"
"GO PATH"    => "go_path"      // space is converted to underscore.
"GO-PATH"    => "go_path"      // hyphen is converted to underscore.

From https://github.com/huandu/xstrings

func ToStr ¶

func ToStr(value interface{}, args ...int) (s string)

Convert any type to string.