helper

Documentation

Index

• func Download(url, saveDir string, rename ...string) error
• func GetScreenSize() (w int, h int)
• func RenderText(input string, data interface{}, fns template.FuncMap, isFile ...bool) string
• func ShellExec(cmdStr string, dirAndShell ...string) (string, error)
• func SimpleDownload(url, saveAs string) (err error)
• type Downloader
  • func (d *Downloader) Download() error

Functions

func Download

func Download(url, saveDir string, rename ...string) error

Download file from remote URL. from https://gist.github.com/albulescu/e61979cc852e4ee8f49c

func GetScreenSize

func GetScreenSize() (w int, h int)

GetScreenSize for current console terminal. TODO ...

func RenderText

func RenderText(input string, data interface{}, fns template.FuncMap, isFile ...bool) string

RenderText render text template with data

func ShellExec

func ShellExec(cmdStr string, dirAndShell ...string) (string, error)

ShellExec exec a CLI command by shell and return output. Usage:

ShellExec("ls -al")
ShellExec("ls -al", "/usr/lib")
ShellExec("ls -al", "/usr/lib", "/bin/zsh")

func SimpleDownload

func SimpleDownload(url, saveAs string) (err error)

SimpleDownload simple download

Types

type Downloader

type Downloader struct {
	FileURL  string
	SaveDir  string
	Filename string // save file name.
	Progress bool   // display progress info
	// contains filtered or unexported fields
}

Downloader struct definition. refer: https://gist.github.com/albulescu/e61979cc852e4ee8f49c

func (*Downloader) Download

func (d *Downloader) Download() error

Download begin