utils

func ExecCmd ¶

func ExecCmd(binName string, args []string, workDir ...string) (string, error)

ExecCmd a CLI bin file and return output. usage:

ExecCmd("ls", []string{"-al"})

func ExecCommand ¶

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

ExecCommand alias of the ShellExec

func GetCurShell ¶

func GetCurShell(onlyName bool) string

GetCurShell get current used shell env file. eg "/bin/zsh" "/bin/bash"

func GetKeyMaxLen ¶

func GetKeyMaxLen(kv map[string]interface{}, defLen int) (max int)

GetKeyMaxLen get key max length of the map usage:

utils.GetKeyMaxLen(map[string]string{"k1":"v1", "key2": "v2"}, 0)

func GetScreenSize ¶

func GetScreenSize() (w int, h int)

GetScreenSize for current console terminal

func Go ¶

func Go(f func() error) chan error

Go is a basic promise implementation: it wraps calls a function in a goroutine and returns a channel which will later return the function's return value. from beego/bee

func HasShellEnv ¶ added in v1.1.2

func HasShellEnv(shell string) bool

HasShellEnv check usage:

HasShellEnv("sh")
HasShellEnv("bash")

func IsConsole ¶

func IsConsole(out io.Writer) bool

IsConsole 判断 w 是否为 stderr、stdout、stdin 三者之一

func IsLinux ¶

func IsLinux() bool

IsLinux system env

func IsMSys ¶

func IsMSys() bool

IsMSys msys(MINGW64) 环境，不一定支持颜色

func IsMac ¶

func IsMac() bool

IsMac system env

func IsSupport256Color ¶

func IsSupport256Color() bool

IsSupport256Color for current CLI

func IsSupportColor ¶

func IsSupportColor() bool

IsSupportColor check console is support color. supported: linux, mac, or windows's ConEmu, Cmder, putty, git-bash.exe not support: windows cmd, powerShell

func IsWin ¶

func IsWin() bool

IsWin system env

func LcFirst ¶

func LcFirst(s string) string

LcFirst char for given string

func RenderTemplate ¶

func RenderTemplate(input string, data interface{}, isFile ...bool) string

RenderTemplate render text template with data

func ShellExec ¶ added in v1.1.2

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

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

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

func UcFirst ¶

func UcFirst(s string) string

UcFirst upper first char