envutil

func Environ ¶ added in v0.3.13

func Environ() map[string]string

Environ like os.Environ, but will returns key-value map[string]string data.

func GetBool ¶ added in v0.5.2

func GetBool(name string, def ...bool) bool

GetBool get bool ENV value by key name, can with default value

func GetInt ¶ added in v0.5.2

func GetInt(name string, def ...int) int

GetInt get int ENV value by key name, can with default value

func Getenv ¶ added in v0.1.7

func Getenv(name string, def ...string) string

Getenv get ENV value by key name, can with default value

func HasShellEnv ¶

func HasShellEnv(shell string) bool

HasShellEnv has shell env check. Usage:

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

func IsConsole ¶

func IsConsole(out io.Writer) bool

IsConsole check out is console env. alias of the sysutil.IsConsole()

func IsLinux ¶

func IsLinux() bool

IsLinux system

func IsMSys ¶

func IsMSys() bool

IsMSys msys(MINGW64) env. alias of the sysutil.IsMSys()

func IsMac ¶

func IsMac() bool

IsMac system

func IsSupport256Color ¶

func IsSupport256Color() bool

IsSupport256Color render

func IsSupportColor ¶

func IsSupportColor() bool

IsSupportColor check current console is support color.

Supported:

linux, mac, or windows's ConEmu, Cmder, putty, git-bash.exe

Not support:

windows cmd.exe, powerShell.exe

func IsSupportTrueColor ¶ added in v0.2.5

func IsSupportTrueColor() bool

IsSupportTrueColor render. IsSupportRGBColor

func IsTerminal ¶ added in v0.3.10

func IsTerminal(fd uintptr) bool

IsTerminal isatty check

Usage:

envutil.IsTerminal(os.Stdout.Fd())

func IsWSL ¶ added in v0.3.10

func IsWSL() bool

IsWSL system env https://github.com/Microsoft/WSL/issues/423#issuecomment-221627364

func IsWin ¶

func IsWin() bool

IsWin system. linux windows darwin

func IsWindows ¶ added in v0.3.10

func IsWindows() bool

IsWindows system. alias of IsWin

func ParseEnvValue ¶ added in v0.1.7

func ParseEnvValue(str string) string

ParseEnvValue alias of the ParseValue

func ParseValue ¶ added in v0.5.2

func ParseValue(val string) (newVal string)

ParseValue parse ENV var value from input string, support default value. vars like ${var}, ${var| default}

Usage:

envutil.ParseValue()

func StdIsTerminal ¶ added in v0.3.11

func StdIsTerminal() bool

StdIsTerminal os.Stdout is terminal

func VarParse ¶ added in v0.3.11

func VarParse(str string) string

VarParse alias of the ParseValue

func VarReplace ¶ added in v0.3.11

func VarReplace(s string) string

VarReplace replaces ${var} or $var in the string according to the values. is alias of the os.ExpandEnv()