mirror of
https://github.com/go-sylixos/elvish.git
synced 2024-12-05 03:17:50 +08:00
25 lines
474 B
Go
25 lines
474 B
Go
package eval
|
|
|
|
import "os"
|
|
|
|
// PwdVariable is a variable whose value always reflects the current working
|
|
// directory. Setting it changes the current working directory.
|
|
type PwdVariable struct{}
|
|
|
|
var _ Variable = PwdVariable{}
|
|
|
|
func (PwdVariable) Get() Value {
|
|
pwd, err := os.Getwd()
|
|
maybeThrow(err)
|
|
return String(pwd)
|
|
}
|
|
|
|
func (PwdVariable) Set(v Value) {
|
|
path, ok := v.(String)
|
|
if !ok {
|
|
throw(ErrPathMustBeString)
|
|
}
|
|
err := os.Chdir(string(path))
|
|
maybeThrow(err)
|
|
}
|