doc update

This commit is contained in:
rigel rozanski 2017-06-07 05:05:11 -04:00
parent 33d0dd0bfc
commit 94c0172618
1 changed files with 4 additions and 3 deletions

View File

@ -54,9 +54,10 @@ func RunWithArgs(cmd Executable, args []string, env map[string]string) error {
return cmd.Execute()
}
// RunCaptureWithArgs executes the given command with the specified command line args
// and environmental variables set. It returns whatever was writen to
// stdout along with any error returned from cmd.Execute()
// RunCaptureWithArgs executes the given command with the specified command
// line args and environmental variables set. It returns string fields
// representing output written to stdout and stderr, additionally any error
// from cmd.Execute() is also returned
func RunCaptureWithArgs(cmd Executable, args []string, env map[string]string) (stdout, stderr string, err error) {
oldout, olderr := os.Stdout, os.Stderr // keep backup of the real stdout
rOut, wOut, _ := os.Pipe()