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Improve godoc on Read and Exec

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This commit is contained in:
John Barton (joho) 2014-10-12 09:58:10 +11:00
parent b2cd7d822b
commit 1736a884e7
1 changed files with 13 additions and 0 deletions
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13
godotenv.go
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@ -46,6 +46,10 @@ func Load(filenames ...string) (err error) {
return return
} }
/*
Read all env (with same file loading semantics as Load) but return values as
a map rather than automatically writing values into env
*/
func Read(filenames ...string) (envMap map[string]string, err error) { func Read(filenames ...string) (envMap map[string]string, err error) {
filenames = filenamesOrDefault(filenames) filenames = filenamesOrDefault(filenames)
envMap = make(map[string]string) envMap = make(map[string]string)
@ -66,6 +70,15 @@ func Read(filenames ...string) (envMap map[string]string, err error) {
return return
} }
/*
Loads env vars from the specified filenames (empty map falls back to default)
then executes the cmd specified.
Simply hooks up os.Stdin/err/out to the command and calls Run()
If you want more fine grained control over your command it's recommended
that you use `Load()` or `Read()` and the `os/exec` package yourself.
*/
func Exec(filenames []string, cmd string, cmdArgs []string) error { func Exec(filenames []string, cmd string, cmdArgs []string) error {
Load(filenames...) Load(filenames...)