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main: add envAsMap, in symmetry with envAsSlice

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This commit is contained in:
Cheer Xiao 2013-09-18 17:54:32 +08:00
parent ca3294d42f
commit eca1bbca1f
1 changed files with 12 additions and 7 deletions
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19
main/main.go
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@ -65,6 +65,17 @@ func envAsSlice(env map[string]string) (s []string) {
return
}
func envAsMap(env []string) (m map[string]string) {
m = make(map[string]string)
for _, e := range env {
arr := strings.SplitN(e, "=", 2)
if len(arr) == 2 {
m[arr[0]] = arr[1]
}
}
return
}
func evalTerm(n parse.Node) string {
return n.(*parse.StringNode).Text
}
@ -78,13 +89,7 @@ func evalCommandArgs(n *parse.CommandNode) (args []string) {
}
func main() {
env = make(map[string]string)
for _, e := range os.Environ() {
arr := strings.SplitN(e, "=", 2)
if len(arr) == 2 {
env[arr[0]] = arr[1]
}
}
env := envAsMap(os.Environ())
path_var, ok := env["PATH"]
if ok {