something to act like bash ENV

1 files changed, 51 insertions, 0 deletions

diff --git a/formatENV.go b/formatENV.go
new file mode 100644
index 0000000..0d1efc3
--- /dev/null
+++ b/formatENV.go
@@ -0,0 +1,51 @@
+package ENV
+
+import (
+	"errors"
+	"fmt"
+	"strings"
+
+	"go.wit.com/log"
+)
+
+func formatENV() (string, error) {
+	if envPB == nil {
+		return "", errors.New("envPB not initialized")
+	}
+
+	var out string
+	uniques := make(map[string]*Key) // check to make sure there are no duplicate entries
+
+	for c := range envPB.IterAll() {
+		key := strings.ToLower(c.Var)
+		if len(strings.Fields(key)) != 1 {
+			log.Info("dropping invalid key = ", c.Var, "value =", c.Value)
+			continue
+		}
+		found := findByLower(key)
+		if found == nil {
+			log.Info("findByKey() got nil for key:", key)
+		}
+		// todo: warn about duplicates?
+		uniques[key] = found
+	}
+
+	for key, c := range uniques {
+		if c == nil {
+			log.Info("key has nil c", key)
+			continue
+		}
+		line := fmt.Sprintf("%s=%s", c.Var, c.Value)
+		out += line + "\n"
+	}
+	return out, nil
+}
+
+func findByLower(lookingFor string) *Key {
+	for c := range envPB.IterAll() {
+		if strings.ToLower(c.Var) == strings.ToLower(lookingFor) {
+			return c
+		}
+	}
+	return nil
+}