cleanups in isle #9

1 files changed, 22 insertions, 0 deletions

diff --git a/SetGlobal.go b/SetGlobal.go
new file mode 100644
index 0000000..f255dcd
--- /dev/null
+++ b/SetGlobal.go
@@ -0,0 +1,22 @@
+package ENV
+
+import "errors"
+
+func SetGlobal(global string, varname string, newValue string) error {
+	if envPB == nil {
+		return NotInitialized
+	}
+	saveMu.Lock()
+	defer saveMu.Unlock()
+	found := envPB.FindByVar(varname)
+	if found != nil {
+		return errors.New("already set")
+	}
+
+	newvar := new(Key)
+	newvar.Var = varname
+	newvar.Value = newValue
+	newvar.Global = global
+	envPB.Append(newvar)
+	return nil
+}