tasks a-s

Task/Environment-variables/Go/environment-variables-1.go

@@ -0,0 +1,10 @@
+package main
+
+import (
+    "fmt"
+    "os"
+)
+
+func main() {
+    fmt.Println(os.Getenv("SHELL"))
+}

Task/Environment-variables/Go/environment-variables-2.go

@@ -0,0 +1,19 @@
+package main
+
+import (
+    "fmt"
+    "os"
+    "strings"
+)
+
+func main() {
+    s := "SHELL"
+    se := s + "="
+    for _, v := range os.Environ() {
+        if strings.HasPrefix(v, se) {
+            fmt.Println(s, "has value", v[len(se):])
+            return
+        }
+    }
+    fmt.Println(s, "not found")
+}