env

szabgab · Jul 7, 2021 · 2d75e75 · 2d75e75
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diff --git a/crystal/examples/other/env.cr b/crystal/examples/other/env.cr
@@ -0,0 +1,3 @@
+ENV.keys.sort.each {|key|
+  puts "%-25s %s" % {key, ENV[key]}
+}
diff --git a/crystal/other.md b/crystal/other.md
@@ -218,6 +218,13 @@ require "some_name"         # Find it somewhere (standard library, src directory
 
 All the elements of an array "inherit" the type from the array
 
+## Environment variables
+{id: envriornment-variables}
+{i: ENV}
+
+![](examples/other/env.cr)
+
+
 ## Int32 or Nil
 {id: int32-or-nil}