implement 'symbols'

1 files changed, 15 insertions, 0 deletions

diff --git a/interpreter.py b/interpreter.py
index 3cbd2cd..2408db4 100644
--- a/interpreter.py
+++ b/interpreter.py
@@ -802,3 +802,18 @@ def interpretHowTo(symbol, args, env):
     return List([])
 
 GLOBALS.register("howto", Builtin(interpretHowTo, [Arg("symbol", TypeEnum.ANY, False, True)]))
+
+def interpretSymbols(symbol, args, env):
+    keys = list(env.environment.keys())
+    keys.sort()
+    out = ""
+    for idx, key in enumerate(keys):
+        if idx % 6 == 0:
+            print(out)
+            out = f"{key}"
+        else:
+            out = f"{out} {key}"
+    print(out)
+    return List([])
+
+GLOBALS.register("symbols", Builtin(interpretSymbols, []))