From 5b3c5b37dc1f2b402719e2e5bb208fab6844252c Mon Sep 17 00:00:00 2001
From: Cybjit <cybjit@gmail.com>
Date: Tue, 18 Nov 2014 16:26:12 -0600
Subject: [PATCH] showfields: complain about sets

---
 smem | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/smem b/smem
index de221df..c692f73 100755
--- a/smem
+++ b/smem
@@ -463,7 +463,9 @@ def showsystem():
     showtable(range(len(l)), fields, columns.split(), options.sort or 'order')
 
 def showfields(fields, f):
-    if f != list:
+    if type(f) in (list, set):
+        print "unknown fields:", " ".join(f)
+    else:
         print "unknown field", f
     print "known fields:"
     for l in sorted(fields.keys()):
@@ -486,11 +488,12 @@ def showtable(rows, fields, columns, sort):
     mt = totalmem()
     st = memory()['swaptotal']
 
-    for n in columns:
-        if n not in fields:
-            showfields(fields, n)
-            sys.exit(-1)
+    missing = set(columns) - set(fields)
+    if len(missing) > 0:
+        showfields(fields, missing)
+        sys.exit(-1)
 
+    for n in columns:
         f = fields[n][2]
         if 'a' in f:
             if n == 'swap':