From e2aac0d7ea5ddec0458058717ef3017f72d98363 Mon Sep 17 00:00:00 2001
From: mwiegand <mwiegand@seibert-media.net>
Date: Wed, 17 Nov 2021 16:20:25 +0100
Subject: [PATCH] wip

---
 procio.cr | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/procio.cr b/procio.cr
index 5d65712..6473a44 100644
--- a/procio.cr
+++ b/procio.cr
@@ -5,15 +5,18 @@ time = Time.local.to_s("%s%9N")
 Dir.entries(dir).each do |entry|
   entry =~ /^\d+$/ || next 
 
-  comm = File.read("#{dir}/#{entry}/comm").chomp
-  result[comm] ||= [0.to_u64, 0.to_u64]
+  begin
+    comm = File.read("#{dir}/#{entry}/comm").chomp
+    result[comm] ||= [0.to_u64, 0.to_u64]
 
-  File.read_lines("#{dir}/#{entry}/io").each do |line|
-    if line.starts_with?("read_bytes: ")
-      result[comm][0] += line.split(" ").last.to_u64
-    elsif line.starts_with?("write_bytes: ")
-      result[comm][1] += line.split(" ").last.to_u64
+    File.read_lines("#{dir}/#{entry}/io").each do |line|
+      if line.starts_with?("read_bytes: ")
+        result[comm][0] += line.split(" ").last.to_u64
+      elsif line.starts_with?("write_bytes: ")
+        result[comm][1] += line.split(" ").last.to_u64
+      end
     end
+  rescue File::NotFoundError
   end
 end