check if proc entry is a directory

readme
2022-08-11 11:24:17 +02:00 · 2022-08-11 11:23:56 +02:00
2 changed files with 8 additions and 2 deletions
--- a/README.md
+++ b/README.md
@ -1 +1,7 @@
 https://stackoverflow.com/a/63373815
+
+# test
+
+```
+PROCIO_DIR=test crystal procio.cr
+```
--- a/procio.cr
+++ b/procio.cr
@ -1,9 +1,9 @@
-dir = ENV.fetch("PROCIO_DIR", "/proc")
+dir = Path[ENV.fetch("PROCIO_DIR", "/proc")]
 result = {} of String => Array(UInt64)
 time = Time.local.to_s("%s%9N")

 Dir.entries(dir).each do |entry|
-  entry =~ /^\d+$/ || next 
+  next unless (entry =~ /^\d+$/) && File.directory?(dir/entry)

  begin
    comm = File.read("#{dir}/#{entry}/comm").chomp
Author	SHA1	Message	Date
mwiegand	f131b368e8	check if proc entry is a directory	2022-08-11 11:24:17 +02:00
mwiegand	ac93b4f785	readme	2022-08-11 11:23:56 +02:00