Read all of stderr.

Author: dblock

.rubocop_todo.yml

@@ -1,6 +1,6 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config`
-# on 2025-10-01 13:23:05 UTC using RuboCop version 1.81.1.
+# on 2025-10-01 13:39:51 UTC using RuboCop version 1.81.1.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new

slack-api-explorer/commands/slack.rb

@@ -12,7 +12,7 @@ def self.call(client, data, match)
         logger.info "SLACK: #{client.owner} - #{expression}"
         args, pipe = Shellwords.parse(expression)
         execute(client, args) do |output, error|
-          if error
+          if error && !error.blank?
             client.say(channel: data.channel, text: "```\n#{error}```")
           else
             output = pipe ? JsonPath.on(output, pipe) : JSON.parse(output)
@@ -31,7 +31,7 @@ def self.execute(client, args)
           client.owner.token,
           args
         ].flatten) do |_, stdout, stderr, _|
-          yield stdout.read.try(:strip), stderr.gets.try(:strip)
+          yield stdout.read&.strip, stderr.read&.strip
         end
       end
     end