From: Greg.mpls@... Date: 2018-10-04T00:57:22+00:00 Subject: [ruby-core:89271] [Ruby trunk Bug#15199] scanf.rb broken with io from IO.pipe Issue #15199 has been reported by MSP-Greg (Greg L). ---------------------------------------- Bug #15199: scanf.rb broken with io from IO.pipe https://bugs.ruby-lang.org/issues/15199 * Author: MSP-Greg (Greg L) * Status: Open * Priority: Normal * Assignee: * Target version: * ruby -v: * Backport: 2.3: UNKNOWN, 2.4: UNKNOWN, 2.5: UNKNOWN ---------------------------------------- scanf.rb seems to be broken when using an io from a pipe. The following code is used in IO#scanf: link: https://github.com/ruby/ruby/blob/d4b0efc010a45e904ecdad2dd74374b5c74e61e3/lib/scanf.rb#L661-L664 ```ruby begin seek(start_position + matched_so_far, IO::SEEK_SET) rescue Errno::ESPIPE end ``` if the rescue statement is replaced with: ``` rescue Errno::ESPIPE, Errno::EINVAL ``` It seems to work. I assume at some point, a 'pipe' io raised an Errno::ESPIPE error when called with #seek, but trunk & 2.3 respond with Errno::EINVAL... -- https://bugs.ruby-lang.org/ Unsubscribe: