IO.read and IO.readlines do not take a block
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Key: JRUBY-3204
URL: http://jira.codehaus.org/browse/JRUBY-3204
Project: JRuby
Issue Type: Bug
Components: Core Classes/Modules
Affects Versions: JRuby 1.1.5
Reporter: John Fremlin
Attachments: jruby-20081201-read-does-not-take-a-block.patch
puts IO.read(__FILE__) { "fail" }
should ignore the fail. It does not and instead raises an exception because for
some insane reason the block is passed to IO.open.
The attached patch fixes the problem but needs to be cleaned up.
The error message given is this
org.jruby.RubyIO:2801:in `read': java.lang.ClassCastException:
org.jruby.RubyString cannot be cast to org.jruby.RubyIO
from org.jruby.RubyIO$s_method_multi$RUBYINVOKER$read:-1:in `call'
from org.jruby.runtime.callsite.CachingCallSite:290:in `cacheAndCall'
from org.jruby.runtime.callsite.CachingCallSite:141:in `callIter'
from read_minus_block_minus_test:1:in `__file__'
from read_minus_block_minus_test:-1:in `__file__'
from read_minus_block_minus_test:-1:in `load'
from org.jruby.Ruby:560:in `runScript'
from org.jruby.Ruby:463:in `runNormally'
from org.jruby.Ruby:337:in `runFromMain'
from org.jruby.Main:214:in `run'
from org.jruby.Main:100:in `run'
from org.jruby.Main:84:in `main'
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