Created
January 27, 2012 18:52
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ruby - moved grep from string method to enumerable
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ruby-1.8.7-p352 $ irb | |
1.8.7 :001 > thing = 'sometext' | |
=> "sometext" | |
1.8.7 :002 > thing.grep(/some/) | |
=> ["sometext"] | |
ruby-1.9.2-p290 $ irb | |
1.9.2p290 :001 > thing = 'sometext' | |
=> "sometext" | |
1.9.2p290 :002 > thing.grep(/some/) | |
NoMethodError: undefined method `grep' for "sometext":String | |
from (irb):2 | |
from /Users/michael/.rvm/rubies/ruby-1.9.2-p290/bin/irb:16:in `<main>' | |
1.9.2p290 :003 > thing.lines.grep(/some/) | |
=> ["sometext"] | |
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This has saved me just now as well.