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✏️ 正在编辑: read-c.yaml
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/opt/alt/ruby18/share/ri/1.8/system/IO/read-c.yaml
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--- !ruby/object:RI::MethodDescription aliases: [] block_params: comment: - !ruby/struct:SM::Flow::P body: Opens the file, optionally seeks to the given offset, then returns <em>length</em> bytes (defaulting to the rest of the file). <tt>read</tt> ensures the file is closed before returning. - !ruby/struct:SM::Flow::VERB body: " IO.read("testfile") #=> "This is line one\\nThis is line two\\nThis is line three\\nAnd so on...\\n"\n IO.read("testfile", 20) #=> "This is line one\\nThi"\n IO.read("testfile", 20, 10) #=> "ne one\\nThis is line "\n" full_name: IO::read is_singleton: true name: read params: | IO.read(name, [length [, offset]] ) => string visibility: public
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