Since marks of punctuation ordinarily are used in written correspondence and their omission may affect the sense of your communication, care must be exercised in the construction of a message from which they are to be excluded. If you do not intend to stipulate that marks of punctuation be transmitted, write your message without punctuation and read it carefully to make sure that it is not ambiguous. If it seems impossible to convey your meaning clearly without the use of punctuation, use may be made of the celebrated word "stop," which is known the world over as the official telegraphic or cable word for "period. Use of this word in telegraphic communications was greatly increased during the World War, when the Government employed it widely as a precaution against having messages garbled or misunderstood, as a result of the misplacement or emission of the tiny dot or period.
External encoding for the IO. If the value is nil no conversion occurs. Also opt can have same keys in String encode for controlling conversion between the external encoding and the internal encoding.
If the optional code block is given, it will be passed io as an argument, and the IO object will automatically be closed when the block terminates. If a block is given, the block is called and returns the value of the block.
Not available on all platforms. If an encoding encoding name or encoding object is specified as an optional argument, read string from pipe is tagged with the encoding specified.
If two optional arguments are specified, those must be encoding objects or encoding names, and the first one is the external encoding, and the second one is the internal encoding. If the external encoding and the internal encoding is specified, optional hash argument specify the conversion option.
In the example below, the two processes close the ends of the pipe that they are not using. This is not just a cosmetic nicety.
The read end of a pipe will not generate an end of file condition if there are any writers with the pipe still open. In the case of the parent process, the rd. Sending message to parent Parent got: The PID of the started process can be obtained by pid method.
If cmd is an Array of String, then it will be used as the subprocess's argv bypassing a shell. The array can contains a hash at first for environments and a hash at last for options similar to spawn. The last argument opt qualifies mode. See the document of Kernel. If a block is given, Ruby will run the command as a child connected to Ruby with a pipe.
Ruby's end of the pipe will be passed as a parameter to the block. In this case IO.Blogging is a battle. A war to get your ideas the attention they deserve. Your enemy? The dizzying array of online distractions that devour your readers.
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'Phrases_need_underscores'. You can refer to people by calling them Mr . Edit Article How to Write a Complaint Letter to a Company.
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