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UNIX in a Nutshell: System V Edition

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The Bourne Shell and Korn Shell
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Korn shell only. Same as in the Bourne shell, except that the Korn shell version supports the options below as well as the ? syntax for prompting. If a variable is followed by ? string , then string is displayed as a user prompt. If no variables are given, input is stored in the REPLY variable.



Read from the output of a |& coprocess.


Raw mode; ignore \ as a line continuation character.


Save input as a command in the history file.

-u[ n ]

Read input from file descriptor n (default is 0).


Prompt yourself to enter two temperatures:


read n1?"High low: " n2

High low: 

65 33

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