GNU/Linux man pages
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GNU/Linux |
RedHat 5.2(Apollo) |
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unbuffer(1) |
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unbuffer − unbuffer output
unbuffer program [ args ]
unbuffer disables the output buffering that occurs when program output is redirected. For example, suppose you are watching the output from a fifo by running it through od and then more.
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od -c /tmp/fifo | more |
You will not see anything until a full page of output has been produced.
You can disable this automatic buffering as follows:
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unbuffer od -c /tmp/fifo | more |
The man page is longer than the program.
"Exploring Expect: A Tcl-Based Toolkit for Automating Interactive Programs" by Don Libes, O’Reilly and Associates, January 1995.
Don Libes, National Institute of Standards and Technology
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unbuffer(1) | |