UNBUFFER(1) USER COMMANDS 1 June 1994
unbuffer - unbuffer output
unbuffer program [ args ]
unbuffer disables the output buffering that occurs when pro-
gram output is redirected. For example, suppose you are
watching the output from a fifo by running it through od and
od -c /tmp/fifo | more
You will not see anything until a full page of output has
You can disable this automatic buffering as follows:
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,
Don Libes, National Institute of Standards and Technology
Prepared by Ready-to-Run Software, Inc.