stdbuf
v(uutils coreutils) 0.1.0
Options
--input=<MODE>,-i <MODE>- 
stdbuf-help-input
 --output=<MODE>,-o <MODE>- 
stdbuf-help-output
 --error=<MODE>,-e <MODE>- 
stdbuf-help-error
 
Examples
Change stdin buffer size to 512 KiB:
stdbuf {{[-i|--input]}} 512K {{command}}
Change stdout buffer to line-buffered:
stdbuf {{[-o|--output]}} L {{command}}
Change stderr buffer to unbuffered:
stdbuf {{[-e|--error]}} 0 {{command}}
The examples are provided by the tldr-pages project under the CC BY 4.0 License.
Please note that, as uutils is a work in progress, some examples might fail.