Stdbuf

버퍼링 없이 stdout redirect

Example

stdbuf -i0 -o0 -e0 time python analysis.py | tee output.log

이렇게 하면 pipe 의 buffer가 0 이 되면서 바로바로 output 이 찍힌다.

Text	Common	grep, sed, awk, cat, xargs, rev, tee, ack, tr, stdbuf
Diff	diff, patch
Cutting	cut, head, tail, less, more, split, watch
Sort	uniq, sort
Hash	base64, md5sum, sha1sum, sha224sum, sha256sum, sha384sum, sha512sum
Clipboard	clip (Windows), pbcopy (Mac OSX), pbpaste (Mac OSX), xclip (Debian)
E.T.C	regexp, parallel