기록, 정리 조각

How do I sleep for a millisecond in bash or ksh

sleep is a very popular command and we can start sleep from 1 second: # wait one second please sleep 1 but what the alternative if I need to wait only 0.1 second or between 0.1 to 1 second ? re...

serverfault.com

set -e and set -x - Julio Merino

set -x: If you are writing simple scripts that are meant to, well, script the execution of a few tasks (as opposed of being full-flown programs written in shell), set this flag to trace the execution of all commands. This will make the interpreter print ea

julio.meroh.net

Shell readability: strict mode - Julio Merino

Use the Unofficial Bash Strict Mode (Unless You Looove Debugging): While writing this article, I came across this one. At first sight I thought: “hey, this covers exactly what I wanted to describe so no need for me to post!”. But I changed my mind. First,

julio.meroh.net