Help us understand the problem. What is going on with this article?

[printf]bashでprintfを使う(小数点以下で四捨五入)

More than 5 years have passed since last update.
read a 
printf '%.3f \n' `echo $a | bc -l `

入力された計算式(例えば-105+50*3/20 + (19^2)/7みたいな)を計算して小数点以下3桁まで四捨五入して表示したい時のスクリプト。

penguin_dream
フロントエンド(主にjavascript)、プログラミング、インフラ構築、インフラ運用、CIなどのメモ。
Why not register and get more from Qiita?
  1. We will deliver articles that match you
    By following users and tags, you can catch up information on technical fields that you are interested in as a whole
  2. you can read useful information later efficiently
    By "stocking" the articles you like, you can search right away