- UNIX & Linux コマンド・シェルスクリプト リファレンス -- http://www.geocities.jp/geo_sunisland/ * ノウハウ [#n64be415] - Tips: 実行中のシェルスクリプトを書きかえるときには -- https://qiita.com/kitsuyui/items/d0048eeaa50293a92a60 - The first two statements of your BASH script should be… -- https://ashishb.net/all/the-first-two-statements-of-your-bash-script-should-be/ !/usr/bin/env bash set -euo pipefail > “set -e” which ensures that your script stops on first command failure. By default, when a command fails, BASH executes the next command. Looking at the logs, you might feel that the script executed successfully while some commands might have failed. Caveat: Be careful about applying it to existing scripts. > “set -u” which ensures that your script exits on the first unset variable encountered. Otherwise, bash replaces the unset variables with empty default values. > “set -o pipefail” which ensures that if any command in a set of piped commands failed, the overall exit status is the status of the failed command. Othe |