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シェルスクリプトで必須オプションが入力されていなければ処理を終了する書き方。
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| #!/bin/bash | |
| set -eu | |
| function lack_of_necessary_param() { | |
| echo "-aオプションは必須オプションです。-aオプションを必ず使用してください。" | |
| exit 1 | |
| } | |
| IS_THERE_NECESSARY_OPT=false | |
| # オプションを取得する | |
| while getopts a:b: OPT | |
| do | |
| case $OPT in | |
| a ) | |
| IS_THERE_NECESSARY_OPT=true | |
| echo $OPTARG | |
| ;; | |
| b ) | |
| echo $OPTARG | |
| ;; | |
| esac | |
| done | |
| if [ "${IS_THERE_NECESSARY_OPT}" != true ]; then | |
| lack_of_necessary_param | |
| fi; |
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typo
necessaly→necessaryhttps://gist.github.com/ktanaka117/8bfe5d410495819e4f4333729c9a1726#file-necessary_option-sh-L27