“These comments are very expensive because each of them creates a subshell. That makes the technique unusable in some circumstances. A much cheaper, if less readable, alternative that uses the same basic idea is: echo CommandName InputFiles ${IFS# 1st comment} --option1 arg1 ${IFS# 2nd comment} --
How to put a line comment for a multi-line command
知っているようで知らない糖質のこと！ ② | 健康管理能力検定 文部科学省後援
