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並前往https://superuser.com/questions/461981/how-do-i-convert-a-bash-array-variable-to-a-string-delimited-with-newlines/462400

How do I convert a bash array variable to a string delimited ...

Here's a way that utilizes bash parameter expansion and its IFS special variable. $ System=('s1' 's2' 's3' 's4 4 4') $ ( IFS=$'\n'; echo "${System[*]}" ).

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