是否有可能在没有循环的情况下编写以下脚本?
IPv4_first=1.1.1.1
IPv4_second=2.2.2.2
IPv4_third=3.3.3.3
IPv4_all=()
for var in ${!IPv4_@}
do
IPv4_all+=(${!var})
done
printf "'%s'\n" "${IPv4_all[@]}"
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就像是:
IPv4_all=${!${!IPv4_@}}
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