Error occured on MacOS

[tttturtle-russ]

machine: MacOS M1 silicon
shell: zsh
how to reproduce:

(base) ➜ ~ curl -sSfL https://mirrors.hust.edu.cn/get | sh -s -- install
sh: command substitution: line 403: syntax error near unexpected token `)'

[jingfelix]

It's a known problem, can be reproduced with zsh, dash or bash on macOS.

[EarthCompass]

老版本Bash的Here document碰到单个单引号有问题，使用bash 3.2.57可以复现。

test=$(cat <<EOF
1'2
EOF
)

echo $test