Solve the /bin/sh: 1: syntax error: "(" unexpected error, and the problem that cannot be solved by replacing bash

Solve the /bin/sh: 1: syntax error: "(" unexpected error, and the problem that cannot be solved by replacing bash

Reference article:

(1) Solve the /bin/sh: 1: syntax error: "(" unexpected error, and the problem that cannot be solved by replacing bash

（2） https://www.cnblogs.com/chujian1120/p/5888472.html

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