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在输入中删除每个'('一直到下一个')'的内容$ echo 'a/b(division) + c%d() - (a#(b)2(' | awk '____________________'a/b + c%d - 2(

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在输入中删除每个'('一直到下一个')'的内容，在下一个')'之前遇到'('则停止删除$ echo 'a/b(division) + c%d() - (a#(b)2(' | awk '____________________'a/b + c%d - (a#2(

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