perl 调用rm -rf 递归删除指定文件夹，提示 can not remove: not empty 缘由

my $dir = "/root/syn/Design/test.txt";test open $fh_dir, "> $dir " or die"$!";perl chdir "/root/syn/" or die "$!";注释 system "rm -rf Design";di 句柄锁定了该目录，所以perl不会再容许对该目录进行删除，避免引发冲突 my $dir = "/root/syn/

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