驗證網址tec.5lulu.com安全性

perl 文件讀寫 - 技術庫,技術研究與學習平台_以道禦術

例: unless (open(INFILE, "infile")) { die ("Input file infile cannot be opened.\n"); } if (-e "outfile") { die ("Output file outfile already exists.\n"); } unless (open(OUTFILE, ">outfile")) { die ("Output file outfile cannot be opened.\n"); } ...

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