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¡¡¡¡£±£±. pack (¥Ñ¥Ã¥¯) / unpack (8 ¿Ê¢ª10 ¿Ê)

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¡¡1.pack

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$ans = pack("cccc",65,66,67,68); # ʸ»ú "65" ¤ò ¥Ñ¥Ã¥¯¤¹¤ë¤È # hex(65)="A" # ƱÍͤˡ¢·ë²Ì¤Ï¡¢$ans = "ABCD"


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¡¡2.unpack

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