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2.1 URL¤Î½ñ¼°

URL¤Ï¡¤Uniform Resource Locator¤Îά¸ì¤Ç¤¹¡¥uniform resource locator¤Ï¥¤¥ó¥¿¡¼¥Í¥Ã¥È¤ÇÍøÍѲÄǽ¤Ê¥ê¥½¡¼¥¹¤ËÂФ¹¤ë¥³¥ó¥Ñ¥¯¥È¤Êʸ»úÎóɽ ¼¨¤Ç¤¹¡¥Wget¤ÏURL¹½Ê¸¤òRFC1738¤Ë½¾¤Ã¤ÆÍý²ò¤·¤Þ¤¹¡¥¤³¤ì¤Ï¡¤ºÇ ¤â¹­¤¯»ÈÍѤµ¤ì¤Æ¤¤¤ë·Á¼°¤Ç¤¹(³Ñ¥«¥Ã¥³¤Ï¥ª¥×¥·¥ç¥óÉôʬ¤ò°ÕÌ£¤·¤Þ¤¹)¡¥

http://host[:port]/directory/file
ftp://host[:port]/directory/file

¥æ¡¼¥¶Ì¾¤È¥Ñ¥¹¥ï¡¼¥É¤òURLÆâÉô¤ËÉ乿²½¤Ç¤­¤Þ¤¹¡¥

ftp://user:password@host/path
http://user:password@host/path

user¤Þ¤¿¤Ïpassword¤Î¤É¤Á¤é¤«¡¤¤Þ¤¿¤ÏξÊý¤È¤â̵¤¯¤Æ¤â¹½¤¤¤Þ ¤»¤ó¡¥HTTP¥æ¡¼¥¶Ì¾¤ä¥Ñ¥¹¥ï¡¼¥É¤Î¤É¤Á¤é¤«°ìÊý¤ò¾Ê¤¤¤Æ¤¤¤ë¾ì¹ç¡¤Ç§¾Ú ¤ÏÁ÷¤é¤ì¤Þ¤»¤ó¡¥FTP¥æ¡¼¥¶Ì¾¤ò¾Ê¤¤¤Æ¤¤¤ë¾ì¹ç¡¤‘anonymous’¤¬»È ÍѤµ¤ì¤Þ¤¹¡¥FTP¥Ñ¥¹¥ï¡¼¥É¤ò¾Ê¤¤¤Æ¤¤¤ë¾ì¹ç¡¤ÅŻҥ᡼¥ë¤Î¥¢¥É¥ì¥¹¤¬ ¥Ç¥Õ¥©¥ë¥È¥Ñ¥¹¥ï¡¼¥É¤È¤·¤ÆÄ󶡤µ¤ì¤Þ¤¹¡¥1

½ÅÍפÊÃí°Õ¡§¥³¥Þ¥ó¥É¥é¥¤¥ó¤Ç¥Ñ¥¹¥ï¡¼¥É¤ò´Þ¤àURL¤ò»ØÄꤷ¤¿ ¾ì¹ç¡¤¥æ¡¼¥¶Ì¾¤È¥Ñ¥¹¥ï¡¼¥É¤Ï¡¤ps¤ò»ÈÍѤ¹¤ë¤³¤È¤Ç¡¤¥·¥¹¥Æ¥à¾å¤Î¤¹ ¤Ù¤Æ¤Î¥æ¡¼¥¶¤¬¤½¤Î¤Þ¤Þ¸«¤¨¤ë¤³¤È¤Ë¤Ê¤ê¤Þ¤¹¡¥Ê£¿ô¤Î¥æ¡¼¥¶¤Î¥·¥¹¥Æ¥à¤Ç¤Ï¡¤ ¤³¤ì¤ÏÂ礭¤Ê¥»¥­¥å¥ê¥Æ¥£¾å¤ÎÌäÂê¤Ë¤Ê¤ê¤Þ¤¹¡¥¤½¤ì¤ò²óÈò¤¹¤ë¤¿¤á¤Ë wget -i -¤ò»ÈÍѤ·¡¤¤½¤ì¤¾¤ì¤òÊ̤ιԤˤ·¤ÆC-d¤Ç½ª¤ï¤ê¤Ë¤·¤¿ URL¤òWget¤Îɸ½àÆþÎϤËÍ¿¤¨¤Æ²¼¤µ¤¤

URL¤Ç¤Î°ÂÁ´¤Ç¤Ï¤Ê¤¤É乿²½¤Ï‘%xy’¤Ç²Äǽ¤Ç¡¤xy¤Ïʸ»ú¤Î ASCIIÃͤÎ16¿Ê¿ô¤Îɽ¸½¤Ç¤¹¡¥°ìÈÌŪ¤Ê°ÂÁ´¤Ç¤Ê¤¤Ê¸»ú¤Ï¡¤‘%’ (‘%25’¤È¤·¤Æ°úÍѤµ¤ì¤Þ¤¹)¡¤‘:’ (‘%3A’¤È¤·¤Æ°úÍѤµ¤ì¤Þ¤¹)¡¤ ¤½¤·¤Æ‘@’ (‘%40’¤È¤·¤Æ°úÍѤµ¤ì¤Þ¤¹)¤¬´Þ¤Þ¤ì¤Þ¤¹¡¥°ÂÁ´¤Ç¤Ê¤¤ ʸ»ú¤ÎÊñ³çŪ¤Ê¥ê¥¹¥È¤Ï¡¤RFC1738¤ò»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡¥

Wget¤Ï¡¤FTP URL¤ËÂФ¹¤ëtype¤Îµ¡Ç½¤â¥µ¥Ý¡¼¥È¤·¤Þ¤¹¡¥¥Ç ¥Õ¥©¥ë¥È¤Ç¡¤FTP¥É¥­¥å¥á¥ó¥È¤Ï¥Ð¥¤¥Ê¥ê¥â¡¼¥É¤Ç²ó¼ý(type ‘i’) ¤·¡¤¤½¤ì¤Ï¥À¥¦¥ó¥í¡¼¥É¤ÇÊѹ¹¤µ¤ì¤Ê¤¤¤³¤È¤ò°ÕÌ£¤·¤Þ¤¹¡¥¤½¤Î¾¤ÎÌò¤ËΩ¤Ä ¥â¡¼¥É¤Ï‘a’ (ASCII)¥â¡¼¥É¤Ç¡¤¤½¤ì¤Ï°Û¤Ê¤ë¥ª¥Ú¥ì¡¼¥Æ¥£¥ó¥°¥· ¥¹¥Æ¥à¤Î´Ö¤Ç¹Ô¤ÎʬΥʸ»ú¤òÊÑ´¹¤·¡¤¤½¤Î¤¿¤á¤½¤ì¤Ï¥Æ¥­¥¹¥È¥Õ¥¡¥¤¥ë¤ÇÌò¤Ë Ω¤Á¤Þ¤¹¡¥Îã¤Ï°Ê²¼¤Î¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡¥

ftp://host/directory/file;type=a

Îò»ËŪ(¥Ò¥¹¥Æ¥ê¥Ã¥¯?)¤ÊÍýͳ¤È¹­ÈϰϤǻÈÍѤµ¤ì¤Æ¤¤¤ë¤³¤È¤«¤é¡¤URL »ØÄê¤ÎÂåÂØ¤È¤Ê¤ëÊѼï¤â¥µ¥Ý¡¼¥È¤µ¤ì¤Æ¤¤¤Þ¤¹¡¥

FTP-only syntax (NcFTP¤Ç¥µ¥Ý¡¼¥È¤µ¤ì¤Þ¤·¤¿):

host:/dir/file

HTTP-only syntax (Netscape¤ÇƳÆþ¤µ¤ì¤Þ¤·¤¿):

host[:port]/dir/file

¤³¤ì¤éÆó¤Ä¤ÎÂåÂØ·Á¼°¤Ï¿ä¾©¤µ¤ì¤º¡¤¾­Íè¤Î¥µ¥Ý¡¼¥È¤Ï¤ä¤á¤ë¤«¤â¤·¤ì¤Þ¤»¤ó¡¥

¤³¤ì¤é¤Îɽµ­¤Î°ã¤¤¤òÍý²ò¤Ç¤­¤Ê¤«¤Ã¤¿¤ê¡¤¤½¤Î»È¤¤Êý¤òÃΤé¤Ê¤¤¾ì¹ç¡¤ Lynx¤äNetscape¤Î¤è¤¦¤Ê¹¥¤ß¤Î¥Ö¥é¥¦¥¶¤Ç»ÈÍѤ¹¤ë¥×¥ì¡¼¥ó¤Ê ÉáÄ̤νñ¼°¤ò»ÈÍѤ·¤Æ¤¯¤À¤µ¤¤¡¥


Footnotes

(1)

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