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4.8 Lisp¤ÎÂçʸ»ú¾®Ê¸»úÊÑ´¹

Âçʸ»ú¾®Ê¸»úÊÑ´¹´Ø¿ô¤Ï¡¢1ʸ»ú¤äʸ»úÎóÆâ¤ÎÂçʸ»ú¾®Ê¸»ú¤òÊѹ¹¤·¤Þ¤¹¡£ ´Ø¿ô¤Ï¡¢Ä̾¥¢¥ë¥Õ¥¡¥Ù¥Ã¥Èʸ»ú ¡ÊÈóASCIIʸ»ú¤Î¥¢¥ë¥Õ¥¡¥Ù¥Ã¥È¤Ë²Ã¤¨¤Æ¡¢ ‘A’¤«¤é‘Z’¤È‘a’¤«¤é‘z’¡Ë¤À¤±¤òÊÑ´¹¤·¤Þ¤¹¡£ ¤½¤ì°Ê³°¤Îʸ»ú¤ÏÊѤï¤ê¤Þ¤»¤ó¡£ ¡ÊÂçʸ»ú¾®Ê¸»ú¥Æ¡¼¥Ö¥ë¤ò»ØÄꤷ¤Æ°Û¤Ê¤ëÂçʸ»ú¾®Ê¸»úÊÑ´¹¤ò»ØÄê¤Ç¤­¤ë¡£ see Case Tables¡Ë

¤³¤ì¤é¤Î´Ø¿ô¤Ï¡¢°ú¿ô¤È¤·¤ÆÅϤ·¤¿Ê¸»úÎó¤ÏÊѹ¹¤·¤Þ¤»¤ó¡£

°Ê²¼¤ÎÎã¤Ç¤Ï¡¢Ê¸»ú‘X’¤È‘x’¤ò»È¤¤¤Þ¤¹¡£ ASCII¥³¡¼¥É¤Ï¡¢¤½¤ì¤¾¤ì¡¢88¤È120¤Ç¤¹¡£

Function: downcase string-or-char

¤³¤Î´Ø¿ô¤Ï¡¢Ê¸»ú¤äʸ»úÎó¤ò¾®Ê¸»ú¤ËÊÑ´¹¤¹¤ë¡£

downcase¤Î°ú¿ô¤¬Ê¸»úÎó¤Ç¤¢¤ë¤È¡¢ ¤³¤Î´Ø¿ô¤Ï¡¢°ú¿ô¤Î³ÆÊ¸»ú¤ÎÂçʸ»ú¤ò¾®Ê¸»ú¤ËÊÑ´¹¤·¤¿¿·¤¿¤Êʸ»úÎó¤òºîÀ®¤¹¤ë¡£ downcase¤Î°ú¿ô¤¬Ê¸»ú¤Ç¤¢¤ë¤È¡¢ downcase¤ÏÂбþ¤¹¤ë¾®Ê¸»ú¤òÊÖ¤¹¡£ ¤³¤ÎÃͤÏÀ°¿ô¤Ç¤¢¤ë¡£ ¤â¤È¤Îʸ»ú¤¬¾®Ê¸»ú¤Ç¤¢¤Ã¤¿¤ê¥¢¥ë¥Õ¥¡¥Ù¥Ã¥Èʸ»ú¤Ç¤Ê¤±¤ì¤Ð¡¢ ÃͤϤâ¤È¤Îʸ»ú¤ËÅù¤·¤¤¡£

(downcase "The cat in the hat")
     ⇒ "the cat in the hat"

(downcase ?X)
     ⇒ 120
Function: upcase string-or-char

¤³¤Î´Ø¿ô¤Ï¡¢Ê¸»ú¤äʸ»úÎó¤òÂçʸ»ú¤ËÊÑ´¹¤¹¤ë¡£

upcase¤Î°ú¿ô¤¬Ê¸»úÎó¤Ç¤¢¤ë¤È¡¢ ¤³¤Î´Ø¿ô¤Ï¡¢°ú¿ô¤Î³ÆÊ¸»ú¤Î¾®Ê¸»ú¤òÂçʸ»ú¤ËÊÑ´¹¤·¤¿¿·¤¿¤Êʸ»úÎó¤òºîÀ®¤¹¤ë¡£

upcase¤Î°ú¿ô¤¬Ê¸»ú¤Ç¤¢¤ë¤È¡¢ upcase¤ÏÂбþ¤¹¤ëÂçʸ»ú¤òÊÖ¤¹¡£ ¤³¤ÎÃͤÏÀ°¿ô¤Ç¤¢¤ë¡£ ¤â¤È¤Îʸ»ú¤¬Âçʸ»ú¤Ç¤¢¤Ã¤¿¤ê¥¢¥ë¥Õ¥¡¥Ù¥Ã¥Èʸ»ú¤Ç¤Ê¤±¤ì¤Ð¡¢ ÃͤϤâ¤È¤Îʸ»ú¤ËÅù¤·¤¤¡£

(upcase "The cat in the hat")
     ⇒ "THE CAT IN THE HAT"

(upcase ?x)
     ⇒ 88
Function: capitalize string-or-char

¤³¤Î´Ø¿ô¤Ï¡¢Ê¸»úÎó¤äʸ»ú¤ò¥­¥ã¥Ô¥¿¥é¥¤¥º¡ÊÀèÆ¬Ê¸»ú¤À¤±¤òÂçʸ»ú¤Ë¡Ë¤¹¤ë¡£ string-or-char¤¬Ê¸»úÎó¤Ê¤é¤Ð¡¢ ¤³¤Î´Ø¿ô¤Ï¡¢string-or-char¤Î¥³¥Ô¡¼¤Î³ÆÃ±¸ì¤ò¥­¥ã¥Ô¥¿¥é¥¤¥º¤·¤¿¤â¤Î¤ò ÆâÍÆ¤È¤¹¤ë¿·¤¿¤Êʸ»úÎó¤òºîÀ®¤·¤ÆÊÖ¤¹¡£ ¤Ä¤Þ¤ê¡¢³ÆÃ±¸ì¤ÎÀèÆ¬Ê¸»ú¤À¤±¤òÂçʸ»ú¤Ë¤·¤Æ»Ä¤ê¤ò¾®Ê¸»ú¤Ë¤¹¤ë¡£

ñ¸ì¤ÎÄêµÁ¤Ï¡¢¸½ºß¤Î¹½Ê¸¥Æ¡¼¥Ö¥ë¡ÊSee Syntax Class Table¡Ë¤Ë¤ª¤¤¤Æ ñ¸ì¹½À®Ê¸»ú¤ËʬÎव¤ì¤¿Ê¸»ú¤¬Ï¢Â³¤·¤¿Îó¤Ç¤¢¤ë¡£

capitalize¤Î°ú¿ô¤¬Ê¸»ú¤Î¾ì¹ç¤Ë¤Ï¡¢ capitalize¤Ïupcase¤Î·ë²Ì¤ÈƱ¤¸¤Ç¤¢¤ë¡£

(capitalize "The cat in the hat")
     ⇒ "The Cat In The Hat"

(capitalize "THE 77TH-HATTED CAT")
     ⇒ "The 77th-Hatted Cat"

(capitalize ?x)
     ⇒ 88
Function: upcase-initials string

¤³¤Î´Ø¿ô¤Ï¡¢stringÆâ¤Îñ¸ì¤ÎÀèÆ¬Ê¸»ú¤À¤±¤òÂçʸ»ú¤Ë¤·¡¢ ÀèÆ¬Ê¸»ú°Ê³°¤Îʸ»ú¤ÏÊѹ¹¤·¤Ê¤¤¡£ ¤³¤Î´Ø¿ô¤Ï¡¢string¤Î¥³¥Ô¡¼¤Î³ÆÃ±¸ì¤ÎÀèÆ¬Ê¸»ú¤òÂçʸ»ú¤ËÊÑ´¹¤·¤¿¤â¤Î¤ò ÆâÍÆ¤È¤¹¤ë¿·¤¿¤Êʸ»úÎó¤òÊÖ¤¹¡£

ñ¸ì¤ÎÄêµÁ¤Ï¡¢¸½ºß¤Î¹½Ê¸¥Æ¡¼¥Ö¥ë¡ÊSee Syntax Class Table¡Ë¤Ë¤ª¤¤¤Æ ñ¸ì¹½À®Ê¸»ú¤ËʬÎव¤ì¤¿Ê¸»ú¤¬Ï¢Â³¤·¤¿Îó¤Ç¤¢¤ë¡£

(upcase-initials "The CAT in the hAt")
     ⇒ "The CAT In The HAt"

ʸ»úÎó¤òÈæ³Ó¤¹¤ë´Ø¿ô¤Ë¤Ä¤¤¤Æ¤Ï¡¢See Text Comparison¡£ ¤³¤ì¤é¤Ï¡¢Âçʸ»ú¾®Ê¸»ú¤ò¶èÊ̤·¤Ê¤¤¤â¤Î¤â¤¢¤ì¤Ð¡¢ ¾ì¹ç¤Ë¤è¤Ã¤ÆÂçʸ»ú¾®Ê¸»ú¤ò¶èÊ̤·¤Ê¤¤¤â¤Î¤â¤¢¤ë¡£