Previous: Output Functions, Up: Read and Print   [Contents][Index]


18.6 ½ÐÎϤ˱ƶÁ¤¹¤ëÊÑ¿ô

Variable: standard-output

¤³¤ÎÊÑ¿ô¤ÎÃͤϥǥե©¥ë¥È¤Î½ÐÎÏ¥¹¥È¥ê¡¼¥à¡¢¤Ä¤Þ¤ê¡¢ °ú¿ôstream¤¬nil¤Î¾ì¹ç¤Ëɽ¼¨´Ø¿ô¤¬ÍѤ¤¤ë¥¹¥È¥ê¡¼¥à¡£

Variable: print-escape-newlines

¤³¤ÎÊÑ¿ô¤¬nil°Ê³°¤Ç¤¢¤ë¤È¡¢ ʸ»úÎóÆâ¤Î²þ¹Ôʸ»ú¤ò‘\n’¡¢¥Ú¡¼¥¸Á÷¤êʸ»ú¤ò‘\f’¤Èɽ¼¨¤¹¤ë¡£ Ä̾¤³¤ì¤é¤Îʸ»ú¤Ï¼ÂºÝ¤Î²þ¹Ô¤ä¥Ú¡¼¥¸Á÷¤ê¤È¤·¤ÆÉ½¼¨¤µ¤ì¤ë¡£

¤³¤ÎÊÑ¿ô¤Ï¡¢¥¯¥©¡¼¥ÈÉÕ¤­¤Çɽ¼¨¤¹¤ëɽ¼¨´Ø¿ôprin1¤ä print¤Ë±Æ¶Á¤òÍ¿¤¨¤ë¡£ princ¤Ë¤Ï±Æ¶Á¤·¤Ê¤¤¡£ prin1¤òÍѤ¤¤¿Îã¤ò¼¨¤¹¡£

(prin1 "a\nb")
     -| "a
     -| b"
     ⇒ "a
b"
(let ((print-escape-newlines t))
  (prin1 "a\nb"))
     -| "a\nb"
     ⇒ "a
b"

2ÈÖÌܤμ°¤Ç¤Ï¡¢prin1¤Î¸Æ¤Ó½Ð¤·Ãæ¤Ë¤Ï print-escape-newlines¤Î¥í¡¼¥«¥ë«Çû¤¬Í­¸ú¤Ç¤¢¤ë¤¬¡¢ ·ë²Ì¤òɽ¼¨¤¹¤ë¤È¤­¤Ë¤ÏÍ­¸ú¤Ç¤Ï¤Ê¤¤¡£

Variable: print-escape-nonascii

¤³¤ÎÊÑ¿ô¤¬nil°Ê³°¤Ç¤¢¤ë¤È¡¢ ¥¯¥©¡¼¥ÈÉÕ¤­¤Çɽ¼¨¤¹¤ë½ÐÎÏ´Ø¿ôprin1¤äprint¤Ï¡¢ ʸ»úÎóÆâ¤Î¥æ¥Ë¥Ð¥¤¥ÈÈóASCIIʸ»ú¤ò̵¾ò·ï¤Ç ¥Ð¥Ã¥¯¥¹¥é¥Ã¥·¥åÎó¤È¤·¤ÆÉ½¼¨¤¹¤ë¡£

¤³¤ì¤é¤Î´Ø¿ô¤Ï¡¢½ÐÎÏ¥¹¥È¥ê¡¼¥à¤¬¥Þ¥ë¥Á¥Ð¥¤¥È¥Ð¥Ã¥Õ¥¡¤ä ¥Þ¥ë¥Á¥Ð¥¤¥È¥Ð¥Ã¥Õ¥¡¤Î¥Þ¡¼¥¯°ÌÃ֤Ǥ¢¤ë¤È¡¢ ¤³¤ÎÊÑ¿ô¤ÎÃͤ˴ط¸¤Ê¤¯¥æ¥Ë¥Ð¥¤¥ÈÈóASCIIʸ»ú¤ËÂФ·¤Æ ¥Ð¥Ã¥¯¥¹¥é¥Ã¥·¥åÎó¤òÍѤ¤¤ë¡£

Variable: print-escape-multibyte

¤³¤ÎÊÑ¿ô¤¬nil°Ê³°¤Ç¤¢¤ë¤È¡¢ ¥¯¥©¡¼¥ÈÉÕ¤­¤Çɽ¼¨¤¹¤ëɽ¼¨´Ø¿ôprin1¤äprint¤Ï¡¢ ʸ»úÎóÆâ¤Î¥Þ¥ë¥Á¥Ð¥¤¥ÈÈóASCIIʸ»ú¤ò̵¾ò·ï¤Ç ¥Ð¥Ã¥¯¥¹¥é¥Ã¥·¥åÎó¤È¤·¤ÆÉ½¼¨¤¹¤ë¡£

¤³¤ì¤é¤Î´Ø¿ô¤Ï¡¢½ÐÎÏ¥¹¥È¥ê¡¼¥à¤¬¥æ¥Ë¥Ð¥¤¥È¥Ð¥Ã¥Õ¥¡¤ä ¥æ¥Ë¥Ð¥¤¥È¥Ð¥Ã¥Õ¥¡¤Î¥Þ¡¼¥¯°ÌÃ֤Ǥ¢¤ë¤È¡¢ ¤³¤ÎÊÑ¿ô¤ÎÃͤ˴ط¸¤Ê¤¯¥Þ¥ë¥Á¥Ð¥¤¥ÈÈóASCIIʸ»ú¤ËÂФ·¤Æ ¥Ð¥Ã¥¯¥¹¥é¥Ã¥·¥åÎó¤òÍѤ¤¤ë¡£

Variable: print-length

¤³¤ÎÊÑ¿ô¤ÎÃͤϡ¢Ç¤°Õ¤Î¥ê¥¹¥È¡¢¥Ù¥¯¥È¥ë¡¢¥Ö¡¼¥ë¥Ù¥¯¥È¥ë¤òɽ¼¨¤¹¤ë¤È¤­¤Î ºÇÂçÍ×ÁÇ¿ô¤Ç¤¢¤ë¡£ ɽ¼¨¤¹¤ë¥ª¥Ö¥¸¥§¥¯¥È¤¬¤³¤ì¤è¤ê¿¤¯¤ÎÍ×ÁǤò»ý¤Ä¤È¡¢ ¡Ö¡Ä¡×¤Ç¾Êά¤¹¤ë¡£

Ãͤ¬nil¡Ê¥Ç¥Õ¥©¥ë¥È¡Ë¤Ç¤¢¤ë¤È̵À©¸Â¡£

(setq print-length 2)
     ⇒ 2
(print '(1 2 3 4 5))
     -| (1 2 ...)
     ⇒ (1 2 ...)
Variable: print-level

¤³¤ÎÊÑ¿ô¤ÎÃͤϡ¢É½¼¨¤¹¤ë¤È¤­¤Î³ç¸Ì¤ä³Ñ³ç¸Ì¤ÎÆþ¤ì»Ò¤ÎºÇÂç¤Î¿¼¤µ¡£ ¤³¤ÎÀ©¸Â¤ò±Û¤¨¤ëǤ°Õ¤Î¥ê¥¹¥È¤ä¥Ù¥¯¥È¥ë¤Ï¡Ö¡Ä¡×¤Ç¾Êά¤¹¤ë¡£ Ãͤ¬nil¡Ê¥Ç¥Õ¥©¥ë¥È¡Ë¤Ç¤¢¤ë¤È̵À©¸Â¡£