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2.·ë¹ç
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3.ÇÛÎó
¡¡£³. ÂåÆþŽ¤·ë¹çŽ¤ÇÛÎó¤Ë¤Ä¤¤¤ÆÀâÌÀ¤·¤Þ¤¹¡£
¡¡¿ôÃÍŽ¥Ê¸»úŽ¥ÊÑ¿ô¤ÎÂåÆþ¡¢Ê¸»úÎó±é»»¡¢Ê¸»úŽ¥ÊÑ¿ô¤Î·ë¹ç¡¢Ê¸»ú¤Î¿ôÃͱ黻¤ª¤è¤ÓÇÛÎóŽ¥Ï¢ÁÛÇÛÎ󤬤¢¤ê¤Þ¤¹¡£
¡¡1.ÂåÆþ
¡¦Â¾¤Î¸À¸ì¤Î¤è¤¦¤Ë¡¢½é´ü²½¤ÈÂåÆþ¤Î¶èÊ̤Ϥ¢¤ê¤Þ¤»¤ó¡£
¿ôÃͤÎÂåÆþ
$i = 10; $J = -4; $k = 5.2;
# 10 ¤òÂåÆþ # -4 ¤òÂåÆþ # 5.2 ¤òÂåÆþ
ʸ»ú¤ÎÂåÆþ
$x = 'ABC'; $y = "D E F"; $z = "½»¡¡½ê";
# ABC ¤òÂåÆþ # D E F ¤òÂåÆþ # ½»¡¡½ê ¤òÂåÆþ
ÊÑ¿ô¤ÎÂåÆþ
$p = $i; $z = "x = $k"; $z = "$x$y"; $a = "${x}kg";
# $i ¤ÎÆâÍƤòÂåÆþ # ÊÑ¿ô z ¤Ë x = 5.2 ¤òÂåÆþ # ÊÑ¿ô z ¤Ë ABCD E F ¤òÂåÆþ # 5.2kg ¤òÂåÆþ ¡Ð ¡Ñ¤ò¤Ä¤±¤ÆÊÑ¿ô̾¤È¶èÊÌ
¡¦Ê¸»úÎó±é»»
ʸ»úÎó±é»»
$a = "00005"; $a = $a + 0; $a = "123" x 3;
# 00005 ¤òÂåÆþ # $a ¤Ï 5 ¤Ë¤Ê¤ë(¥¼¥í¥µ¥×¥ì¥¹) # $a ¤Ï 123123123 ¤Ë¤Ê¤ë
¡¡2.·ë¹ç
¡¦Ê¸»úÎó¤Î·ë¹ç¤Ï¥Ô¥ê¥ª¥É¤ò»È¤¤¤Þ¤¹¡£
ʸ»úÎó¤Î·ë¹ç
$a = 'ABC'; $b = '123'; $c = $a . $b; $d .= 'X';
# ABC ¤òÂåÆþ # 123 ¤òÂåÆþ # £²¤Ä¤ÎÊÑ¿ô¤ò·ë¹ç¤·¤Æ¡¢ÊÑ¿ôc ¤ËÂåÆþ # $d = $d . 'X' ¤ÈƱ¤¸¡£
print $c . "\n"; print 'ABC' . 123 . "\n"; print 'ABC' . $c . "\n"; print $a.$b."\n";
# ABC123 ¤òɽ¼¨ # ABC123 ¤òɽ¼¨ # ABCABC123 ¤¬É½¼¨ # ABC123 ¤òɽ¼¨¡¢´Ö¤Ë¥Ö¥é¥ó¥¯¤Ê¤·¤Ç¤âOK
ÊÑ¿ô¤Î·ë¹ç
print "$a$b\n"; print "$a$b'456'\n";
# ABC123 ¤òɽ¼¨¡¢"" Æâ¤Ê¤éÊÑ¿ô¤òʤ٤ì¤ë # ABC123'456' ¤òɽ¼¨
¡¦Ê¸»ú¤Î¿ôÃͱ黻
¿ôÃͤȤ·¤Æ±é»»¤µ¤ì¤ë¤È¤
$a1="123" + 0; $a2=" 123" * 1; $a3="12.3abcd" * 1; $a4="abcd" * 1; $a5="abcd123" * 1; $a6="1abcd123" * 1; $a7=" 12" * 3;
# $a1¡¡¤Ï¡¡123¡¡ # $a2¡¡¤Ï¡¡123¡¡ÀèƬ¤Î¥Ö¥é¥ó¥¯¤Ï¥µ¥×¥ì¥¹ # $a3¡¡¤Ï¡¡123¡¡ # $a4¡¡¤Ï¡¡0¡¡¡¡»Ï¤Þ¤ë¿ôÃͤ¬¤Ê¤¤¤Î¤Ç # $a5¡¡¤Ï¡¡0¡¡¡¡»Ï¤Þ¤ë¿ôÃͤ¬¤Ê¤¤¤Î¤Ç # $a6¡¡¤Ï¡¡1¡¡¡¡ # $a7¡¡¤Ï¡¡36¡¡¡¡
¡¡3.ÇÛÎó
¡¦ÇÛÎóÊÑ¿ô¤ÎÇÛÎó̾¤ÏÊÑ¿ô̾¤Î̿̾µ¬Â§¤ÈƱ¤¸¤Ç¤¹¡£Åº»ú¤Ï 0 ¤«¤é»Ï¤Þ¤ê¤Þ¤¹¡£ÇÛÎó̾¤ÎÀèƬ¤Ë¤Ï@¤ò¤Ä¤±¤Þ¤¹¡£$a¤È@a¤ÏÃͤ¬°ã¤¤¤Þ¤¹¡£
ÇÛÎó¤ÎÂåÆþ
@a = (1,2,3,4,5); print "@a\n"; $a[2] = "dog"; $a[4] = 7; print "@a\n"; $i = @a; $j = $#a; print "$i - $j\n"; @b = (@a,@a);
# ÇÛÎó¤Î½é´üÀßÄê # 1 2 3 4 5 ¤òɽ¼¨ # 3 ÈÖÌܤò dog ¤Ë # 5 ÈÖÌܤò 7 ¤Ë # 1 2 dog 4 7 ¤òɽ¼¨ # $i=ÇÛÎóÍ×ÁÇ¿ô,$j=ºÇ¸å¤ÎÍ×ÁÇ°ÌÃÖ # 5 - 4 ¤òɽ¼¨¡£ # @b = (1,2,dog,4,7,1,2,dog,4,7);
Ʊ»þ¤ËÊ£¿ô¤ÎÍ×ÁǤò°·¤¦(¥¹¥é¥¤¥¹)
@a = (); @a[0..1] = ("xxx", "yyy", 100); @a = ("xxx", "yyy", 100);
# ÇÛÎó a ¤Î½é´ü²½ # Í×ÁÇ0¡Á2ÈÖÌÜ¤Ë xxx yyy 100¤òÂåÆþ # Ʊ¾å
¡¦Ï¢ÁÛÇÛÎó
¡¡"Jan"¤ËÂФ·¤Æ"01"¤¬"Oct"¤ËÂФ·¤Æ"10"¤È¤¤¤¦¤è¤¦¤Ë¥¡¼ (key:Í×ÁÇ̾) ¤ÈÃÍ (value:Í×ÁÇÃÍ) ¤¬ÂФˤʤäƵ²±(Ï¢ÁÛ)¤µ¤ì¤ëÇÛÎó¤Ç¤¹¡£
¡¡ÇÛÎóÁ´ÂΤò»²¾È¤¹¤ë¾ì¹ç¤ÏƬ¤Ë
%
¤òÉÕ¤±¡¤Í×ÁÇÃÍ (value) ¤Î»²¾È¤Ï aray { key } ¤Ç¤¹¡£
µ½Ò¡¡Îã
%m = ("Jan","01","Feb","02","Mar","03", "Apr","04","May","05","Jun","06", "Jul","07","Aug","08","Sep","09", "Oct","10","Nov","11","Dec","12"); $mon = $m{'Mar'};¡¡¡¡print "$mon\n";
# Ï¢ÁÛÇÛÎó¤ÎÂåÆþ # Mar ¤«¤éÏ¢ÁÛ¤µ¤ì¤ë03¤òɽ¼¨
µ½Ò¡¡Îã
%c{"iro"} = "RED"; %c{"kazu"} = 100; $c{"iro"} = "BLUE"; @a = %c; print "@a\n"; $key = "iro";¡¡¡¡$value = "BLUE"; $new{$key} = $value;
# %c=("iro","RED","kazu",100); # RED ¤¬ BLUE ¤ËÊѹ¹ # Ï¢ÁÛÇÛÎó c ¤òÇÛÎó a ÂåÆþ # iro BLUE kazu 100 ¤òɽ¼¨ # # $d{"iro"} = "BLUE"; ¤ÈƱ¤¸
ÇÛÎó¤òÊÑ¿ô¤Ë
($v1,$v2,$v3,$v4) = @a; ($v1,$v2,$v3,$v4) = %c;
# ÇÛÎó¤ò¤½¤ì¤¾¤ì¤ÎÊÑ¿ô¤Ë # Ï¢ÁÛÇÛÎó¤ò¤½¤ì¤¾¤ì¤ÎÊÑ¿ô¤Ë
¢¨ÇÛÎó¤Î½èÍý¤Ç¡¢ÊØÍø¤Ê´Ø¿ô¤¬¤¢¤ê¤Þ¤¹¡¢º¸¥Õ¥ì¡¼¥à¤Î´Ø¿ô¤ò»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£
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