#!/bin/bash # ((...)) ¸¦ ½á¼ C ÇüÅ·Πº¯¼ö Á¶ÀÛÇϱâ. echo (( a = 23 )) # "=" ¾çÂÊ¿¡ ºó ÄÀ» µÎ¾î º¯¼ö ¼¼ÆÃÇϱâ, C ÇüÅÂ. echo "a (initial value) = $a" (( a++ )) # 'a'¸¦ ÈÄÀ§Áõ°¡, C ÇüÅÂ. echo "a (after a++) = $a" (( a-- )) # 'a'¸¦ ÈÄÀ§°¨¼Ò, C ÇüÅÂ. echo "a (after a--) = $a" (( ++a )) # 'a'¸¦ ÀüÀ§Áõ°¡, C ÇüÅÂ. echo "a (after ++a) = $a" (( --a )) # 'a'¸¦ ÀüÀ§°¨¼Ò, C ÇüÅÂ. echo "a (after --a) = $a" echo (( t = a<45?7:11 )) # C ÇüÅÂÀÇ 3Áß ¿¬»êÀÚ. echo "If a < 45, then t = 7, else t = 11." echo "t = $t " # µÇ³×¿ä! echo # ----------------------------- # À̽ºÅÍ ¿¡±×(Easter Egg) °æ°í! # ----------------------------- # Bash¿¡´Â ksh¿¡¼ ¸¹Àº ºÎºÐÀ» µû¿Â C ÇüÅÂÀÇ ¿¬»êÀÚ°¡ #+ ¹®¼ÈµÇÁö ¾ÊÀº ÇüÅ·Π¸¹ÀÌ Á¸ÀçÇÕ´Ï´Ù. # Bash ¹®¼¿¡¼´Â ((...)) ¸¦ ½© ¿¬»êÀ̶ó°í ÇÕ´Ï´Ù¸¸, #+ ±× ÀÌ»óÀÇ °ÍÀÌ Á¸ÀçÇÕ´Ï´Ù. # ºñ¹ÐÀ» ¹àÇô¼ ¹Ì¾ÈÇØ¿ä, Chet. # ((...)) ¸¦ ¾´ "for", "while" ·çÇÁµµ Âü°íÇϼ¼¿ä. # ÀÌ À̽ºÅÍ ¿¡±×µéÀº Bash ¹öÀü 2.04 ÀÌÈÄ¿¡¼¸¸ µ¿ÀÛÇÕ´Ï´Ù. exit 0