#!/bin/bash echo # When is a variable "naked", i.e., lacking the '$' in front? # When it is being assigned, rather than referenced. # ÇÒ´çÇÒ ¶§ a=879 echo "\"a\" ÀÇ °ªÀº $a ÀÔ´Ï´Ù." # 'let'À¸·Î ÇÒ´çÇÒ ¶§ let a=16+5 echo "\"a\" ÀÇ °ªÀº ÀÌÁ¦ $a ÀÔ´Ï´Ù." echo # 'for' ·çÇÁ¿¡¼(½ÇÁ¦·Î´Â, ÀÏÁ¾ÀÇ ¼ÓÀÓ¼ö ÇÒ´ç) echo -n "·çÇÁ¿¡¼ \"a\" ÀÇ °ªÀº " for a in 7 8 9 11 do echo -n "$a ÀÔ´Ï´Ù." done echo echo # 'read' ¹®¿¡¼(¿ª½Ã ÀÏÁ¾ÀÇ ÇÒ´çÀÓ) echo -n "\"a\" ¸¦ ³ÖÀ¸¼¼¿ä." read a echo "\"a\" ÀÇ °ªÀº ÀÌÁ¦ $a ÀÔ´Ï´Ù." echo exit 0