#!/bin/bash # int-or-string.sh # Á¤¼ö? ¹®ÀÚ¿? a=2334 # Á¤¼ö. let "a += 1" echo "a = $a " # ¿©ÀüÈ÷ Á¤¼öÁÒ. echo b=${a/23/BB} # ¹®ÀÚ¿·Î º¯È¯. echo "b = $b" # BB35 declare -i b # Á¤¼ö·Î ¼±¾ðÇصµ µµ¿òÀÌ µÇÁú ¾ÊÁÒ. echo "b = $b" # ¿©ÀüÈ÷ BB35. let "b += 1" # BB35 + 1 = echo "b = $b" # 1 echo c=BB34 echo "c = $c" # BB34 d=${c/BB/23} # Á¤¼ö·Î º¯È¯. echo "d = $d" # 2334 let "d += 1" # 2334 + 1 = echo "d = $d" # 2335 # Bash ÀÇ º¯¼ö´Â º»ÁúÀûÀ¸·Î ŸÀÔÀÌ ¾ø½À´Ï´Ù(untyped). exit 0