#!/bin/bash # ¸Å°³º¯¼ö ġȯ ¿¬»êÀÚÀÎ # ## % %% ¸¦ ½á¼ ÆÐÅÏ ¸ÅĪÇϱâ. var1=abcd12345abc6789 pattern1=a*c # * (¿ÍÀϵå Ä«µå)´Â a ¿Í c »çÀÌÀÇ ¸ðµç ¹®ÀÚ¿Í ÀÏÄ¡ÇÕ´Ï´Ù. echo echo "var1 = $var1" # abcd12345abc6789 echo "var1 = ${var1}" # abcd12345abc6789 (´Ù¸¥ ÇüÅÂ) echo "${var1} ¿¡ µé¾î ÀÖ´Â ±ÛÀÚ¼ö = ${#var1}" echo "pattern1 = $pattern1" # a*c ('a'¿Í 'c' »çÀÌÀÇ ¸ðµç ¹®ÀÚ) echo echo '${var1#$pattern1} =' "${var1#$pattern1}" # d12345abc6789 # ¾Õ¿¡¼ºÎÅÍ °¡Àå ª°Ô ÀÏÄ¡ÇÏ´Â 3 ±ÛÀÚ¸¦ »èÁ¦ abcd12345abc6789 # ^^^^^^^^^^ |-| echo '${var1##$pattern1} =' "${var1##$pattern1}" # 6789 # ¾Õ¿¡¼ºÎÅÍ °¡Àå ±æ°Ô ÀÏÄ¡ÇÏ´Â 12 ±ÛÀÚ¸¦ »èÁ¦ abcd12345abc6789 # ^^^^^^^^^^ |----------| echo; echo pattern2=b*9 # 'b'¿Í '9' »çÀÌÀÇ ¸ðµç ¹®ÀÚ. echo "var1 = $var1" # abcd12345abc6789 ¸¦ °è¼Ó ¾¹´Ï´Ù. echo "pattern2 = $pattern2" echo echo '${var1%pattern2} =' "${var1%$pattern2}" # abcd12345a # µÚ¿¡¼ºÎÅÍ °¡Àå ª°Ô ÀÏÄ¡ÇÏ´Â 6 ±ÛÀÚ¸¦ »èÁ¦ abcd12345abc6789 # ^^^^^^^^^^ |----| echo '${var1%%pattern2} =' "${var1%%$pattern2}" # a # µÚ¿¡¼ºÎÅÍ °¡Àå ±æ°Ô ÀÏÄ¡ÇÏ´Â 12 ±ÛÀÚ¸¦ »èÁ¦ abcd12345abc6789 # ^^^^^^^^^^ |-------------| # ÀÌ·¸°Ô ¿Ü¿ì¼¼¿ä. # # °ú ## Àº ¹®ÀÚ¿ÀÇ ¾ÕÂÊ¿¡¼ºÎÅÍ µ¿ÀÛÀ» ÇÏ°í, # % ¿Í %% ´Â µÚÂÊ¿¡¼ºÎÅÍ µ¿ÀÛÀ» ÇÕ´Ï´Ù. echo exit 0