#!/bin/bash # str-test.sh: Testing null strings and unquoted strings, # but not strings and sealing wax, not to mention cabbages and kings... # (¿Å±äÀÌ: ??? :) # if [ ... ] ¸¦ ¾µ²²¿ä. # ¹®ÀÚ¿ÀÌ ÃʱâÈ ¾È µÆ´Ù¸é Á¤ÇØÁø °ªÀ» °®Áö ¾Ê´Âµ¥ #+ ÀÌ·± »óŸ¦ "³Î"(null)À̶ó°í ºÎ¸¨´Ï´Ù(0 °ú´Â ´Ù¸¨´Ï´Ù). if [ -n $string1 ] # $string1 Àº ¼±¾ðµµ Ãʱâȵµ ¾È µÆ½À´Ï´Ù. then echo "\"string1\" Àº ³ÎÀÌ ¾Æ´Õ´Ï´Ù." else echo "String \"string1\" Àº ³ÎÀÔ´Ï´Ù." fi # Ʋ·ÈÁÒ. # ÃʱâÈ°¡ ¾È µÆ´Âµ¥µµ ³ÎÀÌ ¾Æ´Ñ °ÍÀ¸·Î ³ª¿À³×¿ä. echo # ´Ù½Ã Çغ¸ÁÒ. if [ -n "$string1" ] # À̹ø¿£ $string1 À» Äõ¿ìÆ® ½ÃÄѼ Çغ¸ÁÒ. then echo "\"string1\" Àº ³ÎÀÌ ¾Æ´Õ´Ï´Ù." else echo "\"string1\" Àº ³ÎÀÔ´Ï´Ù." fi # Å×½ºÆ®¹®¿¡¼´Â ¹®ÀÚ¿À» ²À Äõ¿ìÆ® ½ÃÅ°¼¼¿ä! echo if [ $string1 ] # À̹ø¿£ ´Þ¶û $string1 ¸¸ µÎ°í Çغ¸ÁÒ. then echo "\"string1\" Àº ³ÎÀÌ ¾Æ´Õ´Ï´Ù." else echo "\"string1\" Àº ³ÎÀÔ´Ï´Ù." fi # ÀÌ°Ç Àß µÇ³×¿ä. # ¹®ÀÚ¿À» Äõ¿ìÆ® ½ÃÅ°´Â °Ô("$string1") ÁÁÀº ½À°üÀ̱ä ÇÏÁö¸¸ # [ ] Å×½ºÆ® ¿¬»êÀڴ ȥÀÚ ¾²ÀÌ¸é ¹®ÀÚ¿ÀÌ ³ÎÀÎÁö ¾Æ´ÑÁö¸¦ Àß ¾Ë¾Æ³À´Ï´Ù. # # Stephane Chazelas °¡ ÁöÀûÇÑ °Íó·³, # if [ $string 1 ] ´Â ÀÎÀÚ°¡ "]" Çϳª°í, # if [ "$string 1" ] ´Â ÀÎÀÚ°¡ ºó "$string1"°ú "]", µÎ °³ÀÔ´Ï´Ù. echo string1=initialized if [ $string1 ] # , $string1 À» ´Ù½Ã È¥ÀÚ ½áº¸ÁÒ. then echo "\"string1\" Àº ³ÎÀÌ ¾Æ´Õ´Ï´Ù." else echo "\"string1\" Àº ³ÎÀÔ´Ï´Ù." fi # ¿ª½Ã °á°ú°¡ ¸Â°Ô Àß ³ª¿ÀÁÒ. # ¸¶Âù°¡Áö·Î ÀÌÀ¯·Î Äõ¿ìÆ® ÇØÁÖ´Â °ÍÀÌ("$string1") ÁÁ½À´Ï´Ù. ¿Ö³ÄÇϸé... string1="a = b" if [ $string1 ] # $string1 À» ¶Ç È¥ÀÚ ¾¹´Ï´Ù. then echo "\"string1\" Àº ³ÎÀÌ ¾Æ´Õ´Ï´Ù." else echo "\"string1\" Àº ³ÎÀÔ´Ï´Ù." fi # ÀÌÁ¦ "$string1"À» Äõ¿ìÆ® ÇØ ÁÖÁö ¾ÊÀ¸¸é Ʋ¸° °á°ú°¡ ³ª¿É´Ï´Ù! exit 0 # Florian Wisser°¡ ³¯Ä«·Ó°Ô ÁöÀûÇØ ÁØ °Í¿¡µµ °¨»çÇÕ´Ï´Ù.