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probaoÌú³æ (³õÈëÎÄ̳)
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2016-01-24×ܽá
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λÖòÎÊý λÖòÎÊýÖ¸µÄÊÇShell½Å±¾µÄÃüÁîÐвÎÊý£¬Í¬Ê±Ò²±íʾÔÚShellº¯ÊýÄڵĺ¯Êý²ÎÊý¡£ echo first arg is $1 echo first arg is ${10} example test.sh #! /bin/bash if [ -n "$1" ] then echo "parameter #1 is $1" fi if [ -z "$1" ] then echo "error" fi $ test.sh '1' $ parameter #1 is 1 $ test.sh $ error $# ²ÎÊý×ÜÊý $* ½«ËùÓÐÃüÁîÐвÎÊýÊÓΪµ¥¸ö×Ö·û´®¡£µÈͬÓÚ"$1 $2 $3..." $@ ½«ËùÓÐÃüÁîÐвÎÊýÊÓΪµ¥¶ÀµÄ¸öÌå¡£µÈͬÓÚ"$1" "$2" "$3" ... example test.sh #! /bin/bash if [ -n "$1" ] then echo "parameter #1 is $1" echo "the number of parameter is $#" echo "parameters are $*" fi if [ -z "$1" ] then echo "error" fi $ test.sh '1' '2' $ parameter #1 is 1 $ the number of parameter is 2 $ parameters are 1 2 |
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