竹影风行
#!/bin/bash MIN_PARAMS=10 echo echo "The name of this script is \"`basename $0`\"." echo if [ -n "$1" ]; then echo "param #1 is $1" fi if [ -n "$2" ]; then echo "param #2 is $2" fi if [ -n "$3" ]; then echo "param #3 is $3" fi echo "______________________________" echo "All command-line params are : $*" echo '$0 =' "$0" echo '$# =' "$#" echo '$@ =' "$@" echo '$* =' "$*" if [ $# -lt $MIN_PARAMS ] then echo echo "this script need at least $MIN_PARAMS" fi exit 0 ________________________________________________________ 执行 $ /tmp/ts.sh 1 2 3 4 5 6 打印出来的结果 The name of this script is "ts.sh". param #1 is 1 param #2 is 2 param #3 is 3 ______________________________ All command-line params are : 1 2 3 4 5 6 $0 = /tmp/ts.sh $# = 6 $@ = 1 2 3 4 5 6 $* = 1 2 3 4 5 6 this script need at least 10
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