Shell 練習題 20180123
阿新 • • 發佈:2018-01-23
習題 echo host $0 post png localhost com inf
if [ $# != 1 ] then echo "Usage: $0 number" exit 1 else for((i=1;i<=$1;i++)) do for((j=$1;j>i;j--)) do echo -n " " done for k in `seq 1 $i` do echo -n "* " done echo done fi
[root@localhost ~]# sh 1.sh 5 * * * * * * * * * * * * * * * [root@localhost ~]# sh 1.sh 6 * * * * * * * * * * * * * * * * * * * * * [root@localhost ~]# sh 1.sh 7 * * * * * * * * * * * * * * * * * * * * * * * * * * * *
Shell 練習題 20180123