11、行shell程序 /~path/helloworld.sh 四 shell的条件控制语句1. ifelse 和 ifelif 语句 7if [Condition] then instruction1 else instruction2fi if[$Quantity–eq100] then echo “Theboxisfull.” else echo “Theboxisnotfull.” fi if [Condition1] the
12、n instruction1 elif [Condition2] then instruction2fi if[$Quantity–eq100] then echo “Theboxisfull.” elif[$Quantity–eq300] then echo “Theboxisnotfull.” fi 72. while语句while [condition] do ins
13、tructiondonedeclareraining=”1”while[“$raining” -eq “1”] do echo “stillraining.”done 3. case语句 case VariableNamein value1) instruction ;; Value2) instruction ;; ……. *) instructi