#!/bin/bash paramStr="" for s in [email protected] do    paramStr=$paramStr$s done echo $paramStr #不輸入引數是執行指令碼將直接退出 psLength=${#paramStr}  [ $psLength == 0 ] && { echo "Parameters are missing!" ;exit 1; }  [ ";" == ${paramStr:psLength-1} ] &&  paramStr=${paramStr:0:psLength-1}  echo $paramStr #分別將引數值賦值給陣列vals[i] arr=(${paramStr//,/ }) vals=() i=1 for ar in ${arr[@]} do index=`expr index "$ar" =` vals[i]=${ar:index} i=$i+1 done #將陣列個數加1賦值給m let "m=${#vals[@]}+1"   #迴圈判斷第i個引數是否為空，為空即退出 for ((i=1;i<m;i++)) do if [ ! -n "${vals[i]}" ]; then     #這裡還可以改為  if [ -z "${vals[i]}" ]; then echo "The $i parameter are missing!" exit 1 fi done