num

来自「《PC数据采集》源代码」· 代码 · 共 9 行

#!/bin/sh
num=0			 # Initialize num
while  [ $num -lt 10 ]	          # Test num with test command 
do 
    echo  -n $num
    num=`expr  $num + 1`	        # Increment num 
done
echo "\nAfter loop exits, continue running here"