在bash shell中，break命令用于立即终止当前循环的执行。例如，以下是一个使用break命令的for循环示例：#break out of a for loopfor var in {1..9}do echo "The next number is $var" if [ $var -eq 5 ] then break fidone 在这个示例中，当变量var的值为5时，整个循环将被立即终止。【con...
In the example shared above, we stopped the while loop when the value of i was equal to 4.After executing the above Bash script, you will get an output like the one below:0 1 2 3 Number 4! We are going to stop here. We are stopped!!! Break Out of the for Loop in Bash...
Caution: As a best practice, you should always quote the bash variables when you are referring it. There are few exceptions to this best practice rule. This is one of them. If you double quote the variable in this for loop, the list of values will be treated as single value. Lot of ...
echo "out of for loop" CTRL+D /> . ./test7.sh score = math score = english score = physics score = chemist out of for loop /> cat > mylist#构造数据文件 tom patty ann jake CTRL+D /> cat > test8.sh #!/bin/sh for person in $(cat mylist)#for将循环读取cat mylist命令的执...
使用数值参数,break可以退出多个嵌套循环: for n in a b c d e do while true do if [ $RANDOM -gt 20000 ] then printf . break 2 ## break out of both while and for loops elif [ $RANDOM -lt 10000 ] then printf '"' break ## break out of the while loop fi done done echo 继续...
bash 中的条件语句，基础就是 Test 。 if 先来个实例： x=5; if [ $x = 5 ]; then e...
在Bash中,可以使用循环命令来重复执行一系列的命令。常见的循环命令有for循环、while循环和until循环。 对于if分支之外的循环命令,可以使用while循环或者until循环来实现。下面是它们的使用示例: while循环: 代码语言:txt 复制 while [ condition ] do # 循环执行的命令 done ...
loop is the “for” loop in any programming language. Bash programming came up with the “continue” and “break” statements. If you are using any Linux distribution and want to know about the use of the “continue” clause in the “for” loop, then this article is especially for you....
break ## break out of the while loop fi done done echo continue Inside a loop, the continue command immediately starts a new iteration of the loop, bypassing any remaining commands: for n in {1..9} do x=$RANDOM [ $x -le 20000 ] && continue echo "n=$n x=$x" ...
The script below demonstrates exiting from aforloop with thebreakkeyword. Theforloop is set to iterate if thexvariable’s value is less than or equal to themaxvariable’s value. However, there is atestcommand inside theforloop. Thetestcommand checks if the value of thexvariable is equal ...