Break and Continue for Loop While the primary purpose of the For Loop is to iterate, you want it to stop repeating and break the loop when a specific condition is met. For that matter, there are independent statements to break and continue the loop. In other words, the break and continue...
$ bash forloop1.sh Here, a text of 5 words is taken, so five lines of output are printed. Example-2: For loop with a break statement ‘break’ statement is used inside ‘for’ loop to terminate from the loop. Create a file named ‘forloop2.sh’ with the following code. ‘for’...
Bash “For” Loop Break You can implement a Bash “for” loop that breaks when a given condition is met. For instance, let’s say you want to loop through a list of files and only break when a given condition is met. The Bash “for” loop only breaks if the condition in the “if...
与任何其他编程语言一样,bash 也支持 break 语句退出当前循环,并支持 continue 语句恢复循环语句的下一次迭代。 Bash For 循环 – 第一种方法 当在进入 bash 循环之前知道迭代次数时,通常使用 for 循环。Bash 支持两种 for 循环。bash for 循环的第一种形式是: for varname in list do commands ##Body of th...
for day in Mon Tue Wed Thu Fri do echo "Weekday $((i++)) : $day" if [ $i -eq 3 ]; then break; fi done $ ./for6.sh Weekday 1 : Mon Weekday 2 : Tue 7. Continue from the top of the for loop Under certain conditions, you can ignore the rest of the commands in the...
How do I use bash for loop to repeat certain task under Linux / UNIX operating system? How do I set infinite loops using for statement? How do I use three-parameter for loop control expression? A 'for loop' is a bash programming language statement which allows code to be repeatedly execu...
(j循环主体,输出i*j的值(1...此时,i会+1成为2,符合外层for循环的判断条件,继续执行内层for循环主体,知道i的值大于9时离开嵌套循环。...循环的中断: break语句可强迫中断循环,当程序执行到break语句时,即会离开循环,继续执行循环外的下一个语句,如果break语句出现在嵌套循环中的内层循环,则break语句只会跳出...
Conditional Exit With abreakin theforLoop in Bash 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. ...
break else echo "$YEAR = not a leap year" fi done Break statement with for loop From the above output, you can seefor loopiterates, and when the first leap year 2012 is found,breakstatement is read and the loop is exited and control is given back to the terminal. ...
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...