[Bash] for loop The basic syntax of a for loop in Bash is: forvariableinlistdocommandsdone Examples Example 1: Iterating Over a List of Words #!/bin/zshforwordinapple banana cherrydoecho"The word is:$word"done Example 2: Iterating Over a Range of Numbers...
This type of for loop is characterized by counting. The range is specified by a beginning (#1) and ending number (#5). The for loop executes a sequence of commands for each member in a list of items. A representative example in BASH is as follows to display welcome message 5 times wit...
The range is specified by a beginning (#1) and ending number (#5). The for loop executes a sequence of commands for each member in a list of items. A representative example in BASH is as follows to display welcome message 5 times with for loop: 代码语言:txt AI代码解释 #!/bin/bash ...
Bash for Loop Standard Bash For Loop Over Strings Over a Number Range Over Array Elements Break and Continue for Loop Break Statement Continue Statement Examples of Bash for Loops In other words, Loops are easy and best to perform repetitive tasks. Its use is even more significant when workin...
When working with numbers in the bash loop, you can use a span instead of specifying the items individually. To do so, add the range in curly braces separated with double dots: for i in {1..5} do echo "$i" done In the example, the loop will echo all numbers from one to five....
在替换bash中嵌套的for循环时,可以使用更高效和简洁的方法来实现相同的功能。替代for循环的方法主要有两种:使用管道和使用循环构造。 1. 使用管道:在bash中,可以使用管道将多个命令连接起...
It is similar to a foreach statement in other languages and can be used to loop over a range of numbers or words. An example of a collection-controlled loop can be done using the Bash Brace Expansion. The [ in [ words …] ] is optional in Bash. When not present, the for-loop ...
The script uses a for loop to iterate over a range of numbers from 1 to 20. The loop variable 'i' represents each number in the range. Within the loop, an if statement checks if the current number ('i') is odd using the condition i % 2 != 0. ...
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 [ $RANDOM -lt 10000 ] then printf '"' break ## break out of the while loop fi done done echo 继续 在循环内部, continue命令通过传递任何剩余...
19 # 在for循环中20 echo -n "Values of \"a\" in the loop are: "21 for a in 7 8 9 1122 do23 echo -n "$a "24 done25 26 echo27 echo28 29 # 在read命令状态中30 echo -n "Enter \"a\" "31 read a32 echo "The value of \"a\" is now $a."...