$ bash forloop1.sh Example 2 - for Loop With a Break Statement The break statement is used within the ‘for loop’ to end the loop. First, create a file and run the following code. For instance, we will use for loop to read the list of names, and we will test two conditions....
[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...
How to use a for loop in bash scripting? What are the basic syntax elements of a bash for loop? Can you provide an example of iterating through a list with a for loop in bash? This type of for loop is characterized by counting. The range is specified by a beginning (#1) and endin...
Imagine that you have a file that you want toscpto several servers. Remember that you can combine theforloop with other Bash features, such as shell expansion, which allows Bash to expand a list of items that are in a series. This can work for letters and numbers. For example: $echo{...
If you want to check the disk space is multiple Linux servers then you can use below bash for loop. In thisexample we are loopingthrough all the servers of Servers.list and checking the disk space of /opt/backup and /opt/log using df -h /opt/backup /opt/log command. ...
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...
For Loops Unlike most loops, theforloop does not test the condition of a variable each time it goes around the loop. Instead, it starts with a list of items to iterate through and works its way through them until it has reached the end. This makes it the most deterministic of the ...
to be aware of potential pitfalls when using ‘for’ loops as ‘foreach’ loops in Bash. For instance, if your list items contain spaces, the loop will treat each word as a separate item. To avoid this, you’ll need to use quotes or a different method to handle items with spaces. ...
How to do a foreach loop in bash? How to do a do-while loop in bash? How to create an infinite loop in bash? How to find if a number is odd or even in bash? How to iterate over a bash array? How to loop over each line of a file? How to iterate over a list of files?
Bash 的for复合命令 (compound command) 可以用于循环执行指定的语句。 该命令有两种不同的格式,查看 man bash 里面对 for 命令的说明,分别描述如下。 for name [ [ in [ word ... ] ] ; ] do list ; done for name [ [ in [ word ... ] ] ; ] do list ; done ...