[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...
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...
For instance, in the below example, the loop will repeat each item in the list of strings and variable element fixed to the current item. for element in Gold Silver Diamond Platinum do echo "Element: $element" Done Over a Number Range Similarly, to define a range of numbers, one can ...
Bash for Loop With a Number When working with numbers in the bash loop, you can use a span instead of specifying the items individually. To do so, add the range in curly braces separated with double dots: for i in {1..5} do echo "$i" done ...
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...
When not present, the for-loop will use the $@ variable and will iterate over each positional parameters, similar to for name in "$@". # For-loop syntax (foreach or range) for name [ [in [words …] ] ; ] do commands done # Examples [me@linux ~]$ for os in linux mac ...
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’ loop to iterate through each element in the array. The"${array[@]}"syntax is used to access all elements in the array. For each iteration, the current element’s value is stored in theivariable, which we then print out using theechocommand. This results in each item in the ...
continue [n] 復位到外層 for, while, until,或 select 循環的下一次開始。如果指定了 n, 復位到向外第 n 層循環的開 始。 n 必須≥ 1。如果 n 比外部循環的層數要多,將復位到最外層的循環 (``top-level'' loop,頂層循 環)。 返回值是 0,除非執行 continue 時,shell 不是在循環之中。 declare [...