There are multiple ways to insert values in the array but most of them are manual ones. But, adding values manually is not always a good idea especially when one wants to add hundreds of elements in one array.
然后,调用read_file_into_array函数,将文件file.txt的内容读入到my_array数组中。最后,使用一个循环遍历数组,并打印每个元素。 这个函数在以下场景中非常有用: 当需要处理包含多行文本内容的文件时,可以使用这个函数将文件内容读取到数组中,以便进行进一步的处理和操作。 当需要对文件内容进行逐行处理时,可以使用这个...
1. Using “read” Command Thereadcommand inBash scriptingis a primary tool for reading an array with contents from user inputs or any external resources. With the-roption andwhile loop, it accesses the file contents and reads them into the specified array using the syntax,array+=($file_nam...
From Bash version 4, storing the contents in an array has become straightforward. Now you can easily read contents into the array. The readarray utility simply read lines from the standard input into the indexed array. It can also be read from thefile descriptorby making use of the -u fla...
shell 如何在Bash中将空格分隔的字符串读入数组？为了将字符串转换为数组，从字符串创建一个数组，让字符...
When both an array and a variable name are given, all words are assigned to the array. Conclusion The read command is used to split a line of input into words. If you have any questions or feedback, feel free to leave a comment. bash terminal Related Tutorials Bash Exit Command and ...
ELEMENTS=${#ARRAY[@]} # echo each element in array # for loop for (( i=0;i<$ELEMENTS;i++)); do echo ${ARRAY[${i}]} done 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 8.2. Read file into bash array #!/bin/bash
shell 如何在Bash中将空格分隔的字符串读入数组？为了将字符串转换为数组，从字符串创建一个数组，让字符...
在这一章中,我将介绍echo及其问题、printf的功能、read命令以及标准的输入和输出流。然而,我将从参数和变量的概述开始。 参数和变量 引用bash手册(在命令提示符下键入man bash以阅读它),“参数是存储值的实体。”有三种类型的参数:位置参数、特殊参数和变量。位置参数是命令行上出现的参数,它们由一个数字引用。特殊...
$ declare -a ARRAYNAMEread -a命令则是将用户的命令行输入,存入一个数组。$ read -a dice上面命令将用户的命令行输入,存入数组dice。读取数组读取单个元素读取数组指定位置的成员,要使用下面的语法。$ echo ${array[i]} # i 是索引上面语法里面的大括号是必不可少的,否则 Bash 会把索引部分[i]按照原样...