/bin/bash # 方法一:直接赋值 array1=("value1" "value2" "value3") # 方法二:使用索引赋值 array2[0]="value1" array2[1]="value2" array2[2]="value3" # 方法三:从字符串分割赋值 string="value4 value5 value6" array3=($string) # 方法四:使用read命令赋值 echo "Enter values separated...
1.使用谷歌的Joiner转换 public static String parseListToStr(List list){ String result = Joiner.on 4.7K20 全网最优质的Base64 编码和解码教程,附6个示例! [Base64 索引表] Bash base64 编码和解码 语法 base64 [参数] [输入文件] [输出文件] 参数:参数如下。 输入文件:可以从标准输入(如命...
progname=${0##*/} ## Get the name of the script without its path ## Default values verbose=0 filename= ## List of options the program will accept; ## those options that take arguments are followed by a colon optstring=f:v ## The loop calls getopts until there are no more options...
First and foremost, you need to differentiate the two types of arrays that can be used in bash. An indexed array is an array in which the keys (indexes) are ordered integers. You can think about it as an ordered list of items. Then, an associative array, a.k.a hash table, is an...
find /home -name .bashrc >list#正确 #>/dev/null 2>&1 将错误信息重定向到1 ;; 1>&2将正确信息重定向到2 (4)standard input <和<< 将原本由键盘输入的数据,改由文件内容来取代 #由于加入>在cat后,所以那个catfile会被主动的创建,文件内容即键盘输入;使用C+D结束;也可以用cat >>catfile进行键盘累...
route-delete 622 nmtui-connect 623 numfmt 624 nf-ct-add 625 nft 626 nl-class-delete 627 nl-link-list 628 nl-neigh-delete 629 nl-route-get 630 nmtui-edit 631 nf-ct-events 632 ngettext 633 nl-classid-lookup 634 nl-link-name2ifindex 635 nl-neigh-list 636 nl-route-list 637 nmtui-...
list_things_in_dir() 函数以目录名作为参数并在其上运行 find 命令。找到的每个项目都传递给 ls 命令进行显示。 总结 这是一个可以完成简单功能的简单脚本。它节省了时间,并且在使用大型文件系统时可能会非常有用。 脚本 #!/bin/bash # Script to list: # directories (if called "lsd") # files (if ca...
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? How to use numbers with leading zeros in a bash loop? How to iterate over ...
Also, we will see some examples with explanations to make the topic easier. Use Bubble Sort to Sort Array in Bash One of the simplest sorting algorithms is the bubble sort. Its basic idea is to repeatedly step through the list, compare adjacent elements, and swap them if they are in the...
runlevel ==> systemctl list-units –type target 获取默认运行级别: /etc/inittab ==> systemctl get-default 修改默认级别: /etc/inittab ==> systemctl set-default name.target 切换至emergency模式: systemctl emergency 其它常用命令: 关机:systemctl halt、systemctl poweroff ...