shell 在bash中将字符串拆分为数组简介 在这个函数的底部，你会发现一个函数，它可以将string转换为一个array，语法如下：使用awk：注意for循环中echo语句，如果删除选项-e，您将看到：这里有一种方法，当数据包含反斜杠序列、空格和其他字符时，它不会出错：由于以下注解，在示例文本中添加了一些内容：如果用AA =A或AA =A替换AA=A，则会中断\nA -另一个人
假设我们有一个 String 参数,我们想用逗号分割它 my_param="foo,bar,bash" 要用逗号分割这个字符串,我们可以使用; IFS=',' read -r -a array <<< "$my_param" 这里,IFS 是一个名为内部字段分隔符的特殊变量,它定义了用于将模式分离为某些操作的标记的字符。 要访问单个元素: echo "${array[0]}"...
Method 1: Split string using read command in Bash Here’s my sample script for splitting the stringusing read command: #!/bin/bash # # Script to split a string based on the delimiter my_string="Ubuntu;Linux Mint;Debian;Arch;Fedora" IFS=';' read -ra my_array <<< "$my_string" #Pr...
declare -a string_array=("Hello world!" "How are you?" "Nice to meet you!" "How do you do?" ) # Read the array values with space for str in "${string_array[@]}"; do echo $str done 如何SSH到另一台主机并在其上运行几个命令? #!/bin/bash # 先配置SSH的免密,之后执行此脚本 ...
# Using awk to split a string into an arrayecho"Bash Array Of Strings"|awk'{split($0,a," "); print a[2]}'# Output:# 'Array' Bash Copy In this example, we used awk to split a string into an array. Thesplitfunction in awk divides the string into an arrayausing space as the ...
在bash中,如果被转义,单引号可以包含在$'string'形式的单词中。此外,第二章对printf的描述中列出的转义序列被替换为它们所代表的字符: $ echo $'\'line1\'\n\'line2\'' 'line1' 'line2' 引用的参数可以包含文字换行符: $ sa "Argument containing `> a newline"` `:Argument containing` `a newli...
问改进bash中文件列与数组比较的性能EN版权声明：本文为耕耘实录原创文章，各大自媒体平台同步更新。欢迎...
Those exceptional cases where you actually intend to split the stringSplitting $string on the separator $sep into $array:Bad (indirect pathname expansion):IFS="$sep" array=($string) Good:array=() while read -rd "$sep" i; do array+=("$i") done < <(printf '%s%s' "$string" "$sep...
@TOC 在一系列数字上循环 替代 seq. # Loop from 0-100 (no variable support). for i in {0....
When no array variable name is provided to the mapfile command, the input will be stored into the $MAPFILE variable. Note that the mapfile command will split by default on newlines character but will preserve it in the array values, you can remove the trailing delimiter using the -t ...