在这种方法中,带有 -d 选项的 readarray 命令用于拆分字符串数据。 '-d':这个选项作为一个 IFS 变量来定义分隔符。 示例1:按空格分割字符串 代码: #!/bin/bash#Read the main stringtext="Welcome to GeeksforGeeks"#Split the string by spacereadarray-d" "-t strarr<<<"$text"#Print each value ...
Method 1: Split string using read command in Bash Here’s my sample script for splitting the stringusing read command: #!/bin/bash # # Script to split a string based on the delimiter my_string="Ubuntu;Linux Mint;Debian;Arch;Fedora" IFS=';' read -ra my_array <<< "$my_string" #Pr...
Bash Split String into Array [5 Robust Methods] 5. Adding Additional Information (e.g., Time Remaining) Adding time estimates to your progress bar can make it more informative. Here's a Bash progress bar that also estimates the time remaining. bash #!/bin/bash start_time=$(date +%s) ...
Create array from string # split by spaces string="1 2 3 4 5" declare -a array=($string) # split by custom character string="1,2,3,4,5" delimiter="," declare -a array=($(echo $string | tr "$delimiter" " ")) Push items into array SRC=/home/usernamehere/Downloads/vidz/* ...
你把arrayids通过一个空格合并后的字符串构建转移到一个类型为string的新变量中。
declare -- array1="This is a sample line" declare -- array2="1 2 3 4 5" See, the array1 and array2 were returned as a string value. What if we want to get one element at a time rather than a complete array as a string? This is where the IFS variable comes into the picture...
Split to an array:IFS="$sep" read -rd '' -a array < <(printf '%s%s' "$string" "$sep") || true The 3 corner cases are tab, newline and space – when IFS is set to one of these as above, read drops empty fields! Because this is often useful though, this method makes the...
BASH_EXECUTION_STRING The command argument to the -c invocation option. BASH_LINENO An array variable whose members are the line numbers in source files corresponding to each member of FUNCNAME. ${BASH_LINENO[$i]} is the line number in the source file where ${FUNCNAME[$i]} was called ...
# 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 hostname ssh root@10.245.110.69 'hostname; whoami; date' ...
你把arrayids通过一个空格合并后的字符串构建转移到一个类型为string的新变量中。