Below is anexample Bash scriptwhich takes the stringsplitMeand returns items based on their position in the string split at the commas (,): #!/bin/bash # Define a comma-separated string splitMe='apple,banana,grape,kiwi' # Get the first item in the split string firstItem="$(echo $spli...
The part that split the string is here: IFS=';' read -ra my_array <<< "$my_string" Let me explain it to you. IFS determines the delimiter on which you want to split the string. In my case, it’s a semi colon. It could be anything you want like space, tab, comma or even ...
As the above output shows, we have one line of comma-separated values stored in the variable$INPUT. Sharp eyes may have noticed thatthe values contain spaces in the input string. Our goal is to parse the value of the$INPUTvariable in Bash. ...
To extract the last element of this string, the rev command is used to reverse the string. Then, the cut command splits the reversed string at the first comma (,) and selects the first field (-f 1). Finally, the rev command is used again to reverse the resulting string to obtain...
是指使用BASH脚本语言来比较和合并包含数据的.csv文件中的某一列。 BASH是一种常用的Unix/Linux操作系统的命令行解释器和脚本语言,它提供了丰富的命令和功能,可以用于处理文本文件、执行系统命令等。 在合并一列时,我们可以使用BASH脚本来读取和解析.csv文件,然后比较指定列的数据,并根据比较结果进行合并操作。以下是...
Bash can be configured to be POSIX- conformant by default. OPTIONS In addition to the single-character shell options documented in the description of the set builtin command, bash inter- prets the following options when it is invoked: -c string If the -c option is present, then commands ...
If bash is started with the -c option, then $0 is set to the first argument after the string to be executed, if one is present. Otherwise, it is set to the file name used to invoke bash, as given by argument zero. _ At shell startup, set to the absolute pathname used to invoke...
A double-quoted string preceded by a dollar sign (‘$’) will cause the string to be translated according to the current locale. If the current locale isCorPOSIX, the dollar sign is ignored. If the string is translated and replaced, the replacement is double-quoted. ...
BASH(1) General Commands Manual BASH(1) NAME bash - GNU Bourne-Again SHell SYNOPSIS bash [options] [command_string | file] COPYRIGHT Bash is Copyright
1 10137 10137 C G 1 10138 10138 T C 1 10139 10139 A T 1 10147 10147 C A 1 10150 10150 C T 1 10153 10153 A C,G 1 10159 10159 A C,G 1 10160 10160 C A 1 10163 10163 T C 1 10164 10164 A G,T 拆分成 1 10137 10137 C G 1 10138 10138 T C 1 10139 10139 A T 1 10147...