我有一个简单的bash脚本，它使用inotifywait命令，并基于所做的修改，运行rsync命令。这是在无限循环中完成的。 脚本是在“screen”会话中运行的，但不幸的是，它有时会崩溃（至于原因没有错误）。 我一直在寻找一种方法来“监视”特定的屏幕/脚本，并在它崩溃时重新启动它，但我正在努力寻找解决方案。 脚本运行“screen-AmdS脚本”/脚本.sh". 脚本示例： #!/usr/bin/bash while inotifywait --exclude "(.log)" -r -e modify,...

This question already has answers here: How do I use sed to change my configuration files, with flexible keys and values? ...

假设有一个简单的shell脚本，在从std输入（即键盘）读取两个数字num1和num2之后将它们相加。如何让脚本从已经存储了两个数字的文件中获取输入？

我想编写一个shell脚本（bash），以便执行以下操作： The script is supposed to print all arguments passed when executing, that are (uneven **AND** greater than 66) **OR** (uneven **AND** less or equal than 88). 我写了以下几行代码，希望它能像预期的那样工作： #!/bin/bash param="$@" for value in $param...

我编写了一个脚本，可以压缩一个文件夹，然后再存储另一个文件夹。到目前为止，这是伟大的工作。但现在我想用scp发送。我想用eval，这样我可以很容易地改变他们。但是当我用它将文件发送到某个目标时，它总是告诉我目录或文件不存在。如果我不使用$scriptd，那么它就像一个魔咒。 知道为什么吗？ #!/bin/bash # Implementation of variables today=$(date +"%Y-%m-%d") source="~/Documents";...

Closed. This question needs details or clarity. It is not currently accepting answers. ...

This question already has answers here: How to generate a random decimal number from 0 to 3 with bash? ...

So I am making a bash script with selection menu using dialog and I wanted to remove this cancel option which does nothing here. Any way to do that? The script: #!/usr/bin/env bash # Dialog Dimensions: HEIGHT=15 WIDTH=55 CHOICE_HEIGHT=10 # Options: OPTION...

This question already has answers here: Count unique values in a bash array ...

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. ...

我想找到文件中以特定字符串开头的所有行。问题是，我事先不知道字符串里有什么。值存储在变量中。 天真的解决办法如下： grep "^${my_string}" file.txt; Because if the Bash variable my_string contains ANY regular expression special characters, grep will cry, and everyone will have a bad day. You don't want to make gre...

This question already has answers here: Split a string only by spaces that are outside quotes ...

This question already has answers here: [[: Command not found (4 answers) ...

我正在尝试为awss3派生签名版本为4的签名密钥。 猛击 kSecret=$(printf "AWS4$1" | xxd -p -c 256) kDate=$(printf "$2" | openssl dgst -binary -sha256 -mac HMAC -macopt hexkey:$kSecret | xxd -p -c 256) kRegion=$(printf "$3" | openssl dgst -binary -sha256 -mac HMAC -macopt hexke...

我使用这个curl命令下载安装程序.exe: curl -k -u login:Password -O "https://url/to/my/setup.exe" 我想得到总时间： curl -s -w 'total : %{time_total}\n' -k -u login:Password -O "https://url/to/my/setup.exe" total : 41.165108 我想重定向外部文件中的输出（总计：41.165108）。我试着： curl -o test.txt -s -...

我正在尝试运行hadoop。我尝试了以下步骤-bash:export:`hadoop\u OPTS-Djava.library.path=/home/hdoop/hadoop-3.2.1/lib/nativ”：不是有效的标识符 遵循以下步骤。。 https://phoenixnap.com/kb/install-hadoop-ubuntu on running source ~/.bashrc getting following error

I'm substituting some string with this "bash" script where I use awk features. Can I somehow save the changes to a file in the END statement? or is this not how things are done with awk. Or would you recommend using a combination of grep and sed instead? ...

Closed. This question needs details or clarity. It is not currently accepting answers. ...

Closed. This question needs debugging details. It is not currently accepting answers. ...

I am learning bash since 6 days I think I got some of the basics. Anyway, for the wallpapers downloaded from Variety I've written two scripts. One of them moves downloaded photos older than 12 days to a folder and renames them all as "Aday 1,2,3..." and th...