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Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?
... @guns: Even if bash is installed on my box, it might not be executing the script (I might have /bin/sh symlinked to some dash-variant, as is standard on FreeBSD and Ubuntu). There's additional weirdness with Busybox, too: with standard compilation options nowadays, it parses [[ ]] but interprets it...
Check number of arguments passed to a Bash script
I would like my Bash script to print an error message if the required argument count is not met.
10 Answers
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How to check whether a script is running under Node.js?
I have a script I am requiring from a Node.js script, which I want to keep JavaScript engine independent.
20 Answers
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How do I use sudo to redirect output to a location I don't have permission to write to?
... the -c option:
sudo sh -c 'ls -hal /root/ > /root/test.out'
Create a script with your commands and run that script with sudo:
#!/bin/sh
ls -hal /root/ > /root/test.out
Run sudo ls.sh. See Steve Bennett's answer if you don't want to create a temporary file.
Launch a shell with sudo -s the...
Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...indows Explorer是一个典型的图形界面Shell。
shell脚本（shell script），是一种为shell编写的脚本程序。业界所说的shell通常都是指shell脚本，但读者朋友要知道，shell和shell script是两个不同的概念。由于习惯的原因，简洁起见，本文出...
jQuery remove all list items from an unordered list
...her error?
$('input').click(function() {
$('ul').empty()
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<ul>
<li>test</li>
<li>test</li>
</ul>
<input type="button" value="click me" ...
How to execute a Ruby script in Terminal?
...To call ruby file use : ruby your_program.rb
To execute your ruby file as script:
start your program with #!/usr/bin/env ruby
run that script using ./your_program.rb param
If you are not able to execute this script check permissions for file.
...
Can I run HTML files directly from GitHub, instead of just viewing their source?
...ave a .html file in a GitHub repository, e.g. for running a a set of JavaScript tests, is there any way I can view that page directly—thus running the tests?
...
Including a .js file within a .js file [duplicate]
...w element and attach that to <head>
var x = document.createElement('script');
x.src = 'http://example.com/test.js';
document.getElementsByTagName("head")[0].appendChild(x);
You may also use onload event to each script you attach, but please test it out, I am not so sure it works cross-brows...
Batch script to delete files
I have a batch script as follows.
5 Answers
5
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