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Clean way to launch the web browser from shell script?
In a bash script, I need to launch the user web browser. There seems to be many ways of doing this:
6 Answers
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Display help message with python argparse when script is called without any arguments
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If you have arguments that must be specified for the script to run - use the required parameter for ArgumentParser as shown below:-
parser.add_argument('--foo', required=True)
parse_args() will report an error if the script is run without any arguments.
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Is there a version control system for database structure changes?
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In Ruby on Rails, there's a concept of a migration -- a quick script to change the database.
You generate a migration file, which has rules to increase the db version (such as adding a column) and rules to downgrade the version (such as removing a column). Each migration is numbered, a...
PHP page redirect [duplicate]
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Using a javascript as a failsafe will ensure the user is redirected (even if the headers have already been sent). Here you go:
// $url should be an absolute url
function redirect($url){
if (headers_sent()){
die('<script typ...
Redirect all output to file [duplicate]
... convenience extension (it originally comes from csh). In a portable shell script (and if you don't need portability, why are you writing a shell script?), use > file 2>&1 only.
– zwol
Aug 10 '13 at 20:50
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How do I load a file into the python console?
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From the man page:
-i When a script is passed as first argument or the -c option is used, enter interactive mode after executing the script or the command. It does not read the $PYTHONSTARTUP file. This can be useful to inspect global variables or a st...
How can I make git ignore future revisions to a file?
... think the solution is indeed to do something like this, preferably with a script executed whenever you pull or clone. One idea would be that anything with a particular extension (say .basefile) gets copied to a file with the extension dropped and then the file name gets added to .gitignore in that...
How to retrieve a module's path?
...nswers how to get the path of the module you import, but not of the module/script you are in (for the script you're running, __file__ is not a full path, it is relative). For the file I'm in I had to import another module from the same directory and do as shown here. Does anyone know a more convenie...
What does ON [PRIMARY] mean?
I'm creating an SQL setup script and I'm using someone else's script as an example. Here's an example of the script:
4 Ans...
How to manually create icns files using iconutil?
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Here's a script to convert a 1024x1024 png (named "Icon1024.png") to the required icns file. Save it to a filed called "CreateICNS.src" in the folder where your png file is then in terminal "cd" to the same folder and type "source Cre...