Good vs. Evil
- Thread starter Randomguy404
- Start date
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75 Yay derp!
(just kidding, 73)
(though I legit typed 75 there and almost posted it without proofreading)
(so derp)
(just kidding, 73)
(though I legit typed 75 there and almost posted it without proofreading)
(so derp)
72
Just use relative file paths. If you want to open a file called stuff.txt in the same directory as the jar or class file, wherever that may be, simply do new File("stuff.txt"). If you want to go into a directory inside the one where the jar is located, do new File("whateverDirectory/stuff.txt"). In addition, every directory has two special directories inside it, named . ('dot') and .. ('dot dot'). Dot is the current directory (in case you need to do something with the current directory, for whatever reason), and dot dot is the parent directory. So, if your installer puts the jar file in a directory called bin, and puts config files in a folder next to bin called config, you can get to config files with new File("../config/stuff.cfg").
This isn't limited to Java, by the way. You should always use relative file paths in all code everywhere, unless you want to access something in a completely different part of the file system (e.g. /bin/bash or /dev/null, or C:\\Program Files for you Windows newbs). If "/usr/duckfan/documents/code/java/some_project/config/derp.txt" shows up in your code, you're doing it wrong.
You mean so you can read to and write from files, if the jar/class file isn't on your hard drive in precisely the location where Eclipse puts it?
Just use relative file paths. If you want to open a file called stuff.txt in the same directory as the jar or class file, wherever that may be, simply do new File("stuff.txt"). If you want to go into a directory inside the one where the jar is located, do new File("whateverDirectory/stuff.txt"). In addition, every directory has two special directories inside it, named . ('dot') and .. ('dot dot'). Dot is the current directory (in case you need to do something with the current directory, for whatever reason), and dot dot is the parent directory. So, if your installer puts the jar file in a directory called bin, and puts config files in a folder next to bin called config, you can get to config files with new File("../config/stuff.cfg").
This isn't limited to Java, by the way. You should always use relative file paths in all code everywhere, unless you want to access something in a completely different part of the file system (e.g. /bin/bash or /dev/null, or C:\\Program Files for you Windows newbs). If "/usr/duckfan/documents/code/java/some_project/config/derp.txt" shows up in your code, you're doing it wrong.
71
This adding external libraries to the project, that are located in another location. The file is in the same place under everyone's user/username/ directory, but adding an external library will add relative to root, rather than relative to user.home
The file isn't in the same directory at all as the project, and the project isn't always in the same location to allow a relative path off of it to even work, if it was even possible. There isn't any path in the code itself.
This adding external libraries to the project, that are located in another location. The file is in the same place under everyone's user/username/ directory, but adding an external library will add relative to root, rather than relative to user.home
The file isn't in the same directory at all as the project, and the project isn't always in the same location to allow a relative path off of it to even work, if it was even possible. There isn't any path in the code itself.
Well, in Unix, the user's home directory is called ~ (tilde), which won't help you much on Windows.
Maybe whatever language you're using has a getHomeDirectory() sort of function?