platform-independent – Tarik Billa

Remove filename from a URL/Path in java

January 1, 2024 by Tarik

Consider using org.apache.commons.io.FilenameUtils You can extract the base path, file name, extensions etc with any flavor of file separator: String url = “C:\\windows\\system32\\cmd.exe”; String baseUrl = FilenameUtils.getPath(url); String myFile = FilenameUtils.getBaseName(url) + “.” + FilenameUtils.getExtension(url); System.out.println(baseUrl); System.out.println(myFile); Gives, windows\system32\ cmd.exe With url; String url = “C:/windows/system32/cmd.exe”; It would give; windows/system32/ cmd.exe

What is os.linesep for?

December 17, 2023 by Tarik

the docs explicitly say not to use it when writing to a file Not exactly. The doc says not to use it in text mode. The os.linesep is used when you want to iterate through the lines of a text file. The internal scanner recognises the os.linesep and replaces it by a single \n. For … Read more

Where is Boost.Process?

April 7, 2023 by Tarik

Boost.Process was accepted for inclusion into Boost on November 9, 2016; and has been included in the 1.64 released on April 19, 2017. Boost.Process is now an official Boost library! It’s documentation is available here: http://www.boost.org/doc/libs/1_64_0/doc/html/process.html For the record, the sources that were reviewed from October 27, 2016 through November 5, 2016 are available on … Read more

Platform independent size_t Format specifiers in c?

January 5, 2023 by Tarik

Yes: use the z length modifier: size_t size = sizeof(char); printf(“the size is %zu\n”, size); // decimal size_t (“u” for unsigned) printf(“the size is %zx\n”, size); // hex size_t The other length modifiers that are available are hh (for char), h (for short), l (for long), ll (for long long), j (for intmax_t), t (for … Read more

Play a Sound with Python [duplicate]

December 26, 2022 by Tarik

For Windows, you can use winsound. It’s built in import winsound winsound.PlaySound(‘sound.wav’, winsound.SND_FILENAME) You should be able to use ossaudiodev for linux: from wave import open as waveOpen from ossaudiodev import open as ossOpen s = waveOpen(‘tada.wav’,’rb’) (nc,sw,fr,nf,comptype, compname) = s.getparams( ) dsp = ossOpen(‘/dev/dsp’,’w’) try: from ossaudiodev import AFMT_S16_NE except ImportError: from sys import … Read more

File.separator vs FileSystem.getSeparator() vs System.getProperty(“file.separator”)?

November 29, 2022 by Tarik

System.getProperties() can be overridden by calls to System.setProperty(String key, String value) or with command line parameters -Dfile.separator=/ File.separator gets the separator for the default filesystem. FileSystems.getDefault() gets you the default filesystem. FileSystem.getSeparator() gets you the separator character for the filesystem. Note that as an instance method you can use this to pass different filesystems to … Read more

Node.js – Find home directory in platform agnostic way

October 2, 2022 by Tarik

As mentioned in a more recent answer, the preferred way is now simply: const homedir = require(‘os’).homedir(); [Original Answer] Why not use the USERPROFILE environment variable on win32? function getUserHome() { return process.env[(process.platform == ‘win32’) ? ‘USERPROFILE’ : ‘HOME’]; }