I tried to use CS12 but it only can show me the update BOM, please help. To check if a file contains UTF-8 BOM at header: # hexdump -n 3 -C 2.txt 00000000 ef bb bf ef bb bf // YES ===== ISO8859-1 is almost identical to -15 where -15 replaces one encoding with the Euro symbol and includes a few more french symbols. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under Is there any good reason why stripping the BOM is not the default behavior for the more obvious value of encoding? Should you need to perform advanced searches, bulk file or URL submissions or simply need a higher request throughput or daily allowance, there is a premium VirusTotal API that may suit your needs. There are several Encodings available, and problems come up, when you read a file using another Encoding than the one, which wrote the file: Very usual encode-mismatch: write with Utf8, then read with Ansi - most of you will recognize the typical 3 leading chars - this is how Ansi tries to display the ByteOrderMarks of Utf8 In the "Windows-world", there is a very common technique to ship information about the applied encoding together with the file itself, called "So an unsafe, heuristic way to guess the encoding is to check for BOM, and if there is none, assume Encoding.Ansi. Problem solved.+1 on @MarkRansom comment: does anybody have an idea why chardet doesn't do it automagically?

relies on the use of the signature to indicate that a file is in UTF-8. Each of you knows, to convert raw Bytes to readable Strings and vice-versa, you need a conversion-algorithm, namely an "Encoding". How do I remove the BOM from the string to prevent this?There is no reason to check if a BOM exists or not, BOM characters should be automatically stripped when decoding UTF-16, but not UTF-8, unless you explicitly use the I've composed a nifty BOM-based detector based on Chewie's answer.

Alternatively, it can be used as a fallback in case the encoding is otherwise lost.There are some disadvantages to using a BOM. In effect, this means that the BOM is, itself, the declaration that you have to add.The byte-order mark is also used for text labeled as UTF-32, and should not be used for text labeled as UTF-32BE or UTF-32LE. How exactly do I handle that?Nevermind, I was getting that because the console doesn't support that character. See the Encoding.GetPreamble method for more information. More importantly, unlike I find the other answers overly complex. Dear All, Is there any function that I can use to check the original BOM and the cost in the SAP? You will find that some editors (such as Notepad on Windows) will always add a BOM when you save a file with the UTF-8 encoding, others will offer you a choice.In HTML5 browsers are required to recognize the UTF-8 BOM and use it to detect the encoding of the page, and recent versions of major browsers handle the BOM as expected when used for UTF-8 encoded pages.The UTF-8 BOM offers reliable encoding detection, since it is extremely short and stable, works in XML and HTML, and works whether your page is read over the network or not (unlike HTTP declarations).

If the string begins with a BOM, the encoding can be extracted from the BOM.But there is a problem with UTF-16-BE and UTF-32-LE: UTF-32-LE BOM starts with the UTF-16-LE BOM..

I admit: This is (To learn about a real sophisticated way of guessing the encoding directly from the raw Bytes, refer to May be the main foot-trap is the suboptimal documentation of Would you now expect, that byte order mark detection is enabled, and the specified encoding may be ignored?This constructor initializes the encoding as specified by the encoding parameter, and the internal buffer to the default size. I mean, does anyone ever actually want to see the BOM in a string read from a text file?OK, I did this, and it appears to be working, but then Python is throwing a weird error complaining that \u2019 (right single quote) cannot be decoded using utf-8-sig.

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