file-type | Detect the file type of a Buffer/Uint8Array/ArrayBuffer | Runtime Evironment library
kandi X-RAY | file-type Summary
kandi X-RAY | file-type Summary
Detect the file type of a Buffer/Uint8Array/ArrayBuffer. The file type is detected by checking the magic number of the buffer. This package is for detecting binary-based file formats, not text-based formats like .txt, .csv, .svg, etc. We accept contributions for commonly used modern file formats, not historical or obscure ones. Open an issue first for discussion.
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QUESTION
I am trying to write my log into different files depending on the logger name...
is it even possible?
how I can use the logger name in the target file name?
this is the XML file I use:
...ANSWER
Answered 2021-Jun-10 at 18:55You can't do it like that with the RollingFileAppender. The appender receives log events as configured by your block, if log4j sends it log events with different LoggerNames they will be appended to whatever file is open. A RollingFileAppender writes to one file at a time and rolls when the configured policy tells it to.
You could write to different files by setting up multiple Loggers that target different appenders. Like this:
QUESTION
I have found several methods to register a file type with my own application (double-clicking that file type in Windows Explorer looads that file in my application). Several are very old and seem to be deprecated, others are unclear and lack practical usage examples and thus are prone to misunderstandings.
@AndreasRejbrand has published an accepted solution here: How to associate a program with a file type, but only for the current user?
a) There is no complimentary way to UNREGISTER the file type.
b) It is not clear what'MyAppDataFile'
means.
c) There are no practical usage examples.The
DSiWin32
library contains the methodsDSiRegisterUserFileAssoc
andDSiUnregisterUserFileAssoc
:
a)procedure DSiRegisterUserFileAssoc(const extension, progID, description, defaultIcon, openCommand: string);
aa) It is not clear what theprogID
parameter means.
ab) It is not clear how to pass thedefaultIcon
parameter.
ac) It is not clear how to pass theopenCommand
parameter.
b)procedure DSiUnregisterUserFileAssoc(const progID: string);
ba) It is not clear what theprogID
parameter means and how to format it.
c) it would be nice to have a practical usage example.
BTW, this is the code from @AndreasRejbrand:
...ANSWER
Answered 2021-May-10 at 12:14It's not clear to me what the OP is actually asking, but in the comments there are a few requests for clarifications and I am not able to fit such explanations in comments, so instead I create a (possibly temporary) CW answer here.
Suppose you want all files with extension .stext
to be called Super Text File
in Explorer, be opened with C:\Program Files\Super Editor\superedit.exe
, and have the icon C:\Program Files\Super Editor\docicon.ico
, then you would use the following code:
QUESTION
Apache Camel SFTP implementation uses JSch. But JSCH supports only binary file transfer, as I understand from this link:
How to set file type and file transfer mode in JSch?
Then how does Camel SFTP support binary
as an URI parameter?
https://camel.apache.org/components/latest/sftp-component.html
Is my understanding wrong?
...ANSWER
Answered 2021-May-07 at 08:43The documentation is most likely false.
Both the
FtpEndpointConfigurer
and theSftpEndpointConfigurer
indeed propagate thebinary
parameter toFtpConfiguration.setBinary
andSftpConfiguration.setBinary
respectively. So in that sense, both support that parameter.But while
FtpOperations
queriesFtpConfiguration.isBinary
and setsFtpClient
mode accordingly:
QUESTION
I have a durable functions app for processing submitted items differently based on a FileName property. The Orchestrator function Resembles the below, though the below is a simplified example to illustrate my scenario.
basically, I am function chaining differently based on the extension of the FileName property in the user submitted data.
...ANSWER
Answered 2021-Apr-28 at 10:53Sub Orchestrations worked.
QUESTION
I've been looking at this for days now and am totally stuck. The page I am working with looks like this:
...ANSWER
Answered 2021-Apr-23 at 02:49perhaps you can use a click event:
QUESTION
Im trying to upload an image with vue-filepond in nuxt i setup filepond like this in my contact-form.vue :
...ANSWER
Answered 2021-Jan-21 at 16:50You cannot upload it locally aka http://localhost/upload
, since there is not server waiting for an upload at this endpoint. You need a service for this one and cannot just upload a file like this (to my knowledge). And even if it somehow works, you could not have it working on production since people will not have a localhost when visiting your website.
Looking on the Vue framework documentation page, you need to pass a server
prop. Then, you can pretty much configure it to your need or post it yourself when you have the files themselves thanks to this.$refs.pond.getFiles()
.
The API Server documentation is giving some example of configuration:
QUESTION
Regarding the documentation, it is possible to define the verbose output format of rsync by the --out-format
flag:
--out-format=FORMAT output updates using the specified FORMAT
--out-format=FORMAT This allows you to specify exactly what the rsync client outputs to the user on a per-update basis. The format is a text string containing embedded single-character escape sequences prefixed with a percent (%) character. A default format of lq%n%Lrq is assumed if -v is specified (which reports the name of the file and, if the item is a link, where it points). For a full list of the possible escape characters, see the lqlog formatrq setting in the rsyncd.conf manpage. Specifying the --out-format option will mention each file, dir, etc. that gets updated in a significant way (a transferred file, a recreated symlink/device, or a touched directory). In addition, if the itemize-changes escape (%i) is included in the string (e.g. if the --itemize-changes option was used), the logging of names increases to mention any item that is changed in any way (as long as the receiving side is at least 2.6.4). See the --itemize-changes option for a description of the output of lq%irq.
This means lq%n%Lrq
is the default.
In addition it says lq%irq
is explained in the --itemize-changes
part:
The lq%irq escape has a cryptic output that is 11 letters long. The general format is like the string YXcstpoguax, where Y is replaced by the type of update being done, X is replaced by the file-type, and the other letters represent attributes that may be output if they are being modified.
Ok, now I'm as clever as before ^^
What means lq
? And what means %irq
or YXcstpoguax
?
In this answer someone explains %t, %f and %b and I found those "variables" in the rsyncd.conf documentation, but while there is an example which contains lq
and rq
, it does not explain its meaning:
...The default log format is lq%o %h [%a] %m (%u) %f %lrq, and a lq%t [%p] rq
ANSWER
Answered 2021-Apr-03 at 22:07lq
is supposed to be a left quote, and rq
is supposed to be a right quote.
From Ubuntu 18.04.5 LTS:
--out-format=FORMAT
This allows you to specify exactly what the rsync client outputs to the user on a per-update basis. The format is a text string containing embedded single-character escape sequences prefixed with a percent (%) character. A default format of "%n%L" is assumed if either --info=name or -v is specified (this tells you just the name of the file and, if the item is a link, where it points). For a full list of the possible escape characters, see the "log format" setting in the rsyncd.conf manpage.
Specifying the --out-format option implies the --info=name option, which will mention each file, dir, etc. that gets updated in a significant way (a transferred file, a recreated symlink/device, or a touched directory). In addition, if the itemize-changes escape (%i) is included in the string (e.g. if the --itemize-changes option was used), the logging of names increases to mention any item that is changed in any way (as long as the receiving side is at least 2.6.4). See the --itemize-changes option for a description of the output of "%i".
Rsync will output the out-format string prior to a file’s transfer unless one of the transfer-statistic escapes is requested, in which case the logging is done at the end of the file’s transfer. When this late logging is in effect and --progress is also specified, rsync will also output the name of the file being transferred prior to its progress information (followed, of course, by the out-format output).
QUESTION
I'm attempting to use the "file-type" NPM module (which I have working on the server) client side to validate mime type prior to a file upload to an S3 bucket.
The readme for the module includes an example of using it in the browser:
...ANSWER
Answered 2021-Mar-28 at 23:50Finally got this working. In case anyone else is stuck on this, here's an explanation (apologies for the lack of brevity - probably this should be a blog post...).
To flesh out the use case a bit further, I'm using Uppy to allow users to upload files to an AWS S3 bucket. The way this works is that, when the user uploads a file, Uppy makes a call to my server where an AWS pre-signed URL is generated and passed back to the client. The client then uses that pre-signed URL to upload the file directly to the S3 bucket, bypassing the server, such that the file doesn't pass through the server at any point.
The problem I was attempting to solve was that files missing an extension ended up uploaded with the content / MIME type set as "application/octet", because it seems the browser, Uppy, and S3 all rely on the file extension to decide the file type (rather than parsing the so-called "magic bytes" of the file), and if the file extension is missing, AWS defaults to "application/octet". This causes issues when users attempt to open the file, as they are not handled correctly (i.e. a png file without an extension and with an "application/octet" content / MIME type opens a download dialog rather than being previewed, etc.). I also want to validate the MIME type / file type in cases even where the extension exists so that I can exclude certain types of files, and so the files get handled appropriately when they are later downloaded (where the MIME type will again be validated) if an incorrect file extension is used.
I use the "file-type" NPM module to determine the mimetype server side, and that's straight forward enough, but changing the file's content type / MIME type when generating the AWS pre-signed URL is not enough to fix the problem - it still gets uploaded as "application/octet". I wanted to use the same module client side so we get the exact same results on the client as on the server, and needed in any case to determine the MIME type and set it accordingly pre-upload but post-pre-signed URL. I had no idea how to do this (i.e. use "file-type" client side - the meat of my question).
I finally gave up on Webpack - nothing I tried worked. So I switched to Browserify, and the sample browser code at the "file-type" repository worked at once! So then I was left trying to figure out how to pass a function through Browserify to use in the client side code.
This proved impossible for me - I couldn't figure out how to pass the asynchronous IIFE through to my code. So instead, I moved my Uppy code into the code I pass to Browserify:
QUESTION
I want to find all files that ends with .jpg, .png or .jpeg. I write something like this:
...ANSWER
Answered 2021-Mar-14 at 10:10(defun get-picture-files (d &key
(extensions '("jpg" "png" "jpeg"))
(test #'string-equal))
(remove-if (lambda (p)
(not (member (pathname-type p)
extensions
:test test)))
(uiop:directory-files d)))
QUESTION
I am looking to create a pull request template in GitHub where Github is able to take the YAML front matter similar to Issue_templates and parse it into the correct fields. In Github docs under Supported file types => config.yml it claims to allow pull request template configuration.
GitHub Docs to Example below:
...ANSWER
Answered 2021-Mar-04 at 21:24Having tested this personally, it appears that GitHub doesn't parse YAML front matter for Pull Request templates at present. You can have a single default template pull_request_template.md
, and custom ones in PULL_REQUEST_TEMPLATE/
accessible with the GET query template=
. In both cases however, a front matter block will be displayed as part of the body, not parsed.
The documentation isn't very clear about this, but a config.yml
can only be used to configure the issue template chooser. At present, there is no pull request template chooser to configure.
You can submit a feature request for this using the contact support form, and selecting Pull requests and code review for the What part of GitHub is your feedback about? option. That is according to this answer on the community forum.
One way around this, in the meantime, might be to leave a message in your default (pull_request_template.md
), pointing to for example, your CONTRIBUTING.md
. Then, in that file, you could include links for each type of pull request with custom GET queries. For example, with PULL_REQUEST_TEMPLATE/custom.md
the link might be (url broken up for convenience):
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