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Forum Discussion
check download file
If I get a link for dropbox and I use the 'wget' to download it.
How to check it if download successfully?
alicera In addition to the method Здравко helpfully provided, you could use the /2/sharing/get_shared_link_metadata Dropbox API endpoint to retrieve the metadata for a shared link, or an error if the shared link is invalid.
Greg-DB
Dropbox Staff
Dropbox StaffYou can check the HTTP status code of the response to see what the result is. For example, a 200 indicates success.
wget -nc dropbox_url
It will download other file.
- Greg-DB
I'm not sure I understand your latest message. Do you have a question a I can help with?
Hi alicera,
For any kind of error that might come up on command line, you can check the retrieved result. For most commands (including 'wget'), success is denoted by zero. Any different exit status means that something happens considered as a error. File not found (HTTP status 404) gets transformed to server issued an error response - exit status 8, for example.
alicera wrote:wget -nc dropbox_url
It will download other file.
No, no another file will get downloaded, while 'dropbox_url' keeps the same. Keep in mind that in such a case existing file is NOT considered error! That's why you're getting success and probably got confused. 🙂 To force existing file consideration as an error, you can use something like:
wget -nc -O filename.ext dropbox_url
Where 'filename.ext' is the desirable file name (possibly path prepended). Now (after explicit destination pointing) a try downloading already existing file (probably downloaded before) will result in general error (exit status 1, no more 0), which you can check. 😉
Hope this helps.
https://unix.stackexchange.com/questions/474805/verify-if-a-url-exists
I use the method and give error dropbox link,
it is return link exist
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