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I'm writing a Bash script to download image files from Snapito's web page snapshot API. The API can return a variety of responses indicated by different HTTP response codes and/or some custom headers. My script is intended to be run as an automated Cron job that pulls URLs from a MySQL database and saves the screenshots to local disk.
I am using curl. I'd like to do these 3 things using a single CURL command:
I could do this using multiple curl requests, but I want to minimize the number of times I hit Snapito's servers. Any curl experts out there?
Or if someone has a Bash script that can respond to the full documented set of Snapito API responses, that'd be awesome. Here's their API documentation.
Thanks!
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How to download a file with curl command. The basic syntax: Grab file with curl run: $ curl https://your-domain/file.pdf. Get file using ftp or sftp protocol: $ curl ftp://ftp-your-domain-name/file.tar.gz.
We can use curl -v or curl -verbose to display the request headers and response headers in the cURL command. The > lines are request headers . The < lines are response headers .
To download a file with Curl, use the --output or -o command-line option. This option allows you to save the downloaded file to a local drive under the specified name. If you want the uploaded file to be saved under the same name as in the URL, use the --remote-name or -O command line option.
To download you just need to use the basic curl command but add your username and password like this curl --user username:password -o filename. tar. gz ftp://domain.com/directory/filename.tar.gz . To upload you need to use both the –user option and the -T option as follows.
Use the dump headers option:
curl -D /tmp/headers.txt http://server.com
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