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How to capture curl output to a file?
You need to add quotation marks between “URL” -o “file_output” otherwise, curl doesn’t recognize the URL or the text file name. Just make sure to add quotation marks. Thanks for contributing an answer to Stack Overflow!
How can I use curl in real time?
If you are working on optimization and would like to see how much time does it take to download at a particular speed, you can:- Very handy if you are working on the DMZ server where you need to connect to the external world using a proxy. You can use curl by inserting a header with your data to test or troubleshoot the particular issue.
How to get the header and body of curl?
To get both (header and body), I usually perform a curl -D- as in: This will dump headers ( -D) to stdout ( -) (Look for –dump-header in man curl ). I often use jq to get that json data (eg from some rest APIs) formatted. But as jq doesn’t expect a HTTP header, the trick is to print headers to stderr using -D/dev/stderr.
What are the details of timing in curl?
The other timing details include DNS lookup, TCP connect, pre-transfer negotiations, redirects (in this case there were none), and of course the total time. The format file for this output provides a reasonable level of flexibility, for instance you could make it CSV formatted for easy parsing.
How to redirect the output of curl to stdout?
It is possible to use –stderr – as parameter, to redirect the output from stderr (default) to stdout. With this option you also should use –silent to suppress the progress bar. Thanks for contributing an answer to Unix & Linux Stack Exchange!
What to do with special characters in curl?
You can use ‘\\’ sign before your one special. If password has the special characters in it, just round the password with the single quote it will work. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Provide details and share your research! But avoid …
Can You grep the output of curl in Bash?
However, when piping the output via grep the result is not less information on the screen, but rather much more: