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curl.md

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title category updated
Curl
CLI
2020-03-09

Options

Options

-o <file>    # --output: write to file
-u user:pass # --user: Authentication
-v           # --verbose
-vv          # Even more verbose
-s           # --silent: don't show progress meter or errors
-S           # --show-error: when used with --silent (-sS), show errors but no progress meter
-i           # --include: Include the HTTP-header in the output
-I           # --head: headers only

Request

-X POST          # --request
-L               # follow link if page redirects
-F               # --form: HTTP POST data for multipart/form-data

Data

-d 'data'    # --data: HTTP post data, URL encoded (eg, status="Hello")
-d @file     # --data via file
-G           # --get: send -d data via get

Headers

-A <str>         # --user-agent
-b name=val      # --cookie
-b FILE          # --cookie
-H "X-Foo: y"    # --header
--compressed     # use deflate/gzip

SSL

    --cacert <file>
    --capath <dir>
-E, --cert <cert>     # --cert: Client cert file
    --cert-type       # der/pem/eng
-k, --insecure        # for self-signed certs

Examples

{: .-one-column}

# Post data:
curl -d password=x http://x.com/y
# Auth/data:
curl -u user:pass -d status="Hello" http://twitter.com/statuses/update.xml
# multipart file upload
curl -v --include --form key1=value1 --form upload=@localfilename URL

# multipart form: send data from text field and upload file
curl -F person=anonymous -F secret=@file.txt http://example.com/submit.cgi
# Use Curl to Check if a remote resource is available
# details: https://matthewsetter.com/check-if-file-is-available-with-curl/
curl -o /dev/null --silent -Iw "%{http_code}" https://example.com/my.remote.tarball.gz