Add httpie cheatsheet

Converted from it's Readme: https://github.com/jkbrzt/httpie

cheat/cheatsheets/http

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+# Custom HTTP method HTTP headers and JSON data:
+http PUT example.org X-API-Token:123 name=John
+
+# Submitting forms:
+http -f POST example.org hello=World
+
+# See the request that is being sent using one of the output options:
+http -v example.org
+
+# Use Github API to post a comment on an issue with authentication:
+http -a USERNAME POST https://api.github.com/repos/jkbrzt/httpie/issues/83/comments body='HTTPie is awesome!'
+
+# Upload a file using redirected input:
+http example.org < file.json
+
+# Download a file and save it via redirected output:
+http example.org/file > file
+
+# Download a file wget style:
+http --download example.org/file
+
+# Use named sessions_ to make certain aspects or the communication
+# persistent between requests to the same host:
+# http --session=logged-in -a username:password httpbin.org/get API-Key:123
+http --session=logged-in httpbin.org/headers
+
+# Set a custom Host header to work around missing DNS records:
+http localhost:8000 Host:example.com
+
+# Simple JSON example:
+http PUT example.org name=John email=john@example.org
+
+# Non-string fields use the := separator, which allows you to embed raw
+# JSON into the resulting object. Text and raw JSON files can also be
+# embedded into fields using =@ and :=@:
+http PUT api.example.com/person/1 name=John age:=29 married:=false hobbies:='["http", "pies"]' description=@about-john.txt bookmarks:=@bookmarks.json
+
+# Send JSON data stored in a file:
+http POST api.example.com/person/1 < person.json
+
+# Regular Forms
+http --form POST api.example.org/person/1 name='John Smith' email=john@example.org cv=@~/Documents/cv.txt
+
+# File Upload Forms
+# If one or more file fields is present, the serialization and content
+# type is multipart/form-data:
+http -f POST example.com/jobs name='John Smith' cv@~/Documents/cv.pdf
+
+# To set custom headers you can use the Header:Value notation:
+http example.org  User-Agent:Bacon/1.0  'Cookie:valued-visitor=yes;foo=bar' X-Foo:Bar  Referer:http://httpie.org/
+
+# Basic auth:
+http -a username:password example.org
+
+# Digest auth:
+http --auth-type=digest -a username:password example.org
+
+# With password prompt:
+http -a username example.org
+
+# Authorization information from your ~/.netrc file is honored as well:
+cat ~/.netrc
+    machine httpbin.org
+    login httpie
+    # password test
+http httpbin.org/basic-auth/httpie/test
+
+# You can specify proxies to be used through the --proxy argument for each
+# protocol (which is included in the value in case of redirects across
+# protocols):
+http --proxy=http:http://10.10.1.10:3128 --proxy=https:https://10.10.1.10:1080 example.org
+
+# With Basic authentication:
+http --proxy=http:http://user:pass@10.10.1.10:3128 example.org
+
+# To skip the HOST'S SSL CERTIFICATE VERIFICATION, you can pass
+# --verify=no (default is yes):
+http --verify=no https://example.org
+
+# You can also use --verify=<CA_BUNDLE_PATH> to set a CUSTOM CA BUNDLE path:
+http --verify=/ssl/custom_ca_bundle https://example.org
+
+# To use a CLIENT SIDE CERTIFICATE for the SSL communication, you can pass
+# the path of the cert file with --cert:
+http --cert=client.pem https://example.org
+
+# If the PRIVATE KEY is not contained in the cert file you may pass the
+# path of the key file with --cert-key:
+http --cert=client.crt --cert-key=client.key https://example.org
+
+# You can control what should be printed via several options:
+  # --headers, -h   Only the response headers are printed.
+  # --body, -b      Only the response body is printed.
+  # --verbose, -v   Print the whole HTTP exchange (request and response).
+  # --print, -p     Selects parts of the HTTP exchange.
+http --verbose PUT httpbin.org/put hello=world
+
+# Print request and response headers:
+  # Character   Stands for
+  # ----------- -------------------
+  # H           Request headers.
+  # B           Request body.
+  # h           Response headers.
+  # b           Response body.
+http --print=Hh PUT httpbin.org/put hello=world
+
+# Let's say that there is an API that returns the whole resource when it
+# is updated, but you are only interested in the response headers to see
+# the status code after an update:
+http --headers PATCH example.org/Really-Huge-Resource name='New Name'
+
+# Redirect from a file:
+http PUT example.com/person/1 X-API-Token:123 < person.json
+
+# Or the output of another program:
+grep '401 Unauthorized' /var/log/httpd/error_log | http POST example.org/intruders
+
+# You can use echo for simple data:
+echo '{"name": "John"}' | http PATCH example.com/person/1 X-API-Token:123
+
+# You can even pipe web services together using HTTPie:
+http GET https://api.github.com/repos/jkbrzt/httpie | http POST httpbin.org/post
+
+# You can use cat to enter multiline data on the terminal:
+cat | http POST example.com
+    <paste>
+    # ^D
+cat | http POST example.com/todos Content-Type:text/plain
+    - buy milk
+    - call parents
+    ^D
+
+# On OS X, you can send the contents of the clipboard with pbpaste:
+pbpaste | http PUT example.com
+
+# Passing data through stdin cannot be combined with data fields specified
+# on the command line:
+echo 'data' | http POST example.org more=data   # This is invalid
+
+
+# AN ALTERNATIVE TO REDIRECTED stdin is specifying a filename (as
+# @/path/to/file) whose content is used as if it came from stdin.
+
+# It has the advantage that THE Content-Type HEADER IS AUTOMATICALLY SET
+# to the appropriate value based on the filename extension. For example,
+# the following request sends the verbatim contents of that XML file with
+# Content-Type: application/xml:
+http PUT httpbin.org/put @/data/file.xml
+
+# Download a file:
+http example.org/Movie.mov > Movie.mov
+
+# Download an image of Octocat, resize it using ImageMagick, upload it
+# elsewhere:
+http octodex.github.com/images/original.jpg | convert - -resize 25% -  | http example.org/Octocats
+
+# Force colorizing and formatting, and show both the request and the
+# response in less pager:
+http --pretty=all --verbose example.org | less -R
+
+# When enabled using the --download, -d flag, response headers are printed
+# to the terminal (stderr), and a progress bar is shown while the response
+# body is being saved to a file.
+http --download https://github.com/jkbrzt/httpie/tarball/master
+
+# You can also redirect the response body to another program while the
+# response headers and progress are still shown in the terminal:
+http -d https://github.com/jkbrzt/httpie/tarball/master |  tar zxf -
+
+# If --output, -o is specified, you can resume a partial download using
+# the --continue, -c option. This only works with servers that support
+# Range requests and 206 Partial Content responses. If the server doesn't
+# support that, the whole file will simply be downloaded:
+http -dco file.zip example.org/file
+
+# Prettified streamed response:
+http --stream -f -a YOUR-TWITTER-NAME https://stream.twitter.com/1/statuses/filter.json track='Justin Bieber'
+
+# Send each new tweet (JSON object) mentioning "Apple" to another
+# server as soon as it arrives from the Twitter streaming API:
+http --stream -f -a YOUR-TWITTER-NAME https://stream.twitter.com/1/statuses/filter.json track=Apple | while read tweet; do echo "$tweet" | http POST example.org/tweets ; done
+
+# Create a new session named user1 for example.org:
+http --session=user1 -a user1:password example.org X-Foo:Bar
+
+# Now you can refer to the session by its name, and the previously used
+# authorization and HTTP headers will automatically be set:
+http --session=user1 example.org
+
+# To create or reuse a different session, simple specify a different name:
+http --session=user2 -a user2:password example.org X-Bar:Foo
+
+# Instead of a name, you can also directly specify a path to a session
+# file. This allows for sessions to be re-used across multiple hosts:
+http --session=/tmp/session.json example.orghttp --session=/tmp/session.json admin.example.orghttp --session=~/.httpie/sessions/another.example.org/test.json example.orghttp --session-read-only=/tmp/session.json example.org