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# GET resource with basic authentication
curl -u shaun:admin http://localhost/webservice/escenic/content/151

# For header -I, for vervosity -v
curl -I -v -u shaun:admin http://localhost/webservice/escenic/content/151

# Write response to a file
curl -u shaun:admin http://localhost/webservice/escenic/content/151 -o /tmp/out.xml

# Formatting xml
sudo apt install libxml2-utils
curl -u shaun:admin http://localhost/webservice/escenic/content/151 | xmllint --format -
# With headers, multiple headers needs to be in multiple -H option
curl -u shaun:admin -H 'Accept: application/xml' http://localhost/webservice/escenic/content/151

#PUT example
curl -X PUT -H 'Content-Type:application/atom+xml; type=entry' -H 'If-Match:*' -u shaun:admin http://localhost/remote/webservice/escenic/content/151 -d @post-151-with-permission.xml

# write formatted json to file
curl api.example.com | jq '.' > call.txt
#write formatted xml to file
curl api.example.com | xmllint --format --output formatted.xml -

# $ man xargs

# -P maxprocs
             Parallel mode: run at most maxprocs invocations of utility at once.
# -n number
             Set the maximum number of arguments taken from standard input for 
             each invocation of utility.  An invocation of utility will use less 
             than number standard input arguments if the number of bytes 
             accumulated (see the -s option) exceeds the specified size or there 
             are fewer than number arguments remaining for the last invocation of 
             utility.  The current default value for number is 5000.
# Send 200 request in parallel              
seq 1 200 | xargs -n1  -P10 curl -H "Authorization: Bearer eyJ0eXAiOkBKg" http://localhost/user/me