I am using curl in a bash script to fetch the response of a service as below,
response=$(curl -isb -H "Accept: application/json" "http://host:8080/some/resource")
Service response is of json type and on browser I could perfectly fine response.
However curl response has other unwanted things (such as set-cookie, content-length header in this case) and sometimes the actual response is eaten up.
Here is the output of echo $response
>
Set-Cookie: rack.session=BAh7CEkiD3Nlc3Npb25faWQGOgZFVEkiRWJlY2JiOTE2M2Q1ZWI4NThjMDdi%0AYjRiOWRjMGMxMGEwYTBkMjE3NmJhZDVjYzY4YjY4ZTlmMTE2ZGVkYWE3MTMG%0AOwBGS
SIJY3NyZgY7AEZJIiVhZmQ2MmUyZGMxMzFmOGEwMjg3NDlhNWM3YmVm%0AN2FjNwY7AEZJIg10cmFja2luZwY7AEZ7B0kiFEhUVFBfVVNFUl9BR0VOVAY7%0AAFRJIi00MTc0OGM2MWNkMzljZTYxNzY3ZjU0
Y2I5OTdiYWRkN2MyNTBkYmU4%0ABjsARkkiGUhUVFBfQUNDRVBUX0xBTkdVQUdFBjsAVEkiLWRhMzlhM2VlNWU2%0AYjRiMGQzMjU1YmZlZjk1NjAxODkwYWZkODA3MDkGOwBG%0A--ee97a62095e7d42129
tontent-Length: 354c8; path=/; HttpOnly
This is breaking my response parsing logic.
I have seen this happening intermittently which is weird.
Is there a way to get "only" json response from curl output?
I went through the curl documentation but could not see any thing/ or I could have missed it.
Appreciate any help! Thx
#!/bin/bash
req=$(curl -s -X GET http://host:8080/some/resource -H "Accept: application/json") 2>&1
echo "${req}"
I was executing a get request an also want to see just the response and nothing else, seems like magic is done with -silent,-s option.
From the curl man page:
-s, --silent Silent or quiet mode. Don't show progress meter or error messages. Makes Curl mute. It will still output the data you ask for, potentially even to the terminal/stdout unless you redirect it.
Below the examples:
curl -s "http://host:8080/some/resource"
curl -silent "http://host:8080/some/resource"
Using custom headers
curl -s -H "Accept: application/json" "http://host:8080/some/resource")
Using POST method with a header
curl -s -X POST -H "Content-Type: application/json" "http://host:8080/some/resource") -d '{ "myBean": {"property": "value"}}'
You can also customize the output for specific values with -w, below the options I use to get just response codes of the curl:
curl -s -o /dev/null -w "%{http_code}" "http://host:8080/some/resource"
Source: Stackoverflow.com