Break jq query string into lines

Question

How can i break jq string into lines, this is for long lines, when i put "\" query breaks.

vpcExists=$(aws ec2 describe-vpcs --profile $profile | jq -r --arg vpcId "$vpcId" '.[][] | \
 select(.VpcId == $vpcId) \
| .["State"]' \
)

The newlines are shell specific features. Single quotes in bash will allow you to enter literal newlines fine... it's not jq specific. — Jeff Mercado
– Jeff Mercado, Commented Feb 9, 2018 at 19:40

that other guy · Accepted Answer · 2018-02-09 19:22:40Z

83

jq is fine with literal line breaks, so just add linefeeds anywhere without trying to escape them:

vpcExists=$(aws ec2 describe-vpcs --profile $profile |
    jq -r --arg vpcId "$vpcId" '
   .[][] 
     | select(.VpcId == $vpcId)
     | .["State"]' 
)

Here's a MCVE:

jq -r --arg vpcId "someId" '
   .[][] 
     | select(.VpcId == $vpcId)
     | .["State"]'  << 'EOF'


{ "Vpcs": [ {
            "VpcId": "someId",
            "InstanceTenancy": "default",
            "State": "available",
            "IsDefault": false
        } ] }
EOF

answered Feb 9, 2018 at 19:22

that other guy

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2 Comments

mbigras Over a year ago

MCVE is Stack Overflow jargon for Minimal, Complete, and Verifiable example. There's more details about that at stackoverflow.com/help/minimal-reproducible-example

Dmitry z Over a year ago

How to break up the query containing string interpolation?example: "(.foo)|(.bar)" Imagine that query is long and I would like to format it on mutiple lines

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