Jq Usage: Difference between revisions
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The filter expects a map and produces the value associated with the key given as argument of the filter, or null if there is no such object. The value, if exists, can be a primitive, a map or an array. | The filter expects a map and produces the value associated with the key given as argument of the filter, or null if there is no such object. The value, if exists, can be a primitive, a map or an array. | ||
cat example.json | jq '.color' | |||
This syntax only works for "identifier-like" keys: keys that are all made of alphanumeric characters and underscore, and which do not start with a digit. | |||
If the key contains special characters, there's a different syntax <font color=darkgray>TODO</font>. | |||
=Array Filters= | =Array Filters= | ||
Revision as of 18:32, 1 March 2019
Internal
Command Line Options
-r
Output raw strings, not JSON content.
Universal Filters
Identity Filter .
Map Filters
Object Identifier-Index Filter .key
The filter expects a map and produces the value associated with the key given as argument of the filter, or null if there is no such object. The value, if exists, can be a primitive, a map or an array.
cat example.json | jq '.color'
This syntax only works for "identifier-like" keys: keys that are all made of alphanumeric characters and underscore, and which do not start with a digit.
If the key contains special characters, there's a different syntax TODO.