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yq
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Length

Returns the lengths of the nodes. Length is defined according to the type of the node.

String length

returns length of string
Given a sample.yml file of:
a: cat
then
yq '.a | length' sample.yml
will output
3

null length

Given a sample.yml file of:
a: null
then
yq '.a | length' sample.yml
will output
0

Map length

returns number of entries
Given a sample.yml file of:
a: cat
c: dog
then
yq 'length' sample.yml
will output
2

Array length

returns number of elements
Given a sample.yml file of:
- 2
- 4
- 6
- 8
then
yq 'length' sample.yml
will output
4
Last modified 30d ago